QW-253.1 Welding Variables Procedure Specifications (WPS) — Shielded Metal‐Arc Welding (SMAW)
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Table QW-254
Welding Variables Procedure Specifications (WPS) — Submerged-Arc Welding (SAW)
Paragraph
QW-402
Joints
QW-403
Base Metals
Brief of Variables
ϕ Groove design
X
.4
−
Backing
X
.10
ϕ Root spacing
X
.11
±
X
.5
ϕ Group Number
Retainers
.6
T Limits
.8
ϕ T Qualified
X
X
X
t Pass 1/2 in. (13 mm)
X
ϕ P‐No. qualified
X
.4
ϕ F‐Number
X
.5
ϕ A‐Number
X
.6
ϕ Diameter
.9
ϕ Flux/wire class.
X
.10
ϕ Alloy flux
X
.24
± Supplemental
ϕ
X
.27
ϕ Alloy elements
X
.29
ϕ Flux designation
.30
ϕ t
.33
ϕ Classification
.34
ϕ Flux type
.35
ϕ Flux/wire class.
QW-405
Positions
.1
QW-406
Preheat
.1
.2
X
X
X
X
X
X
Recrushed slag
+ Position
X
Decrease > 100°F (55°C)
X
ϕ Preheat maint.
.3
X
Increase > 100°F (55°C) (IP)
.1
ϕ PWHT
.2
ϕ PWHT (T & T range)
.4
X
X
X
X
X
T Limits
X
QW-409
Electrical
Characteristics
.1
>
.4
ϕ Current or polarity
.8
ϕ I & E range
X
QW-410
Technique
.1
ϕ String/weave
X
.5
ϕ Method cleaning
X
.6
ϕ Method back gouge
X
.7
ϕ Oscillation
X
.8
ϕ Tube‐work distance
.9
ϕ Multi to single pass/side
X
X
.10
ϕ Single to multi electrodes
X
X
.15
ϕ Electrode spacing
X
.25
ϕ Manual or automatic
X
.26
±
.64
Heat input
X
X
X
X
Peening
X
Use of thermal processes
X
38
This copy downloaded on 2015-07-13 07:36:37 -0500 by authorized user logan ahlstrom.
.11
.36
QW-407
PWHT
Supplementary
Essential
Nonessential
.1
.9
QW-404
Filler Metals
Essential
Copyrighted material licensed to University of Toronto by Thomson Scientific, Inc. (www.techstreet.com).
ASME BPVC.IX-2015
No fu
Table QW-254
Welding Variables Procedure Specifications (WPS) — Submerged-Arc Welding (SAW) (Cont'd)
Legend:
+ Addition
− Deletion
↑ Uphill
↓ Downhill
> Increase/greater than
< Decrease/less than
ϕ Change
This copy downloaded on 2015-07-13 07:36:37 -0500 by authorized user logan ahlstrom.
39
← Forehand
→ Backhand
Copyrighted material licensed to University of Toronto by Thomson Scientific, Inc. (www.techstreet.com).
ASME BPVC.IX-2015
No fu
ð15Þ
Table QW-254.1
Welding Variables Procedure Specifications (WPS) — Submerged-Arc Welding (SAW)
Special Process Variables
Essential Variables
Hard‐Facing Overlay (HFO)
(QW-216)
Paragraph
QW-402
Joints
QW-403
Base Metals
Finished t
Corrosion‐Resistant Overlay
(CRO) (QW-214)
.16
<
<
.20
ϕ P‐Number
ϕ P‐Number
.23
ϕ T Qualified
ϕ T Qualified
Finished t
ϕ
.6
.12
QW-404
Filler Metals
.24
.27
±
or ϕ > 10% in supplemental
filler metal
±
or ϕ > 10% in supplemental
filler metal
ϕ Alloy elements
ϕ A‐Number
.39
ϕ Nominal flux comp.
ϕ Nominal flux comp.
.57
> Strip thickness or width
> Strip thickness or width
QW-405
Positions
.4
+ Position
+ Position
QW-406
Preheat
.4
QW-409
Electrical
Characteristics
.4
QW-410
Technique
Dec. > 100°F (55°C)
preheat > Interpass
ϕ PWHT
ϕ PWHT
.9
.26
Dec. > 100°F (55°C)
preheat > Interpass
ϕ Current or polarity
ϕ Current or polarity
1st layer — Heat input > 10%
1st layer — Heat input > 10%
.1
ϕ String/weave
.5
ϕ Method of cleaning
.7
ϕ Oscillation
.8
ϕ Tube to work distance
.15
ϕ Electrode spacing
.25
ϕ Manual or automatic
.26
.38
±
ϕ Multiple to single layer
ϕ Multiple to single layer
ϕ No. of electrodes
ϕ No. of electrodes
− Supplemental device
.40
.50
Peening
Legend:
+ Addition
− Deletion
> Increase/greater than
< Decrease/less than
↑ Uphill
↓ Downhill
40
← Forehand
→ Backhand
ϕ Change
This copy downloaded on 2015-07-13 07:36:37 -0500 by authorized user logan ahlstrom.
.6
Nominal size of
electrode
ϕ Classification
.37
QW-407
PWHT
Nonessential Variables for
HFO and CRO
Copyrighted material licensed to University of Toronto by Thomson Scientific, Inc. (www.techstreet.com).
ASME BPVC.IX-2015
No fu
Table QW-255
Welding Variables Procedure Specifications (WPS) — Gas Metal-Arc Welding (GMAW and FCAW)
Paragraph
QW-402
Joints
QW-403
Base Metals
QW-404
Filler Metals
Brief of Variables
X
.4
−
Backing
X
.10
ϕ Root spacing
X
.11
±
X
.5
ϕ Group Number
T Limits
.8
ϕ T Qualified
X
X
t Pass > 1/2 in. (13 mm)
X
.10
T limits (S. cir. arc)
X
.11
ϕ P‐No. qualified
X
.4
ϕ F‐Number
X
.5
ϕ A‐Number
X
.6
ϕ Diameter
.12
ϕ Classification
X
X
.23
ϕ Filler metal product form
.24
±
.27
ϕ Alloy elements
X
.30
ϕ t
X
X
t Limits (S. cir. arc)
.33
ϕ Classification
.1
+
.2
ϕ Position
.3
ϕ ↑ ↓ Vertical welding
.2
X
or ϕ Supplemental
X
X
Position
X
X
X
Decrease > 100°F (55°C)
X
ϕ Preheat maint.
X
Increase > 100°F (55°C) (IP)
.1
ϕ PWHT
.2
ϕ PWHT (T & T range)
X
X
X
T Limits
X
Trail or ϕ comp.
.1
±
.2
ϕ Single, mixture, or %
.3
ϕ Flow rate
.5
±
or ϕ Backing flow
.9
−
Backing or ϕ comp.
X
X
.10
ϕ Shielding or trailing
.1
> Heat input
.2
ϕ Transfer mode
.4
ϕ Current or polarity
.8
ϕ I & E range
X
X
X
X
X
X
X
X
X
41
This copy downloaded on 2015-07-13 07:36:37 -0500 by authorized user logan ahlstrom.
QW-409
Electrical
Characteristics
X
.9
.4
QW-408
Gas
Retainers
.6
.3
QW-407
PWHT
Nonessential
ϕ Groove design
.1
QW-406
Preheat
Supplementary
Essential
.1
.32
QW-405
Positions
Essential
Copyrighted material licensed to University of Toronto by Thomson Scientific, Inc. (www.techstreet.com).
ASME BPVC.IX-2015
No fu
