SMAW-C21 Weld Card

Enable Design Services Inc.461 North Service Road WestSuite B34, Oakville, ON, CAOffice: (647) 250-7377info@enable-inc.com | www.enable-inc.com

WELD CARD

Procedure

SMAW-C21

Rev. / date

0 / —

Ref. WPS

WPS-SMAW

Status

SAMPLE

Process

SMAW
Manual

Joint

CJP single V with steel backing

Standards

CSA W47.1 / CSA W59

Prepared for

Sample: issued under your company name

6 mm (1/4") · CJP

Flat (F)

Scan for current rev

1 Fit-up check with gauge before welding

Joint type: Butt · Corner
Base metal: CSA G40.21 Gr. 300W / 350W; ASTM A36; ASTM A572 Gr. 50; ASTM A992
Thickness T: 6 mm
Root opening G: 6 mm +6 / −2
Bevel θ: 45° +10 / −5 from vertical
Backing: Steel, same group as base metal, ≥ 6 mm, tight fit
Backgouge: No

2 Pass sequence 5 passes

RootCapFusion line

Penetration: Complete (CJP)
Passes: 5 passes · 2 layers

3Before you strike an arc

Preheat (min)None requiredCSA W59-18 Table 5.3 col. 3 · t = 6 mmSteel below 0 °C: preheat to 10 °C

Interpass max250 °C

ElectrodeE4918 H4 · 3.2 mmAWS A5.1 (per CSA W48:23)

PolarityDCEP

Rod handlingLow-hydrogenHold in oven at ≥ 120 °C. Recondition if out more than 4 h. Re-dry only once; discard wet rods.

Clean: Grind / wire wheel weld area + 25 mm each side to bright metal; remove mill scale, rust, paint, oil and moisture. Remove slag and spatter between passes.

4Pass by pass

Pass	Layer	Role	Amps	Volts	Travel mm/min	HI kJ/mm	Technique
1	1	Root	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer. Fuse into the root and both walls.
2	1	Root	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer. Fuse into the root and both walls.
3	2	Cap	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.
4	2	Cap	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.
5	2	Cap	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.

6 mm (1/4") · CJP

Vertical up (V)

Scan for current rev

1 Fit-up check with gauge before welding

Joint type: Butt · Corner
Base metal: CSA G40.21 Gr. 300W / 350W; ASTM A36; ASTM A572 Gr. 50; ASTM A992
Thickness T: 6 mm
Root opening G: 6 mm +6 / −2
Bevel θ: 45° +10 / −5 from vertical
Backing: Steel, same group as base metal, ≥ 6 mm, tight fit
Backgouge: No

2 Pass sequence 5 passes

RootCapFusion line

Penetration: Complete (CJP)
Passes: 5 passes · 2 layers

3Before you strike an arc

Preheat (min)None requiredCSA W59-18 Table 5.3 col. 3 · t = 6 mmSteel below 0 °C: preheat to 10 °C

Interpass max250 °C

ElectrodeE4918 H4 · 3.2 mmAWS A5.1 (per CSA W48:23)

PolarityDCEP

Rod handlingLow-hydrogenHold in oven at ≥ 120 °C. Recondition if out more than 4 h. Re-dry only once; discard wet rods.

Clean: Grind / wire wheel weld area + 25 mm each side to bright metal; remove mill scale, rust, paint, oil and moisture. Remove slag and spatter between passes.

4Pass by pass

Pass	Layer	Role	Amps	Volts	Travel mm/min	HI kJ/mm	Technique
1	1	Root	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer. Fuse into the root and both walls.
2	1	Root	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer. Fuse into the root and both walls.
3	2	Cap	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.
4	2	Cap	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.
5	2	Cap	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.

6 mm (1/4") · CJP

Overhead (O)

Scan for current rev

1 Fit-up check with gauge before welding

Joint type: Butt · Corner
Base metal: CSA G40.21 Gr. 300W / 350W; ASTM A36; ASTM A572 Gr. 50; ASTM A992
Thickness T: 6 mm
Root opening G: 6 mm +6 / −2
Bevel θ: 45° +10 / −5 from vertical
Backing: Steel, same group as base metal, ≥ 6 mm, tight fit
Backgouge: No

2 Pass sequence 5 passes

RootCapFusion line

Penetration: Complete (CJP)
Passes: 5 passes · 2 layers

3Before you strike an arc

Preheat (min)None requiredCSA W59-18 Table 5.3 col. 3 · t = 6 mmSteel below 0 °C: preheat to 10 °C

Interpass max250 °C

ElectrodeE4918 H4 · 3.2 mmAWS A5.1 (per CSA W48:23)

PolarityDCEP

Rod handlingLow-hydrogenHold in oven at ≥ 120 °C. Recondition if out more than 4 h. Re-dry only once; discard wet rods.

Clean: Grind / wire wheel weld area + 25 mm each side to bright metal; remove mill scale, rust, paint, oil and moisture. Remove slag and spatter between passes.

