Hardness acceptance

[Saurabh Jain]

Hello,

Can anyone confirm Hardness acceptance criteria & code requirements for SS to inconnel PQR.

We are following ASTM E92, and considering 310 HV max average, with no single value above 320 HV. 

Is this okay for 316 to 6625 material?

Regards 

Saurabh Jain

[Harish Kannepalli]

Hi Saurabh ji,

     If this pqr is for oil & gas, please follow NACE MR0175 part 3.

Regards,

Mr. Harish.

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