- #1
manmeet123
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Please can anyone help me to understand, is ASTM 668 is equivalent with AISI 4340.
In AISI 4340 Hardness values are restricted upto 35 HRC , whereas ASTM 668 hardness values are upto 38 HRC.
waiting for replies. Please help me out.
In AISI 4340 Hardness values are restricted upto 35 HRC , whereas ASTM 668 hardness values are upto 38 HRC.
waiting for replies. Please help me out.