PWHT is followed spec, and WPS should be shown hardness test value.
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| From: RKD Sent: Sunday, February 10, 2019 17:52 To: Materials & Welding Reply To: materials-welding@googlegroups.com Subject: [MW:29073] Hardness for SA516 Grade 70 |
For a pressure vessel designed with stamped under ASME VIII Div.1, there is a requirement that: "Hardness values should not exceed 200 brinell for the welds / material of shell."
Shell material is specified as SA516 Grade 70.
I am concerned the requirements for hardness and material will automatically require stress relief for all pressure vessel parts.
Would SA516 Grade 70 have hardness lower than 200 Brinell?
Thank you.
Regards,
RKD
https://materials-welding.blogspot.com/
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