ASTM A 681 – 94 International standard

Standard Specification for Tool Steels Alloy1

This trendy is issued beneath the fixed designation a 681; the quantity right now following the designation suggests the 12 months of unique adoption or, within the case of revision, the yr of closing revision. Various in parentheses indicates the year of closing reapproval. A superscript epsilon (e) suggests an article trade since the final revision or reapproval.
This trend has been approved to be used by means of groups of the department of protection.

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You can also get ASTM A 679 A 679M – 00 International standard

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