Sintered metal materials, excluding hardmetals — Determination of apparent hardness — Part 2: Case-hardened ferrous materials, surface enriched by carbon or carbon and nitrogen
Applies to sintered materials which have been heat treated in such a way that hardness is not uniform in the section to a depth of 5 mm below the surface (by treatments such as carburizing, carbonitriding, nitrocarburizing or sulphidizing). Gives principle, apparatus, sampling and preparation of test pieces, test requirements, expression of results and test report.t.
Life cycle
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WITHDRAWN ISO 4498-2:1981 95.99
Withdrawal of Standard 13 qer 2005
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