QW-482 WELDING PROCEDURE SPECIFICATION (WPS)

Transcription

1 QW-482 WELDING PROCEDURE SPECIFICATION (WPS) Company Name: J.T. Thorpe & Son, Inc. By: J. Jacob Dupree, P.E., Q.C. Manager Welding Procedure Specification No.: JTT-22-STUD Revision No. 0 Date: 4/15/2009 Supporting PQR No.(s) JTT-22-PQR Revision No. 0 Date: 4/15/2009 Welding Process(es) Arc Stud Weld Type(s) Automatic (Automatic, Manual, Machine, or Semi-Auto.) JOINTS (QW-402) Joint Design Arc stud weld Backing (Yes) (No) Backing Material (Type) (Refer to both backing and retainers.) Details Metal Nonfusing Metal 3/8 inch nominal diameter round bar Nonmetallic arc stud welded perpendicular to plate or pipe Sketches, Production Drawings, Weld Symbols or Written Description Should show the general arrangement of the parts to be welded. Where applicable, the root spacing and the setails of weld groovew may be specified. (At the option of the Mfgr., sketches may be attached to illustrate joint design, weld layers and bead sequence, e.g. for notch toughness proce- dures, for multiple l process procedures, etc.) * BASE METALS (QW-403) P-No. 43 Group No. to P-No. 8 Group No. OR Specification Type and Grade to Specification Type and Grade OR Chem. Analysis and Mach. Prop. to Chem. Analysis and Mach. Prop. Thickness Range: Base Metal: Any thickness base metal Pipe Dia. Range: Groove Fillet 3/8 inch Nominal Diameter studs, Flat ceramic ferrule type * FILLER METALS (QW-404) Spec. No. (SFA) AWS No. (Class) F-N0. A-No. Size of Filler Metals Weld Metal Thickness Range: Groove Fillet Electrode - Flux (Class) Flux Trade Name Consumable Insert *Each base metal - filler metal combination should be recorded individually.

2 QW-482 (Back) WPS No. JTT-22-STUD Rev. 0 POSITIONS POSTWELD HEAT TREATMENT (QW-407) None Position(s) of Groove Temperature Range Welding Progression: Up Down Time Range Position(s) of Fillet 2S GAS (QW-408) None PREHEAT (QW-406) Percent Composition Preheat Temp. Min. 50 F Gas(es) (Mixture) Flow Rate Interpass Tetmp. Max. Preheat Maintenance Shielding (Continuous or special heating where applicable should be recorded) Trailing Backing ELECTRICAL CHARACTERISTICS (QW-409) Current AC or DC DC Polarity Reverse Amps (Range) Volts (Range) (Amps and volts range should be recorded for each electrode size, position, and thickness, etc. This information may be listed in a tabular form similar to that shown below.) Tungsten Electrode Size and type Mode of Metal Transfer for GMAW Arc Timing TECHNIQUE (QW-410) String or Weave Bead Orifice or Gas Cup Size Initial and Interpass Cleaning (Brushing, Grinding, etc.) (Pure Tungsten, 2% Thoriated, etc.) (Spray arc, short circulating arc, etc.) Sec. Grinding and Brushing Method of Back Gouging Oscillation Contact Tube to Work Distance Multiple or Single Pass (per side) Single Multiple or Single Electrodes Travel Speed (Range) Peening Power Source Model: Pro-weld ARC 1850 Gun Model: Pro-weld AG900 Heavy-duty QW Not applicable to this WPS Filler Metal Current (e.g., Remarks, Com- Travel ments, Hot Wire Weld Type Amp. Volt Speed Addition, Technique, Layer(s) Process Class Dia. Polar. Range Range Range Torch Angle, Etc.) 1 Arc Stud Weld Reverse Arc Gun lift height 3/32"

3 QW-483 PROCEDURE QUALIFICATION RECORD (PQR) (See QW-200.2, Section IX, ASME Boiler and Pressure Vessel Code) Record Actual Conditions Used to Weld Test Coupon Company Name: J.T. Thorpe & Son, Inc. Procedure Qualification Record No.: JTT-22-PQR Rev. 0 Date: WPS No. JTT-22-STUD Welding Process(es) Arc Stud Weld Types (Manual, Automatic, Semi-Auto.) Automatic 15-Apr-09 JOINTS (QW-402) Groove Design of Test Coupon (For combination qualifications, the deposited weld metal thickness shall be recorded for each filler metal or process used.) BASE METALS (QW-403) POSTWELD HEAT TREATMENT (QW-407) None Material Spec. SB-443 (Inconel 625) to SS-316L Temperature Type or Grade Time P-No. P-43 to P-No. P-8 Thickness of Test Coupon 1/8" plate Diameter of Test Coupon 3/8" diameter stud GAS (QW-408) None Percent Composition Gas(es) (Mixture) Flow Rate Shielding Trailing FILLER METALS (QW-404) Backing SFA Specification AWS Specification ELECTRICAL CHARACTERISTICS (QW-409) Filler Metal F-No. Current DC Weld Metal Analysis A-No. Polarity Reverse Size of Filler Metal Amps. 550 Volts 65 Tungsten Electrode Size Arc timing was 0.30 sec Weld Metal Thickness Arc Gun lift height factory set at 3/32" POSITION (QW-405) TECHNIQUE (QW-410) Position of Groove Travel Speed Weld Progression (Uphill, Downhill) String or Weave Bead Stud Weld Position 2S Oscillation Stud plunge length dimension was 3/16" Multipass or Single Pass (per side) Single or Multiple Electrodes PREHEAT (QW-406) Preheat Temp. 65 F Power Source Model: Pro-Weld ARC 1850 Interpass Temp. Gun Model: Pro-weld AG900 heavy duty with 3/8" round chuck and 3/8" brass single foot Flat ceramic ferrule

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