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WPS as per QW420.2

WPS as per QW420.2

WPS as per QW420.2

(OP)
Refer to ASME BPVC Section IX, 2007 Edition Para QW-420.2, state that:

  1. "material procedure qualification testing was done using
material
  assigned an S-Number or S-Number Group Number, the range qualified
is
  limited to materials that are assigned S-Numbers or S-Numbers Group
Numbers"
  2. "material under ASTM specification shall be considered to have
- Hide quoted text -
the
  same S-No or S-No plus Group No as that of the P-No or P-No plus
Group No
  assign to the same grade or type material in the corresponding ASME
  specification"

Refer to ASME BPVC Section IIA, 2007 Edition Para Forward ASTM A-515
2003
Edition is identical with SA-515 2007 Edition.


My question is: May I using WPS that have been qualified with A-515 Gr.
70
to production weld for material SA-516 Gr. 70 without re-qualification
New
WPS?

Note: All of essential variable of WPS are compliance with production
weld

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