ASME WELDING PROCEDURE SPECIFICATION (WPS)
Beckwith & Kuffel
Welding Process(es):
SMAW
Supporting PQR No.(s) PQR-003A,
PQR-003B Type(s) : Manual
JOINTS (QW-402)
Joint Design: Single V, Double V, Corner, Socket, Fillet,
Repairs
Root Spacing: 0.063” - 0.125”
No retainers
Backing: Yes
No
With or without
Backing Material (Type): Same P-No or base material
Metal
Nonfusing Metal
Nonmetallic
Details
37.5°
0.063”
T
Other
Sketches, Production Drawings, Weld Symbols, or Written
Description should show the general arrangement of the
parts to be welded. Where applicable, the details of weld
groove may be specified.
(At the option of Beckwith & Kuffel, sketches may be
attached to illustrate joint design, weld layers, and
bead sequence (e.g., for notch toughness procedures,
for multiple process procedures, etc.)
BASE METALS (QW-403)
P-No: 1 to P-No: 1
Thickness Range
Base Metal:
Pipe Diameter Range:
Maximum Pass Thickness ≤ ½” (13
mm)
0.063” – 0.125”
Joints welded in accordance with this procedure are not
limited to the details above, and may be changed in
accordance with QW-253.
Groove - 1/16” – 8”
Groove - Unlimited
Yes
No
FILLER METALS (QW-404)
Specification No. (SFA)
AWS No. (Class)
F-No.
A-No.
Size of Filler Metals
Weld Metal Thickness Range:
Groove
Fillet
POSITIONS (QW-405)
Position(s) of Groove : All positions
Position(s) of Fillet : All positions
Welding Progression: Vertical uphill / Forehand
PREHEAT (QW-406)
Preheat Temperature, Min: 200°F
Interpass Temperature, Maximum: 400°F
Preheat Maintenance: Maintain during welding
Fillet - Unlimited
Fillet - Unlimited
5.1
E7018-1H4R
4
1
3/32”, 1/8”
8” Maximum
Unlimited
POSTWELD HEAT TREATMENT(QW-407)
Temperature: No PWHT
Time: N/A
GAS (QW-408)
Shielding
Trailing
Backing
Gas(es)
N/A
N/A
N/A
Percent Composition
(Mixture)
Flow Rate
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ELECTRICAL CHARACTERISTICS (QW-409)
Filler Metal
Weld
Pass(es)
All
Process
SMAW
SMAW
Current: Direct
Classificatio
n
E7018
E7018
Diameter
3/32”
1/8”
Current Type
and Polarity
DCEP
DCEP
Polarity: Reverse (electrode positive)
Amps
(Range)
70 - 110
105 - 155
Volts (Range)
15 - 20
18 - 24
Travel Speed
(Range)
3 - 4 ipm
3 - 6 ipm
Other
N/A
N/A
Heat Input (max.): N/A
TECHNIQUE (QW-410)
String or Weave Bead: String
Initial and interpass cleaning (Brushing, Grinding, etc.): Remove scale before welding, chip slag, wire brush, and/or grind
as
necessary between passes.
Methods of Back Gouging: Carbon arc and/or grind when welding both sides.
Oscillation: N/A
Multiple or Single Pass (Per Side) :
Multiple
Single
Multiple or Single Electrodes:
Multiple
Single
Peening: Not allowed
Use of thermal processes: Not allowed
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