4Pass by pass

Pass	Layer	Role	Amps	Volts	Travel mm/min	HI kJ/mm	Technique
1	1	Root	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer. Fuse into the root and both walls.
2	1	Root	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer. Fuse into the root and both walls.
3	2	Cap	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.
4	2	Cap	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.
5	2	Cap	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.

10 mm (3/8") · CJP

Flat (F)

Scan for current rev

1 Fit-up check with gauge before welding

Joint type: Butt · Corner
Base metal: CSA G40.21 Gr. 300W / 350W; ASTM A36; ASTM A572 Gr. 50; ASTM A992
Thickness T: 10 mm
Root opening G: 6 mm +6 / −2
Bevel θ: 45° +10 / −5 from vertical
Backing: Steel, same group as base metal, ≥ 6 mm, tight fit
Backgouge: No

2 Pass sequence 7 passes

RootFillCapFusion line

Penetration: Complete (CJP)
Passes: 7 passes · 3 layers

3Before you strike an arc

Preheat (min)None requiredCSA W59-18 Table 5.3 col. 3 · t = 10 mmSteel below 0 °C: preheat to 10 °C

Interpass max250 °C

ElectrodeE4918 H4 · 3.2 mmAWS A5.1 (per CSA W48:23)

PolarityDCEP

Rod handlingLow-hydrogenHold in oven at ≥ 120 °C. Recondition if out more than 4 h. Re-dry only once; discard wet rods.

Clean: Grind / wire wheel weld area + 25 mm each side to bright metal; remove mill scale, rust, paint, oil and moisture. Remove slag and spatter between passes.

4Pass by pass

Pass	Layer	Role	Amps	Volts	Travel mm/min	HI kJ/mm	Technique
1	1	Root	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer. Fuse into the root and both walls.
2	1	Root	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer. Fuse into the root and both walls.
3	2	Fill	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer. Tie into wall, no cold lap.
4	2	Fill	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer. Tie into wall, no cold lap.
5	3	Cap	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.
6	3	Cap	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.
7	3	Cap	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.

10 mm (3/8") · CJP

Vertical up (V)

Scan for current rev

1 Fit-up check with gauge before welding

Joint type: Butt · Corner
Base metal: CSA G40.21 Gr. 300W / 350W; ASTM A36; ASTM A572 Gr. 50; ASTM A992
Thickness T: 10 mm
Root opening G: 6 mm +6 / −2
Bevel θ: 45° +10 / −5 from vertical
Backing: Steel, same group as base metal, ≥ 6 mm, tight fit
Backgouge: No

2 Pass sequence 7 passes

RootFillCapFusion line

Penetration: Complete (CJP)
Passes: 7 passes · 3 layers

3Before you strike an arc

Preheat (min)None requiredCSA W59-18 Table 5.3 col. 3 · t = 10 mmSteel below 0 °C: preheat to 10 °C

Interpass max250 °C

ElectrodeE4918 H4 · 3.2 mmAWS A5.1 (per CSA W48:23)

PolarityDCEP

Rod handlingLow-hydrogenHold in oven at ≥ 120 °C. Recondition if out more than 4 h. Re-dry only once; discard wet rods.

Clean: Grind / wire wheel weld area + 25 mm each side to bright metal; remove mill scale, rust, paint, oil and moisture. Remove slag and spatter between passes.

4Pass by pass

Pass	Layer	Role	Amps	Volts	Travel mm/min	HI kJ/mm	Technique
1	1	Root	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer. Fuse into the root and both walls.
2	1	Root	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer. Fuse into the root and both walls.
3	2	Fill	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer. Tie into wall, no cold lap.
4	2	Fill	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer. Tie into wall, no cold lap.
5	3	Cap	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.
6	3	Cap	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.
7	3	Cap	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.

10 mm (3/8") · CJP

Overhead (O)

Scan for current rev

1 Fit-up check with gauge before welding

Joint type: Butt · Corner
Base metal: CSA G40.21 Gr. 300W / 350W; ASTM A36; ASTM A572 Gr. 50; ASTM A992
Thickness T: 10 mm
Root opening G: 6 mm +6 / −2
Bevel θ: 45° +10 / −5 from vertical
Backing: Steel, same group as base metal, ≥ 6 mm, tight fit
Backgouge: No

2 Pass sequence 7 passes

RootFillCapFusion line

Penetration: Complete (CJP)
Passes: 7 passes · 3 layers

3Before you strike an arc

Preheat (min)None requiredCSA W59-18 Table 5.3 col. 3 · t = 10 mmSteel below 0 °C: preheat to 10 °C

Interpass max250 °C

ElectrodeE4918 H4 · 3.2 mmAWS A5.1 (per CSA W48:23)

PolarityDCEP

Rod handlingLow-hydrogenHold in oven at ≥ 120 °C. Recondition if out more than 4 h. Re-dry only once; discard wet rods.

Clean: Grind / wire wheel weld area + 25 mm each side to bright metal; remove mill scale, rust, paint, oil and moisture. Remove slag and spatter between passes.

