1) Prepare WPS in conformance with 3.12.2 2) Refer AWS B2.1 XXXX-XX for SWPS 3) Refer Annexure E for Sample WPS & PQR
4) Refer Table 3.1 for essential variables for Procedure Qualification 5) Refer Table 3.2 for ‘M’ No. grouping of metals
6) Refer Table 3.3 for position Qualified - (Procedure Qualified in groove weld also qualifies pipe over 24” dia)
7) Refer Table 3.4 (CJP) & 3.5 ( PJP) for No. of test specimen required and thickness Qualified 8) Refer Table 4.1 for available Aluminum alloys 9) Refer Table 4.2 for filler wire Recommendations for various materials 10) Refer table 4.4 for Technique(like Maximum Single bead Weave Width) 11) Refer 3.16 for Retest 12) Refer 3.3.2 for acceptance criteria of Visual Examination 13) Refer AWS 5.10 for Filler Wires
14)
Refer Annexure J for tungsten electrode ( or AWS 5.12)
15) Refer Fig. 3.3 for Groove Welds in Plates 16) Refer Fig. 3.4 for Groove Welds in 17) Tests a) Visual Examination – Essential for WPS & WPQ b) Tension – for WPS only
c) Bend Test for WPS & WPQ (except 3.5.3-RT can be used in conformance with SEC. V part B & part D)
Important Variables in WPS 1) Group No. (M No.) of Base Material (table 3.2, D1.2 -4.2 ) 2) F-No. of Filler Metal (D1.2 4.3)
3) Range of Pre.& Post heat Treatment
4) Thickness 5) Diameter 6) Method of Cleaning 7) No. of layers Welded
Performance Qualification
1) Qualify Welders in conformance with AWS D1.2 Part D 2) Refer 3.6.2 for Visual Examination
3) Refer 3.20,3.21 and 3.22 for essential variables 4) Refer Table 3.7 for Position Qualified 5) Refer Table 3.8 for No. of test required and thickness qualified for welder qualification (test on groove weld also qualifies fillet of all thickness.)
6) Refer Table 3.9 for welder qualification essential variables 7) Refer Fig. 3.25,3.26 and 3.27 for joint Details Note 1. Please check the materials you are using are Statically Loaded or Cyclically Loaded. By
