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  • Users: Weldeng13
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  1. Weldeng13

    Cold repair on 4130, F22 and similar alloys

    thread725-386609 I was searching for some information on 8630 and this post came up (the linked one) and I do not think the whole story is told and understood. The DNV person in the background discussion was correct in a cold repair qualified on 4130 is only good for a clad repair on 4130...
  2. Weldeng13

    4130 Weld Overlay/Clad PWHT time for WPS based on ASME Section 8 Div 1 UW-40 (f)(5)(h)

    Hello, I have a qualified a stainless steel 309L/316L corrosion resistant overlay that is 9/32 inch thick on 4130 to NACE MR0175 and API 6A and 16A (ASME IX) with the appropriate chemistry, sub 250 HV10 hardness and base metal tensile/CVN testing to prove the base still met acceptable values...

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