WELDING PROCEDURE SPECIFICATION NO. 1/8-32-1 FOR GAS TUNGSTEN ARC WELDING (GTAW) AND SHIELDED METAL ARC WELDING (SMAW) OF CARBON STEEL PIPE WITH STAINLESS STEEL CLADDING USING ER317L and E317L-15 or -16 FILLER METALS
THIS DOCUMENT IS THE PROPERTY OF _______________________________ _______________________________ (Company)
Jointly Developed With The NATIONAL CERTIFIED PIPE WELDING WELDING BUREAU 1385 Piccard Drive Rockville, MD 20850
This Welding Procedure Specification (WPS) and supporting Procedure Qualification record(s) (PQR) are the property of the National Certified Pipe Welding Bureau. They are issued for adoption by members only and are to be returned to the Bureau upon termination of membership
ANSI
American National Standards Institute
ASME American Society of Mechanical Engineers AWS
American Welding Society, Inc.
REPRODUCTION AND USE OF THIS WPS AND SUPPORTING PQR(S) BY OTHER THAN MEMBERS OF THE BUREAU IS UNAUTHORIZED
© 2005-Copyrighted in the United States and Canada by the National Certified Pipe Welding Bureau
Jointly Developed with the National Certified Pipe Welding Bureau 1385 Piccard Drive Rockville, MD 20850-4340
Welding Procedure Specification (WPS) Member Company Name: WPS Number 1/8-32-1 (clad pipe) Revision 1 Welding Process: Manual GTAW and SMAW
Date issued: 11-13-04 Supporting PQRs: 04016
Joints (QW-402) Joint Design: Single V, U or J shown on the other side and repairs, build-up Backing: Optional for GTAW, Required for SMAW Backing or Retainer type: None
Base Metals (QW-403)
Filler Metals and Electrodes (QW-404)
P/S Number 1 clad with 8 Group No.1 and 2 to P/S Number 1 clad with 8 Group No.1 and 2 (written for P-1 pipe lined with P-8 clad)
Specification Number: AWS Classification: F-number: A-Number:
Base Metal Thickness Range Groove Welds: 3/16 to 1.1 in*. Fillet welds: Not permitted Minimum Outside Diameter
Maximum Weld Metal Thickness: Grooves: Fillets:
Groove Welds: All GTAW, 1” SMAW Fillet Welds: Not permitted *includes cladding thickness of 10% up to 0.10”
Postweld Heat Treatment (QW-407) Temperature: None Min. Holding Time: N/A
0.40” None
0.70” None
1/8” 1/8” Maximum Bead thickness: N/A N/A Supplemental Filler Metal: Optional* N/A Consumable Insert: Optional Not permitted Pulsed Power Supply: Not Permitted N/A Penetration-enhancing Flux: * Consumable Inserts conforming SFA5.30 Class 3, Classification IN317 may also be used.
Preheat (QW-406)
Positions (QW-405)
Minimum metal temp.: 50 F Interpass Temp.(Max): 350 F Preheat Maintenance: None.
Root and Fill Fill SFA 5.9* SFA5.5 ER317L E317L-15 or -16 6 5 N/A N/A
Gas (QW-408)
°
Positions permitted: All Progression when in Vertical: Uphill
°
Shielding Gas: Argon, 30 to 40 CFH Backing Gas: Argon, 15 to 40 CFH Trailing Shield: None
Electrical Characteristics (QW-409) and Related Matters Weld Layer
Process
Electrode or Filler Class Diameter Type
Current Polarity Volts
Current (a)
Travel Speed* (ipm)
Root Fill
GTAW GTAW
ER317L ER317L
3/32, 1/8 1/8, 5/32
DC DC
EN (str.) EN (str.)
N/A N/A
70 to 115 100 to160
1 to 2 2 to 4
Fill
SMAW SMAW SMAW
E317L-15 or E317L-16
3/32 1/8 5/32
DC DC DC
EP (rev.) EP (rev.) EP (rev.)
N/A N/A N/A
70 to 90 80 to 110 120 to 160
2 to 4 2 to 4 2 to 6
Other
Higher amperage is permitted when insert is used *Values are recommended only
Technique (QW-410) Tungsten Size and Type: 3/32, 1/8 EWTh-2,EWLa or EWCe Shielding Gas Cup Size: #4 (1/4” ID) to #12 (3/4” ID) Single or Multiple Pass per Side : Multiple Single or Multiple electrodes: Single Contact-tube-to-work distance (stickout): N/A Backgouging: Grinding or carbon arc followed by grinding Repair Method: Grinding. Backwelding is permitted. Stringer or Weave Bead: Either, but keep any weave small.
Initial Cleaning: Remove grease or oil with solvent. Remove cutting oxide by grinding. Interpass Cleaning: Remove slag with slag hammer, grinder or wire brush. Peening: Not permitted Other: Keep weld beads slightly convex to avoid cracking.
The undersigned contractor, a member of the National Certified Pipe welding Bureau, hereby adopts this jointly developed procedure as its Welding Procedure Specification (WPS) and certifies that this procedure has been qualified as shown on the attached Procedure Qualification Records (PQRs).
