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Standard Hardness Conversion Tables for Metals ...

This international Standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. Designation: E140 12b 1. Standard Hardness Conversion Tables for Metals Relationship Among brinell Hardness , Vickers Hardness , Rockwell Hardness , Superficial Hardness , Knoop Hardness , Scleroscope Hardness , and Leeb Hardness1. This Standard is issued under the fixed designation E140; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision.

E384 Test Method for Knoop and Vickers Hardness of Materials E448 Practice for Scleroscope Hardness Testing of Metallic Materials 3. Methods for Hardness Determinations 3.1 The hardness readings used with these conversion tables shall be determined in accordance with one of the following ASTM test methods: 3.1.1 Brinell Hardness—Test Method E10.

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