4Pass by pass

Pass	Layer	Role	Amps	Volts	Travel mm/min	HI kJ/mm	Technique
1	1	Root	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer. Fuse into the root and both walls.
2	1	Root	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer. Fuse into the root and both walls.
3	2	Fill	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer. Tie into wall, no cold lap.
4	2	Fill	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer. Tie into wall, no cold lap.
5	3	Cap	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.
6	3	Cap	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.
7	3	Cap	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.

12 mm (1/2") · CJP

Flat (F)

Scan for current rev

1 Fit-up check with gauge before welding

Joint type: Butt · Corner
Base metal: CSA G40.21 Gr. 300W / 350W; ASTM A36; ASTM A572 Gr. 50; ASTM A992
Thickness T: 12 mm
Root opening G: 6 mm +6 / −2
Bevel θ: 45° +10 / −5 from vertical
Backing: Steel, same group as base metal, ≥ 6 mm, tight fit
Backgouge: No

2 Pass sequence 11 passes

RootFillCapFusion line

Penetration: Complete (CJP)
Passes: 11 passes · 4 layers

3Before you strike an arc

Preheat (min)None requiredCSA W59-18 Table 5.3 col. 3 · t = 12 mmSteel below 0 °C: preheat to 10 °C

Interpass max250 °C

ElectrodeE4918 H4 · 3.2 mmAWS A5.1 (per CSA W48:23)

PolarityDCEP

Rod handlingLow-hydrogenHold in oven at ≥ 120 °C. Recondition if out more than 4 h. Re-dry only once; discard wet rods.

Clean: Grind / wire wheel weld area + 25 mm each side to bright metal; remove mill scale, rust, paint, oil and moisture. Remove slag and spatter between passes.

4Pass by pass

Pass	Layer	Role	Amps	Volts	Travel mm/min	HI kJ/mm	Technique
1	1	Root	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer. Fuse into the root and both walls.
2	1	Root	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer. Fuse into the root and both walls.
3	2	Fill	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer. Tie into wall, no cold lap.
4	2	Fill	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer. Tie into wall, no cold lap.
5	3	Fill	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer. Tie into wall, no cold lap.
6	3	Fill	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer. Tie into wall, no cold lap.
7	3	Fill	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer. Tie into wall, no cold lap.
8	4	Cap	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.
9	4	Cap	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.
10	4	Cap	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.
11	4	Cap	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.

12 mm (1/2") · CJP

Vertical up (V)

Scan for current rev

1 Fit-up check with gauge before welding

Joint type: Butt · Corner
Base metal: CSA G40.21 Gr. 300W / 350W; ASTM A36; ASTM A572 Gr. 50; ASTM A992
Thickness T: 12 mm
Root opening G: 6 mm +6 / −2
Bevel θ: 45° +10 / −5 from vertical
Backing: Steel, same group as base metal, ≥ 6 mm, tight fit
Backgouge: No

2 Pass sequence 11 passes

RootFillCapFusion line

Penetration: Complete (CJP)
Passes: 11 passes · 4 layers

3Before you strike an arc

Preheat (min)None requiredCSA W59-18 Table 5.3 col. 3 · t = 12 mmSteel below 0 °C: preheat to 10 °C

Interpass max250 °C

ElectrodeE4918 H4 · 3.2 mmAWS A5.1 (per CSA W48:23)

PolarityDCEP

Rod handlingLow-hydrogenHold in oven at ≥ 120 °C. Recondition if out more than 4 h. Re-dry only once; discard wet rods.

Clean: Grind / wire wheel weld area + 25 mm each side to bright metal; remove mill scale, rust, paint, oil and moisture. Remove slag and spatter between passes.

4Pass by pass

Pass	Layer	Role	Amps	Volts	Travel mm/min	HI kJ/mm	Technique
1	1	Root	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer. Fuse into the root and both walls.
2	1	Root	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer. Fuse into the root and both walls.
3	2	Fill	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer. Tie into wall, no cold lap.
4	2	Fill	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer. Tie into wall, no cold lap.
5	3	Fill	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer. Tie into wall, no cold lap.
6	3	Fill	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer. Tie into wall, no cold lap.
7	3	Fill	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer. Tie into wall, no cold lap.
8	4	Cap	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.
9	4	Cap	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.
10	4	Cap	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.
11	4	Cap	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.

12 mm (1/2") · CJP

Overhead (O)

Scan for current rev

1 Fit-up check with gauge before welding

Joint type: Butt · Corner
Base metal: CSA G40.21 Gr. 300W / 350W; ASTM A36; ASTM A572 Gr. 50; ASTM A992
Thickness T: 12 mm
Root opening G: 6 mm +6 / −2
Bevel θ: 45° +10 / −5 from vertical
Backing: Steel, same group as base metal, ≥ 6 mm, tight fit
Backgouge: No

2 Pass sequence 11 passes

RootFillCapFusion line

Penetration: Complete (CJP)
Passes: 11 passes · 4 layers

3Before you strike an arc

Preheat (min)None requiredCSA W59-18 Table 5.3 col. 3 · t = 12 mmSteel below 0 °C: preheat to 10 °C

Interpass max250 °C

ElectrodeE4918 H4 · 3.2 mmAWS A5.1 (per CSA W48:23)

PolarityDCEP

Rod handlingLow-hydrogenHold in oven at ≥ 120 °C. Recondition if out more than 4 h. Re-dry only once; discard wet rods.