Company: B :
Date:
NCPWB W-482/5-02
WPS 1/8-32-1
Joint Designs for Joining Internally Clad Piping by Welding Preferred Weld End Preparation and Fit-up 30 to 45 Typ °
33 to 45 Typ °
P-1 Pipe Wall
R=1/8 min
R=1/8 min
P-8 Cladding 1/16 in max
3/32 to 1/8”
0 to 1/32” clearance
1/16 in max
1/16 to 3/32”
Open Root Adding ER317L Filler Metal
1/16 to 3/32”
Class 3 Consumable Insert meeting IN317L analysis
Secondary Weld End Preparation and Fit-up 30 to 45
°
P-1 Pipe Wall 3/32 to 1/8”
P-8 Cladding 3/32 in Max
0 to 1/32” clearance
Class 3 Consumable Insert meeting IN317L analysis
Third Possible Weld End Preparation and Fit-up 30 to 45
°
Tack P-1 Pipe Wall 0 to 1/16 in
P-8 Cladding 1/16 in max
3/16” Minimum
Step 3: Build up root faces using GTAW
Step 2: fit up using blocks that are tack welded to groove faces to hold root spacing
Step 4: Weld Root Pass
Procedure Qualification Record Identification of WPS followed during welding of test coupon: 1/8-32-2 Welding Process(es) used: GTAW followed by SMAW, Manual Date coupon was welded: 3-1-03 Base Metal Specification: SA-516-70 clad w/SA240 Type 317L to Base Metal Specification: Same P-Number: 1, 8 Group No: 2, 1 to P-Number: 1, 8 Group No: 2,1 Plate/Pipe Diameter: NPS 10 Sch 60 Base Metal Thickness(in.): 0.5 + 0.05 clad Joint Type: Single V-groove F-Number: 6/5 Filler metal specification: SFA 5.9 / SFA 5.4 AWS Classification: ER317L/E317L-16 A-Number: 8/8 Weld Deposit Thickness(es)(in.): 0.2/0.35 Maximum Pass Thickness: 5/32, 3/16 Filler metal size (in): 1/8, 5/32 GTA/ 3/32, 1/8 GTA Supplementary filler metal: N/A Preheat temperature (ºF): 75 Interpass temperature (ºF) 350 Welding position/progression: 5G Uphill Current Type and polarity: DCEN/DCEP Travel speed (ipm): see below Shielding gas composition, CFH: Argon, 35 Backing gas composition, CFH: Argon, 45 CFH Tungsten size/type: 1/8”, EWTh-2 GMAW transfer mode: N/A Postweld Heat treatment (ºF): None Postweld heat treatment time (hr.): N/A Stringer/Weave bead: Both Oscillation: N/A Single/Multi-pass: Multiple Single/Multi-electrode: Single Other: Weld Layer
Process
Electrode or Filler Class Dia (in)
Root Fill Fill Fill Fill
GTAW GTAW GTAW SMAW SMAW
ER317L ER317L ER317L E317L-16 E317L-16
1/8 1/8 5/32 1/8 1/8
Reduced Section Tensile Tests Specimen 1 2
Width/Dia (in.) 0.542 0.519
Bend Tests
Type
DC DC DC DC DC
X
Current Polarity Volts
Current (a)
EN (str.) EN (str.) EN (str.) EP (rev.) EP (rev.)
85 120 140 76 89 to 101
N/A N/A N/A N/A N/A
Rectangular
Thickness (in) Area (sq in.) 0.4989 0.270 0.5327 0.276
x
Side
Other
1.5 2 2 2.5 1.75 to 2
Turned
Ultimate load (lb.) 22,762 23,164
Transverse Face and Root
Travel Speed (ipm)
Ultimate Stress (psi) 84,300 83,900
28,900 kJ/in
Full Section Failure Location Base Metal, Ductile Base Metal, Ductile
Longitudinal Face and Root
Type
Results
Type
Results
Side
Acceptable
Side
Acceptable
Side
Acceptable
Side
Acceptable
Toughness Tests
Charpy Specimen Size
Test Temperature
Specimen Notch Location Ft. Lb. Lateral Expansion (mils) Percent Shear Drop Weight Break No Break 1 2 3 Weld deposit analysis: SMAW Weld, C:0.06, Mn:0.96, Si:0.38, Ni:22.79, Cr: 14.89, Mo:3.67, Cu:0.24, Nb:0.76, Ti:0.05 Other tests: HRB: CS BM 81, 81, 82. CS HAZ: 86, 85, 84. SS BM: 81, 80, 84. SS HAZ: 85, 85, 90. WM: 91, 90, 90, 90, 91, 94 Welder’s name: Dave Hintz Stamp: H2294 Welding Witnessed by: Paul Robertson, J. H. Robertson Co . Tests conducted by: Kish, C. J. Latropulos, PE, #38489 Laboratory test number: 1032019/20098 We hereby certify that the statements in this record are correct and that the test welds were prepared, welded and tested in accordance with the requirements of Section IX of the ASME Code. National Certified Company: Pipe Welding Bureau
By: Chairman, Technical Committee
Date: PQR Number 04016
