QW-254.1 Welding Variables Procedure Specifications (WPS) — Submerged‐Arc Welding (SAW)
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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
Table QW-255
Welding Variables Procedure Specifications (WPS) — Gas Metal-Arc Welding (GMAW and FCAW)
(Cont'd)
Paragraph
QW-410
Technique
Brief of Variables
Essential
Supplementary
Essential
ϕ String/weave
X
.3
ϕ Orifice, cup, or nozzle size
X
.5
ϕ Method cleaning
X
.6
ϕ Method back gouge
X
.7
ϕ Oscillation
X
.8
ϕ Tube‐work distance
.9
ϕ Multiple to single pass/side
X
X
.10
ϕ Single to multiple electrodes
X
X
.15
ϕ Electrode spacing
X
.25
ϕ Manual or automatic
X
.26
± Peening
.64
X
X
Use of thermal processes
X
Legend:
+ Addition
− Deletion
Nonessential
.1
> Increase/greater than
< Decrease/less than
↑ Uphill
↓ Downhill
ϕ Change
This copy downloaded on 2015-07-13 07:36:37 -0500 by authorized user logan ahlstrom.
42
← Forehand
→ Backhand
Copyrighted material licensed to University of Toronto by Thomson Scientific, Inc. (www.techstreet.com).
ASME BPVC.IX-2015
No fu
Table QW-255.1
Welding Variables Procedure Specifications (WPS) — Gas Metal-Arc Welding (GMAW and FCAW)
Special Process Variables
Essential Variables
Paragraph
Hard‐Facing Overlay (HFO)
(QW-216)
Corrosion‐Resistant Overlay
(CRO) (QW-214)
<
QW-402
Joints
.16
<
Finished t
QW-403
Base Metals
.20
ϕ P‐Number
ϕ P‐Number
.23
ϕ T Qualified
ϕ T Qualified
Finished t
ϕ Nominal size of
electrode
.6
QW-404
Filler Metals
.12
ϕ Classification
.23
ϕ Filler metal product form
.24
±
.27
ϕ Alloy elements
.4
QW-406
Preheat
.4
QW-407
PWHT
.6
QW-409
Electrical
Characteristics
.4
QW-410
Technique
Position
+
Dec. > 100°F (55°C) preheat
> Interpass
Position
Dec. > 100°F (55°C) preheat
> Interpass
ϕ PWHT
ϕ PWHT
ϕ Single, mixture, or %
ϕ Single, mixture, or %
ϕ Current or polarity
ϕ Current or polarity
ϕ Flow rate
.3
.26
1st layer — Heat input
> 10%
1st layer — Heat input
> 10%
.1
ϕ String/weave
.3
ϕ Orifice/cup or nozzle
size
.5
ϕ Method of cleaning
.7
ϕ Oscillation
.8
ϕ Tube to work distance
.25
ϕ Manual or automatic
.26
±
.38
ϕ Multiple to single layer
ϕ Multiple to single layer
.50
ϕ No. of electrodes
ϕ No. of electrodes
Peening
Legend:
+ Addition
− Deletion
> Increase/greater than
< Decrease/less than
↑ Uphill
↓ Downhill
43
← Forehand
→ Backhand
ϕ Change
This copy downloaded on 2015-07-13 07:36:37 -0500 by authorized user logan ahlstrom.
QW-408
Gas
or ϕ > 10% in supplemental
filler metal
ϕ A‐Number
+
.9
.2
ϕ Filler metal product form
or ϕ > 10% in supplemental ±
filler metal
.37
QW-405
Positions
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-256
Welding Variables Procedure Specifications (WPS) — Gas Tungsten-Arc Welding (GTAW)
Paragraph
QW-402
Joints
QW-403
Base Metals
QW-404
Filler Metals
QW-405
Positions
Brief of Variables
ϕ Groove design
X
.5
+
Backing
X
.10
ϕ Root spacing
X
.11
±
X
.5
ϕ Group Number
Retainers
X
.6
T Limits
.8
T Qualified
X
X
X
.11
ϕ P‐No. qualified
.3
ϕ Size
.4
ϕ F‐Number
X
.5
ϕ A‐Number
X
.12
ϕ Classification
.14
±
Filler
.22
±
Consum. insert
.23
ϕ Filler metal product form
X
.30
ϕ t
X
.33
ϕ Classification
X
.50
±
Flux
X
.1
+
Position
X
.2
ϕ Position
.3
ϕ ↑↓ Vertical welding
QW-407
PWHT
.1
ϕ PWHT
.2
ϕ PWHT (T &T range)
X
X
X
X
X
X
Decrease > 100°F (55°C)
.3
X
Increase > 100°F (55°C) (IP)
.4
X
X
X
T Limits
X
Trail or ϕ comp.
.1
±
X
.2
ϕ Single, mixture, or %
.3
ϕ Flow rate
.5
±
.9
− Backing or ϕ comp.
X
X
X
X
or ϕ Backing flow
X
.10
ϕ Shielding or trailing
.1
> Heat input
.3
±
.4
ϕ Current or polarity
.8
ϕ I & E range
X
.12
ϕ Tungsten electrode
X
X
Pulsing I
X
X
44
X
This copy downloaded on 2015-07-13 07:36:37 -0500 by authorized user logan ahlstrom.
.1
QW-409
Electrical
Characteristics
Supplementary
Essential
Nonessential
.1
QW-406
Preheat
QW-408
Gas
Essential
Copyrighted material licensed to University of Toronto by Thomson Scientific, Inc. (www.techstreet.com).
ASME BPVC.IX-2015
No fu
