ASTM A106 Gr B Hardness Reference value

  • Hardness Testing (HT)

    charlie

    Member
    28/11/2021 at 1:59 pm

    I looked at a few MTRs we had on file for ASTM A 106 Grade B pipe and saw a range of hardnesses from 73 to 77 HRB. It appears that the specification allows a maximum hardness of up to 100 HRB. I hope that this info is helpful to you.

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