Clean: Grind / wire wheel weld area + 25 mm each side to bright metal; remove mill scale, rust, paint, oil and moisture. Remove slag and spatter between passes.

4Pass by pass

Pass	Layer	Role	Amps	Volts	Travel mm/min	HI kJ/mm	Technique
1	1	Root	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer. Fuse into the root and both walls.
2	1	Root	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer. Fuse into the root and both walls.
3	2	Fill	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer. Tie into wall, no cold lap.
4	2	Fill	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer. Tie into wall, no cold lap.
5	3	Fill	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer. Tie into wall, no cold lap.
6	3	Fill	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer. Tie into wall, no cold lap.
7	3	Fill	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer. Tie into wall, no cold lap.
8	4	Cap	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.
9	4	Cap	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.
10	4	Cap	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.
11	4	Cap	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.

16 mm (5/8") · CJP

Flat (F)

Scan for current rev

1 Fit-up check with gauge before welding

Joint type: Butt · Corner
Base metal: CSA G40.21 Gr. 300W / 350W; ASTM A36; ASTM A572 Gr. 50; ASTM A992
Thickness T: 16 mm
Root opening G: 6 mm +6 / −2
Bevel θ: 45° +10 / −5 from vertical
Backing: Steel, same group as base metal, ≥ 6 mm, tight fit
Backgouge: No

2 Pass sequence 16 passes

RootFillCapFusion line

Penetration: Complete (CJP)
Passes: 16 passes · 5 layers

3Before you strike an arc

Preheat (min)None requiredCSA W59-18 Table 5.3 col. 3 · t = 16 mmSteel below 0 °C: preheat to 10 °C

Interpass max250 °C

ElectrodeE4918 H4 · 3.2 mmAWS A5.1 (per CSA W48:23)

PolarityDCEP

Rod handlingLow-hydrogenHold in oven at ≥ 120 °C. Recondition if out more than 4 h. Re-dry only once; discard wet rods.

Clean: Grind / wire wheel weld area + 25 mm each side to bright metal; remove mill scale, rust, paint, oil and moisture. Remove slag and spatter between passes.

4Pass by pass

Pass	Layer	Role	Amps	Volts	Travel mm/min	HI kJ/mm	Technique
1	1	Root	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer. Fuse into the root and both walls.
2	1	Root	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer. Fuse into the root and both walls.
3	2	Fill	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer. Tie into wall, no cold lap.
4	2	Fill	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer. Tie into wall, no cold lap.
5	3	Fill	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer. Tie into wall, no cold lap.
6	3	Fill	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer. Tie into wall, no cold lap.
7	3	Fill	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer. Tie into wall, no cold lap.
8	4	Fill	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer. Tie into wall, no cold lap.
9	4	Fill	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer. Tie into wall, no cold lap.
10	4	Fill	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer. Tie into wall, no cold lap.
11	4	Fill	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer. Tie into wall, no cold lap.
12	5	Cap	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.
13	5	Cap	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.
14	5	Cap	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.
15	5	Cap	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.
16	5	Cap	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.

16 mm (5/8") · CJP

Vertical up (V)

Scan for current rev

1 Fit-up check with gauge before welding

Joint type: Butt · Corner
Base metal: CSA G40.21 Gr. 300W / 350W; ASTM A36; ASTM A572 Gr. 50; ASTM A992
Thickness T: 16 mm
Root opening G: 6 mm +6 / −2
Bevel θ: 45° +10 / −5 from vertical
Backing: Steel, same group as base metal, ≥ 6 mm, tight fit
Backgouge: No

2 Pass sequence 16 passes

RootFillCapFusion line

Penetration: Complete (CJP)
Passes: 16 passes · 5 layers

3Before you strike an arc

Preheat (min)None requiredCSA W59-18 Table 5.3 col. 3 · t = 16 mmSteel below 0 °C: preheat to 10 °C

Interpass max250 °C

ElectrodeE4918 H4 · 3.2 mmAWS A5.1 (per CSA W48:23)

PolarityDCEP

Rod handlingLow-hydrogenHold in oven at ≥ 120 °C. Recondition if out more than 4 h. Re-dry only once; discard wet rods.

Clean: Grind / wire wheel weld area + 25 mm each side to bright metal; remove mill scale, rust, paint, oil and moisture. Remove slag and spatter between passes.

4Pass by pass

Pass	Layer	Role	Amps	Volts	Travel mm/min	HI kJ/mm	Technique
1	1	Root	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer. Fuse into the root and both walls.
2	1	Root	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer. Fuse into the root and both walls.
3	2	Fill	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer. Tie into wall, no cold lap.
4	2	Fill	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer. Tie into wall, no cold lap.
5	3	Fill	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer. Tie into wall, no cold lap.
6	3	Fill	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer. Tie into wall, no cold lap.
7	3	Fill	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer. Tie into wall, no cold lap.
8	4	Fill	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer. Tie into wall, no cold lap.
9	4	Fill	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer. Tie into wall, no cold lap.
10	4	Fill	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer. Tie into wall, no cold lap.
11	4	Fill	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer. Tie into wall, no cold lap.
12	5	Cap	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.
13	5	Cap	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.
14	5	Cap	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.
15	5	Cap	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.
16	5	Cap	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.

