REGARD HARDNESS ( Code need )

Dear all

Plz help. I want to know the required hardness range of weld metal, base metal and HAZ area after heat treatment as per code.

Thank you…

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Which code and what kind of material ? Please specify

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Hi…you may refer to API RP 577. The hardness limits currently recommended for steels in refinery process service are listed in Table 11.

Regards,

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Check NACE MR 0175

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Hello @Dinesh, hardness test follow project specification.
I have some guideline in procedure, production survey, … in the following topic:

As @Aravind_km commements, I agreed with him and almost my topics refer this specification, NACE MR0175 and NACE MR0103.

Other standards:

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