Welding Procedure Specification (WPS) (ASME SEC-IX QW-482) Company TECHNO WEIGHSYSTEMS PVT. LTD WPS No : TWS / WPS/ 02 Rev.0 Date : 23.03.2018 Supporting PQR No : TWS / PQR / 02 Rev -0 Date : 23.03.2018 Sht 1 of 2 Welding Process : GMAW Type : Semi Automatic JOINT DESIGN(QW-402): Joint Details Squre Groove √ Single bevel Groove Socket Backing(Yes/No): YES Backing Material: Metal √ Nonfusing Metal Nonmetallic Other BASE METAL(QW-403): P.No. 1 Group No. 1 To P.No. 1 Group No. 1 OR Specification,type, and grade IS-2062 E250 BR to Specification type, and grade IS-2062 E250 BR OR Chemical Analysis,and Mechanical properties : to Chemical Analysis,and Mechanical properties : Thickness Range: Base Metal: Groove- 1.5 mm - 24 mm Fillet - All Pipe Dia. Range: Groove- All Fillet - All Others: NIL FILLER METALS(QW-404): Parameter Root & Hot Pass Filler & final pass Spec. No.(SFA) 5.18 5.18 AWS No.(Class) ER70S6 ER70S6 F.No. 6 6 A.No. 1 1 Size of Filler Metals 0.8 mm 0.8 mm Weld Metal : Groove 1.5-24 mm max 1.5-24 mm max Thickness Range Fillet ALL ALL Electrode Flux (Class) NA NA Flux Trade Name NA NA Consumable Insert Nil Nil Other: Each Base Metal - Filler Metal Combination Should be Recorded Individually Welding Procedure Specification (WPS) (ASME SEC-IX QW-482) Company TECHNO WEIGHSYSTEMS PVT. LTD WPS No : TWS / WPS/ 02 Rev.0 Date : 23.03.2018 Supporting PQR No : TWS / PQR / 02 Rev -0 Date : 23.03.2018 Sht 2 of 2 Welding Process : GMAW Type : Semi Automatic POSITIONS(QW-405): POST WELD HEAT TREATMENT(QW-407): Position of Groove - 1G Heating Rate - N/A Welding Progression - √ Uphill Downhill Holding Temperature Range - N/A Position of Fillet - All Holding Time Range - N/A Others NIL Cooling Rate - N/A Others - N/A `` PREHEAT(QW-406): GAS(QW-408): %Comp. of Gas(es) Flow Rate Preheat Temperature(Min.) : Ambient mixture Interpass Temperature(Max.) : 250º C Shielding Argon + CO2 90%+10% 10-14 LPS Preheat Maintenance - Nil Trailing N/A N/A Backing N/A N/A Purging up to Hot Pass Nil ELECTRICAL CHARACTERISTICS(QW-409): Voltage Current AC or DC Polarity - DCEN Ampere Range: DC Range: 160-220 Amps 20-40 volts Tungeston Electrode Size and Type - NA Mode of Metal transfer for GMAW - Spray Arc Electrode/Wire feed speed range - NA TECHNIQUE(QW-410): Stringe or Weave Bead - String Bead for root and Wavie for filler pass Orifice or Gas Cup Size - NA Initial and Interpass Cleaning(Brushing,Grinding,etc.) - Wire Brushing or Grinding or both Method of Back Gouging - Grinding Oscillation - N/A Contact Tube to Work Distance - N/A Multiple or Single Pass(per side): Mulitple Multiple or Single Electrode - Single Travel Speed Range - 150-200 mm/Min Peening - N/A Others - Post welding cleaning shall be done by applying brush grinding only. Filler Metal Current Voltage Weld Pass No. Process Diameter Type & Ampere Travel Speed Range REMARK Class Range mm Polarity Range Root Pass GMAW ER70S6 0.8 DCEN 160-180 20-30 180 -200 mm/min Hot Pass GMAW ER70S6 0.8 DCEN 160-190 20-30 180 -200 mm/min Final Pass GMAW ER70S6 0.8 DCEN 160-200 20-30 180 -200 mm/min After backchip Final Pass GMAW ER70S6 0.8 DCEN 180-220 20-30 180 -200 mm/min TECHNO WEIGHSYSTEMS