16 mm (5/8") · CJP

Overhead (O)

Scan for current rev

1 Fit-up check with gauge before welding

Joint type: Butt · Corner
Base metal: CSA G40.21 Gr. 300W / 350W; ASTM A36; ASTM A572 Gr. 50; ASTM A992
Thickness T: 16 mm
Root opening G: 6 mm +6 / −2
Bevel θ: 45° +10 / −5 from vertical
Backing: Steel, same group as base metal, ≥ 6 mm, tight fit
Backgouge: No

2 Pass sequence 16 passes

RootFillCapFusion line

Penetration: Complete (CJP)
Passes: 16 passes · 5 layers

3Before you strike an arc

Preheat (min)None requiredCSA W59-18 Table 5.3 col. 3 · t = 16 mmSteel below 0 °C: preheat to 10 °C

Interpass max250 °C

ElectrodeE4918 H4 · 3.2 mmAWS A5.1 (per CSA W48:23)

PolarityDCEP

Rod handlingLow-hydrogenHold in oven at ≥ 120 °C. Recondition if out more than 4 h. Re-dry only once; discard wet rods.

Clean: Grind / wire wheel weld area + 25 mm each side to bright metal; remove mill scale, rust, paint, oil and moisture. Remove slag and spatter between passes.

4Pass by pass

Pass	Layer	Role	Amps	Volts	Travel mm/min	HI kJ/mm	Technique
1	1	Root	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer. Fuse into the root and both walls.
2	1	Root	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer. Fuse into the root and both walls.
3	2	Fill	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer. Tie into wall, no cold lap.
4	2	Fill	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer. Tie into wall, no cold lap.
5	3	Fill	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer. Tie into wall, no cold lap.
6	3	Fill	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer. Tie into wall, no cold lap.
7	3	Fill	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer. Tie into wall, no cold lap.
8	4	Fill	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer. Tie into wall, no cold lap.
9	4	Fill	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer. Tie into wall, no cold lap.
10	4	Fill	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer. Tie into wall, no cold lap.
11	4	Fill	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer. Tie into wall, no cold lap.
12	5	Cap	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.
13	5	Cap	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.
14	5	Cap	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.
15	5	Cap	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.
16	5	Cap	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.

20 mm (3/4") · CJP

Flat (F)

Scan for current rev

1 Fit-up check with gauge before welding

Joint type: Butt · Corner
Base metal: CSA G40.21 Gr. 300W / 350W; ASTM A36; ASTM A572 Gr. 50; ASTM A992
Thickness T: 20 mm
Root opening G: 6 mm +6 / −2
Bevel θ: 45° +10 / −5 from vertical
Backing: Steel, same group as base metal, ≥ 6 mm, tight fit
Backgouge: No

2 Pass sequence 24 passes

RootFillCapFusion line

Penetration: Complete (CJP)
Passes: 24 passes · 7 layers

3Before you strike an arc

Preheat (min)None requiredCSA W59-18 Table 5.3 col. 3 · t = 20 mmSteel below 0 °C: preheat to 10 °C

Interpass max250 °C

ElectrodeE4918 H4 · 3.2 mmAWS A5.1 (per CSA W48:23)

PolarityDCEP

Rod handlingLow-hydrogenHold in oven at ≥ 120 °C. Recondition if out more than 4 h. Re-dry only once; discard wet rods.

Clean: Grind / wire wheel weld area + 25 mm each side to bright metal; remove mill scale, rust, paint, oil and moisture. Remove slag and spatter between passes.

4Pass by pass

Pass	Layer	Role	Amps	Volts	Travel mm/min	HI kJ/mm	Technique
1	1	Root	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer. Fuse into the root and both walls.
2	1	Root	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer. Fuse into the root and both walls.
3	2	Fill	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer. Tie into wall, no cold lap.
4	2	Fill	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer. Tie into wall, no cold lap.
5	3	Fill	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer. Tie into wall, no cold lap.
6	3	Fill	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer. Tie into wall, no cold lap.
7	3	Fill	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer. Tie into wall, no cold lap.
8	4	Fill	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer. Tie into wall, no cold lap.
9	4	Fill	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer. Tie into wall, no cold lap.
10	4	Fill	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer. Tie into wall, no cold lap.
11	5	Fill	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer. Tie into wall, no cold lap.
12	5	Fill	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer. Tie into wall, no cold lap.
13	5	Fill	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer. Tie into wall, no cold lap.
14	5	Fill	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer. Tie into wall, no cold lap.
15	6	Fill	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer. Tie into wall, no cold lap.
16	6	Fill	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer. Tie into wall, no cold lap.
17	6	Fill	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer. Tie into wall, no cold lap.
18	6	Fill	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer. Tie into wall, no cold lap.
19	6	Fill	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer. Tie into wall, no cold lap.
20	7	Cap	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.
21	7	Cap	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.
22	7	Cap	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.
23	7	Cap	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.
24	7	Cap	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.

