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Pa <br /> Welding Procedure Specification <br /> AWS D1.1-2010 I D1.8-2009 <br /> °JPS No. Skanska-Boeing-40-56-05 Revision 1 Date By I <br /> Authorized By Will Bowden Date 8-01-2015 Prequalified 2 <br /> JVelding Process(es) FCAW Type: Manual ❑ Machine Li Semi-Autos Auto ❑ <br /> Supporting PQR(s) <br /> JOINT <br /> Type TC-U4a-GF <br /> Backing Yes 0 No ❑ Single Weld I J' Double Weld❑ <br /> Backing Material all prequalified j <br /> NS , <br /> Root Opening 3/8 Root Face Dimension 0 �� _' <br /> Groove Angle 30 Radius (J-U) na <br /> Back Gouge Yes ❑ No [] <br /> Method na Skanska USA Building <br /> BASE METALS D1.1 D1.1 POSITION <br /> Material Spec. Table 3.1 to Table 3.1 Position of Groove Flat Fillet na <br /> Type or Grade Group all to Group I&II Vertical Progression: 7 Up ❑ Down <br /> Material Groove (in) Unlimited - Unlimited ELECTRICAL CHARACTERISTICS <br /> Thickness: Fillet (in) all - all Transfer Mode (GMAW): <br /> Diameter (Pipe, in) 24"+ - 24"+ Short-Circuiting ❑ Globular ❑ Spray 'L <br /> FILLER METALS Current: AC ❑ DCEP ❑ DCEN E] Pulsed ❑ <br /> AWS Specification A5.20 Other na <br /> AWS Classification E71T-8 Tungsten Electrode (GTAW): <br /> Size na Type na <br /> SHIELDING TECHNIQUE <br /> Flux Gas na Stringer or Weave Bead Stringer <br /> na Composition na Multi-pass or Single Pass (per side) either <br /> Electrode-Flux(Class) Flow Rate na Number of Electrodes 1 <br /> -..._ na - Gas Cup Size na Electrode Spacing: Longitudinal na <br /> PREHEAT D1.1 Table 3.2 Lateral na <br /> Preheat Temp.; Min. -- 32F Angle na <br /> _Thickness Up to 3/4"_ Temperature 32F _ Contact Tube to Work Distance 1/2-1" <br /> Over 3/4"to 1-1/2" 50F Peening none <br /> Over 1-1/2"to 2-1/2" 150F Interpass Cleaning slag hammer/wire brush <br /> Over 2-1/2" 225F POSTWELD HEAT TREATMENT PWHT Required ❑ <br /> Interpass Temp., Min. 32F Max. 500F Temp na Time na <br /> WELDING PROCEDURE <br /> Layer/Pass Process Filler Metal Class Diameter Cur.Type Amps volts travel ipm <br /> all FCAW E71T-8 .072 DCEN 200-250 19-21 8-13 <br /> all FCAW E71T-8 5/64 DCEN 225-285 20-24 9-14 <br /> k <br /> I 1 1 <br />