daelim 发表于 2014-5-14 13:45:40

ASTM E140 - 12be1

ASTM E140 - 12be1 Standard Hardness Conversion Tables for Metals Relationship Among Brinell Hardness, Vickers Hardness, Rockwell Hardness, Superficial Hardness, Knoop Hardness, Scleroscope Hardness, and Leeb Hardness

lotus999 发表于 2014-5-14 13:45:41

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