20 mm (3/4") · CJP

Vertical up (V)

Scan for current rev

1 Fit-up check with gauge before welding

Joint type: Butt · Corner
Base metal: CSA G40.21 Gr. 300W / 350W; ASTM A36; ASTM A572 Gr. 50; ASTM A992
Thickness T: 20 mm
Root opening G: 6 mm +6 / −2
Bevel θ: 45° +10 / −5 from vertical
Backing: Steel, same group as base metal, ≥ 6 mm, tight fit
Backgouge: No

2 Pass sequence 24 passes

RootFillCapFusion line

Penetration: Complete (CJP)
Passes: 24 passes · 7 layers

3Before you strike an arc

Preheat (min)None requiredCSA W59-18 Table 5.3 col. 3 · t = 20 mmSteel below 0 °C: preheat to 10 °C

Interpass max250 °C

ElectrodeE4918 H4 · 3.2 mmAWS A5.1 (per CSA W48:23)

PolarityDCEP

Rod handlingLow-hydrogenHold in oven at ≥ 120 °C. Recondition if out more than 4 h. Re-dry only once; discard wet rods.

Clean: Grind / wire wheel weld area + 25 mm each side to bright metal; remove mill scale, rust, paint, oil and moisture. Remove slag and spatter between passes.

4Pass by pass

Pass	Layer	Role	Amps	Volts	Travel mm/min	HI kJ/mm	Technique
1	1	Root	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer. Fuse into the root and both walls.
2	1	Root	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer. Fuse into the root and both walls.
3	2	Fill	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer. Tie into wall, no cold lap.
4	2	Fill	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer. Tie into wall, no cold lap.
5	3	Fill	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer. Tie into wall, no cold lap.
6	3	Fill	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer. Tie into wall, no cold lap.
7	3	Fill	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer. Tie into wall, no cold lap.
8	4	Fill	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer. Tie into wall, no cold lap.
9	4	Fill	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer. Tie into wall, no cold lap.
10	4	Fill	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer. Tie into wall, no cold lap.
11	5	Fill	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer. Tie into wall, no cold lap.
12	5	Fill	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer. Tie into wall, no cold lap.
13	5	Fill	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer. Tie into wall, no cold lap.
14	5	Fill	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer. Tie into wall, no cold lap.
15	6	Fill	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer. Tie into wall, no cold lap.
16	6	Fill	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer. Tie into wall, no cold lap.
17	6	Fill	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer. Tie into wall, no cold lap.
18	6	Fill	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer. Tie into wall, no cold lap.
19	6	Fill	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer. Tie into wall, no cold lap.
20	7	Cap	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.
21	7	Cap	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.
22	7	Cap	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.
23	7	Cap	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.
24	7	Cap	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.

20 mm (3/4") · CJP

Overhead (O)

Scan for current rev

1 Fit-up check with gauge before welding

Joint type: Butt · Corner
Base metal: CSA G40.21 Gr. 300W / 350W; ASTM A36; ASTM A572 Gr. 50; ASTM A992
Thickness T: 20 mm
Root opening G: 6 mm +6 / −2
Bevel θ: 45° +10 / −5 from vertical
Backing: Steel, same group as base metal, ≥ 6 mm, tight fit
Backgouge: No

2 Pass sequence 24 passes

RootFillCapFusion line

Penetration: Complete (CJP)
Passes: 24 passes · 7 layers

3Before you strike an arc

Preheat (min)None requiredCSA W59-18 Table 5.3 col. 3 · t = 20 mmSteel below 0 °C: preheat to 10 °C

Interpass max250 °C

ElectrodeE4918 H4 · 3.2 mmAWS A5.1 (per CSA W48:23)

PolarityDCEP

Rod handlingLow-hydrogenHold in oven at ≥ 120 °C. Recondition if out more than 4 h. Re-dry only once; discard wet rods.

Clean: Grind / wire wheel weld area + 25 mm each side to bright metal; remove mill scale, rust, paint, oil and moisture. Remove slag and spatter between passes.

4Pass by pass

Pass	Layer	Role	Amps	Volts	Travel mm/min	HI kJ/mm	Technique
1	1	Root	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer. Fuse into the root and both walls.
2	1	Root	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer. Fuse into the root and both walls.
3	2	Fill	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer. Tie into wall, no cold lap.
4	2	Fill	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer. Tie into wall, no cold lap.
5	3	Fill	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer. Tie into wall, no cold lap.
6	3	Fill	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer. Tie into wall, no cold lap.
7	3	Fill	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer. Tie into wall, no cold lap.
8	4	Fill	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer. Tie into wall, no cold lap.
9	4	Fill	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer. Tie into wall, no cold lap.
10	4	Fill	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer. Tie into wall, no cold lap.
11	5	Fill	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer. Tie into wall, no cold lap.
12	5	Fill	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer. Tie into wall, no cold lap.
13	5	Fill	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer. Tie into wall, no cold lap.
14	5	Fill	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer. Tie into wall, no cold lap.
15	6	Fill	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer. Tie into wall, no cold lap.
16	6	Fill	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer. Tie into wall, no cold lap.
17	6	Fill	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer. Tie into wall, no cold lap.
18	6	Fill	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer. Tie into wall, no cold lap.
19	6	Fill	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer. Tie into wall, no cold lap.
20	7	Cap	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.
21	7	Cap	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.
22	7	Cap	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.
23	7	Cap	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.
24	7	Cap	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.