PVT. LTD Prepared and Accepted By Sign. Approved By Sign. NAME NAME DESN. DESN. DATE DATE Procedure Qualifiaion Record (ASME SEC-IX ) Company TECHNO WEIGHSYSTEMS PVT. LTD PQR No : TWS / PQR / 02 Rev - 0 Date : 23.03.2018 WPS No: TWS / WPS / 02 Rev - 0 Date : 23.03.2018 Welding Process GMAW Type : SEMI-AUTO JOINTS (QW-402) Joint Details Groove Design of Test Coupon (For combination the deposited weld metal thickness shall be recorded for each filler metal or process used) BASE METALS (QW-403) POST WELD HEAT TREATMENT (QW-407) Material Spec. IS-2062 E250 BR Heating Rate : N/A Type or Grade : Holding Temperature Range : N/A P. No. 1 to P No: 1 Holding Time Range: N/A Thickness of Test Coupon 12 mm Cooling Rate : N/A Diameter of Test Coupon NA Others : N/A Others : N/A GAS (QW-408) Percent Composition FILLER METALS (QW-404) Root & Hotpass Others (Gases) (Mixture) (Flow Rate) Spec. No. ( SFA ) 5.18 5.18 Sheilding Argon + 'Co2 90%+10% 10-14 LPS AWS No. (Class) ER70S6 ER70S6 Tracking ----- ------- ------ Filler Metal F. No. 6 6 Backing ----- ----- ----- A. No. 1 1 Purging up to Hot pass ----- Size of Filler Metals 0.8 mm 0.8 mm ELECTRICAL CHARACTERISTICS (QW-409) Weld Metal thickness 13 mm max Current DC Others ---- ---- Polarity DCEN POSITION (QW-405) Tungsten Electrode size NA Position of Groove 3G Others : N/A Weld Progression (uphill/downhill) N/A TECHNIQUE (QW-410) Others : N/A String and wavey bead Orifice or Gas Cup size : 15 - 20 mm PRE-HEAT (QW-406) Initial and Interpass Cleaning : Wire brushing or grinding or both Pre-heat Temp: Ambient Multipass of single pass (per side) Multipass Interpass Temp. 250⁰C max Single or Multiple Electrode Single Travel Speed Range : 100-200 mm / min Pre heat Maintenance : NIL Peening : N/A TENSILE TEST (QW-150) Report No: AL37/N/W1 Dt. 23.03.2018 THICKNESS AREA ULTIMATE TOTAL ULTIMATE UNIT SPECIMEN NO WIDTH (mm) (mm) (mm2) LOAD (KN) STRESS(N/mm2) TYPE OF FAILURE & LOCATION T1 19.00 11.98 227.62 146240.00 642.47 Broken from Weld metal T2 19.02 11.95 227.2 145320.0 639.36 Broken from Weld metal GUIDED BEND TEST (QW-160) Report No AL37/N/W1 Dt. 23.03.2018 RESULT TYPE & FIG. NO RESULT R1 (ROOT BEND) SATISFACTORY F1 (FACE BEND) SATISFACTORY R2 (ROOT BEND) SATISFACTORY F2 (FACE BEND) SATISFACTORY TOUGHNESS TEST (QW-170) Report No: IMPACT VALUES DROP WEIGHT TEST NOTCH LOCATION SPECIMEN SIZE TEST TEMP. %SHEAR JOULES BREAK NO BREAK Parent Metal ---- ---- ---- ---- ---- ---- Weld ---- ---- ---- ---- ---- ---- HAZ ---- ---- ---- ---- ---- ---- N/A OTHER TESTS Radiography NA Date TYPE OF TEST Harness Test Parent Metal (BHN) NA NA NA Weld (BHN) NA NA NA HAZ (BHN) NA NA NA DEPOSIT ANALYSIS N/A OTHERS N/A WELDER NAME : B N Ojha STAMP NO.--- TEST CONDUCTED BY : ADVANCE METALLURGICAL SERVICES Report No : AL37/N/W1 Dt. 23.03.2018 WE CERTIFY THAT THE STATEMENT IN THIS RECORD ARE CORRECT AND TEST WELDS WERE PREPARED WELDED AND TESTED IN ACCORDANCE WITH THE REQUIREMENTS OF SECTION IX OF ASME CODE. DATE _____________________________ MANUFACTURER : TECHNO WEIGHSYSTEMS PVT. LTD By : TECHNO WEIGHSYSTEMS PVT. LTD Prepared and accepted by Sign. Approved By : Sign. NAME NAME DESN. DESN. DATE DATE