Re: [MW:22873] Acceptance of PMI

For the tolerance on obtained element analysis below standards with relevant para may be referred to resolve the issue.

1. ASME Sec I - Appendix B, para B8.2  (± 10% of standard figure)

2. ASTM A 751 (Tolerance on product analysis) 

3. PFI ES 24 (Para 9.3.1 & 9.3.2).- (± 10 for Base metal & ±12.5 for weld metal)

Regds/Jignesh

On Friday, 13 February 2015 09:41:49 UTC+5:30, pradipsil wrote:

Follow PFS standard, 10% bilateral tolerance on parent material & 12.5 % tolerance  on weld material. 

Chk composition on ASME SEC II

On Fri, Feb 13, 2015 at 5:12 AM, Mohit Aggarwal <aggarwalmohit05@gmail.com> wrote:

Dear Experts,

We have done PMION weld joint of INCONEL625 i.e. ENiCrMo-3
Found
Ni -61, Cr-24.6, 25.6, Mo-8.5, Nb -3.37,

Now, As per procedure & code i. e.
Sec II C Cr range is 20-23 given
all other elements are in range.
And PMI analyzer also display Inconel 625.
Please confirm whether it is acceptable or not i.e. chromium %

Best Regards,
Mohit Aggarwal.

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