25 mm (1") · CJP

Flat (F)

Scan for current rev

1 Fit-up check with gauge before welding

Joint type: Butt · Corner
Base metal: CSA G40.21 Gr. 300W / 350W; ASTM A36; ASTM A572 Gr. 50; ASTM A992
Thickness T: 25 mm
Root opening G: 6 mm +6 / −2
Bevel θ: 45° +10 / −5 from vertical
Backing: Steel, same group as base metal, ≥ 6 mm, tight fit
Backgouge: No

2 Pass sequence 31 passes

RootFillCapFusion line

Penetration: Complete (CJP)
Passes: 31 passes · 8 layers

3Before you strike an arc

Preheat (min)10 °C minCSA W59-18 Table 5.3 col. 3 · t = 25 mm

Interpass max250 °C

ElectrodeE4918 H4 · 3.2 mmAWS A5.1 (per CSA W48:23)

PolarityDCEP

Rod handlingLow-hydrogenHold in oven at ≥ 120 °C. Recondition if out more than 4 h. Re-dry only once; discard wet rods.

Clean: Grind / wire wheel weld area + 25 mm each side to bright metal; remove mill scale, rust, paint, oil and moisture. Remove slag and spatter between passes.

4Pass by pass

Pass	Layer	Role	Amps	Volts	Travel mm/min	HI kJ/mm	Technique
1	1	Root	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer. Fuse into the root and both walls.
2	1	Root	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer. Fuse into the root and both walls.
3	2	Fill	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer. Tie into wall, no cold lap.
4	2	Fill	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer. Tie into wall, no cold lap.
5	3	Fill	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer. Tie into wall, no cold lap.
6	3	Fill	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer. Tie into wall, no cold lap.
7	3	Fill	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer. Tie into wall, no cold lap.
8	4	Fill	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer. Tie into wall, no cold lap.
9	4	Fill	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer. Tie into wall, no cold lap.
10	4	Fill	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer. Tie into wall, no cold lap.
11	4	Fill	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer. Tie into wall, no cold lap.
12	5	Fill	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer. Tie into wall, no cold lap.
13	5	Fill	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer. Tie into wall, no cold lap.
14	5	Fill	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer. Tie into wall, no cold lap.
15	5	Fill	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer. Tie into wall, no cold lap.
16	6	Fill	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer. Tie into wall, no cold lap.
17	6	Fill	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer. Tie into wall, no cold lap.
18	6	Fill	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer. Tie into wall, no cold lap.
19	6	Fill	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer. Tie into wall, no cold lap.
20	6	Fill	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer. Tie into wall, no cold lap.
21	7	Fill	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer. Tie into wall, no cold lap.
22	7	Fill	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer. Tie into wall, no cold lap.
23	7	Fill	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer. Tie into wall, no cold lap.
24	7	Fill	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer. Tie into wall, no cold lap.
25	7	Fill	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer. Tie into wall, no cold lap.
26	8	Cap	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.
27	8	Cap	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.
28	8	Cap	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.
29	8	Cap	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.
30	8	Cap	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.
31	8	Cap	100–140approx.	21–25	120–250per data sheet	0.88calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.

25 mm (1") · CJP

Vertical up (V)

Scan for current rev

1 Fit-up check with gauge before welding

Joint type: Butt · Corner
Base metal: CSA G40.21 Gr. 300W / 350W; ASTM A36; ASTM A572 Gr. 50; ASTM A992
Thickness T: 25 mm
Root opening G: 6 mm +6 / −2
Bevel θ: 45° +10 / −5 from vertical
Backing: Steel, same group as base metal, ≥ 6 mm, tight fit
Backgouge: No

2 Pass sequence 31 passes

RootFillCapFusion line

Penetration: Complete (CJP)
Passes: 31 passes · 8 layers

3Before you strike an arc

Preheat (min)10 °C minCSA W59-18 Table 5.3 col. 3 · t = 25 mm

Interpass max250 °C

ElectrodeE4918 H4 · 3.2 mmAWS A5.1 (per CSA W48:23)

PolarityDCEP

Rod handlingLow-hydrogenHold in oven at ≥ 120 °C. Recondition if out more than 4 h. Re-dry only once; discard wet rods.

Clean: Grind / wire wheel weld area + 25 mm each side to bright metal; remove mill scale, rust, paint, oil and moisture. Remove slag and spatter between passes.

