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  • Users: qalab
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  1. qalab

    Narrow Groove welding technical details.

    Hello, I'm working on Narrow Groove Welding of Carbon Steel for pressure Vessels (SA 516 Gr. 70) I donot want to go for Backing strip method. Hence prefer the Back gouging method. Wanted to know from where can i get the Groove design detail and the consumable detail along with the current and...
  2. qalab

    projection welding of ss 409 to sa 213 t11

    please can anybody help me with the parameter setting for projection welding of SS409 to SA213 T11 fin thiclness - 2 mm tube thickness - 4 mm
  3. qalab

    welder performance qualification as per ASME SECTION IX

    As per earlier code, when welder was qualified on 3/4" and above,base metal thickness qualified was max. to be welded. Now as per latest code ,if welder welds 1/2" and above, qualification range is maximum to be welded. if we have qualified welder on 16 mm thick plate before the new code came...

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