DS DS/EN ISO 4507
DS DSEN SO 4507 2007-MAR-05 Sntered ferrous materals carburzed or carbontrded - Determnaton and verfcaton of case-hardenng depth by a mcro-hardness test
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This Standard specifies methods for determining the case-hardening depth of carburized or
carbonitrided sintered ferrous materials by micro-hardness measurement.
The methods are adapted to materials having porosity and only apply to quenched materials.