4Pass by pass

Pass	Layer	Role	Amps	Volts	Travel mm/min	HI kJ/mm	Technique
1	1	Root	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer. Fuse into the root and both walls.
2	1	Root	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer. Fuse into the root and both walls.
3	2	Fill	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer. Tie into wall, no cold lap.
4	2	Fill	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer. Tie into wall, no cold lap.
5	3	Fill	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer. Tie into wall, no cold lap.
6	3	Fill	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer. Tie into wall, no cold lap.
7	3	Fill	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer. Tie into wall, no cold lap.
8	4	Fill	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer. Tie into wall, no cold lap.
9	4	Fill	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer. Tie into wall, no cold lap.
10	4	Fill	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer. Tie into wall, no cold lap.
11	4	Fill	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer. Tie into wall, no cold lap.
12	5	Fill	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer. Tie into wall, no cold lap.
13	5	Fill	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer. Tie into wall, no cold lap.
14	5	Fill	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer. Tie into wall, no cold lap.
15	5	Fill	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer. Tie into wall, no cold lap.
16	6	Fill	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer. Tie into wall, no cold lap.
17	6	Fill	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer. Tie into wall, no cold lap.
18	6	Fill	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer. Tie into wall, no cold lap.
19	6	Fill	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer. Tie into wall, no cold lap.
20	6	Fill	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer. Tie into wall, no cold lap.
21	7	Fill	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer. Tie into wall, no cold lap.
22	7	Fill	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer. Tie into wall, no cold lap.
23	7	Fill	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer. Tie into wall, no cold lap.
24	7	Fill	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer. Tie into wall, no cold lap.
25	7	Fill	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer. Tie into wall, no cold lap.
26	8	Cap	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.
27	8	Cap	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.
28	8	Cap	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.
29	8	Cap	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.
30	8	Cap	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.
31	8	Cap	85–115approx.	20–24	60–130per data sheet	1.39calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.

25 mm (1") · CJP

Overhead (O)

Scan for current rev

1 Fit-up check with gauge before welding

Joint type: Butt · Corner
Base metal: CSA G40.21 Gr. 300W / 350W; ASTM A36; ASTM A572 Gr. 50; ASTM A992
Thickness T: 25 mm
Root opening G: 6 mm +6 / −2
Bevel θ: 45° +10 / −5 from vertical
Backing: Steel, same group as base metal, ≥ 6 mm, tight fit
Backgouge: No

2 Pass sequence 31 passes

RootFillCapFusion line

Penetration: Complete (CJP)
Passes: 31 passes · 8 layers

3Before you strike an arc

Preheat (min)10 °C minCSA W59-18 Table 5.3 col. 3 · t = 25 mm

Interpass max250 °C

ElectrodeE4918 H4 · 3.2 mmAWS A5.1 (per CSA W48:23)

PolarityDCEP

Rod handlingLow-hydrogenHold in oven at ≥ 120 °C. Recondition if out more than 4 h. Re-dry only once; discard wet rods.

Clean: Grind / wire wheel weld area + 25 mm each side to bright metal; remove mill scale, rust, paint, oil and moisture. Remove slag and spatter between passes.

4Pass by pass

Pass	Layer	Role	Amps	Volts	Travel mm/min	HI kJ/mm	Technique
1	1	Root	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer. Fuse into the root and both walls.
2	1	Root	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer. Fuse into the root and both walls.
3	2	Fill	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer. Tie into wall, no cold lap.
4	2	Fill	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer. Tie into wall, no cold lap.
5	3	Fill	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer. Tie into wall, no cold lap.
6	3	Fill	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer. Tie into wall, no cold lap.
7	3	Fill	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer. Tie into wall, no cold lap.
8	4	Fill	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer. Tie into wall, no cold lap.
9	4	Fill	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer. Tie into wall, no cold lap.
10	4	Fill	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer. Tie into wall, no cold lap.
11	4	Fill	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer. Tie into wall, no cold lap.
12	5	Fill	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer. Tie into wall, no cold lap.
13	5	Fill	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer. Tie into wall, no cold lap.
14	5	Fill	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer. Tie into wall, no cold lap.
15	5	Fill	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer. Tie into wall, no cold lap.
16	6	Fill	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer. Tie into wall, no cold lap.
17	6	Fill	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer. Tie into wall, no cold lap.
18	6	Fill	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer. Tie into wall, no cold lap.
19	6	Fill	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer. Tie into wall, no cold lap.
20	6	Fill	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer. Tie into wall, no cold lap.
21	7	Fill	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer. Tie into wall, no cold lap.
22	7	Fill	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer. Tie into wall, no cold lap.
23	7	Fill	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer. Tie into wall, no cold lap.
24	7	Fill	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer. Tie into wall, no cold lap.
25	7	Fill	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer. Tie into wall, no cold lap.
26	8	Cap	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.
27	8	Cap	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.
28	8	Cap	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.
29	8	Cap	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.
30	8	Cap	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.
31	8	Cap	90–125approx.	20–24	80–150per data sheet	1.23calc.	Stringer, ~50% overlap. Run 1–2 mm past groove edge.

5Watch out

Vertical is UP only — vertical-down is not prequalified (W59 Table 10.1 note).
Low-hydrogen rods straight from the oven; wet or out-too-long rods go back for reconditioning.
No welding when ambient is below −18 °C without the engineer's consent (W59 Table 5.3 Note 1).