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steven_sun1111 发表于 2021-1-22 14:16:39

ASTM E140-2007 硬度换算表

ASTM E140-2007硬度换算表.pdf

Standard Hardness Conversion Tables for Metals Relationship Among Brinell Hardness, Vickers Hardness, Rockwell Hardness, Superficial Hardness, Knoop Hardness, and Scleroscope Hardness

This standard is issued under the fixed designation E 140; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A superscript epsilon (e) indicates an editorial change since the last revision or reapproval.

This standard has been approved for use by agencies of the Department of Defense

JXPSCD1 发表于 2021-1-22 17:19:42

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laker 发表于 2021-1-22 18:36:45

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golfgti 发表于 2021-1-22 21:40:39

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pdcicbt 发表于 2021-1-22 21:43:02

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garywong 发表于 2021-1-23 08:22:56

{:1_180:}谢谢分享

bfw 发表于 2021-1-23 09:31:31

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zx890420 发表于 2021-1-23 09:50:34

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billye 发表于 2021-1-23 10:45:51

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叶太平 发表于 2021-1-23 10:48:15

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