[MW:22871] Acceptance of PMI

PMI results should be considered only for validation and not as acceptance. If any doubt in chemical composition grind off few sample and send it to lab for chemical analysis.

Regards 

Mohan

On Friday, February 13, 2015, Saravanan Sornam <saravanshyla@gmail.com> wrote:

Dear Experts,

based on the below conversation, 

incase a fabricator owns a PMI machine,

what will be the Tolerance for chemical elements ( base metal and Weld metal )  and what is the accuracy level for calibrating the PMI machine.

Regards,

Saravanan

On Fri, Feb 13, 2015 at 12:37 PM, pradip kumar Sil <pradipsil@gmail.com> 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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Regards
Mohankumar

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