This standard specifies the method for determining the depth of hardened layer of carburized or carbonitrided sintered iron-based materials by microhardness test method. This standard applies to quenched iron-based sintered materials.
GB/T 9095-2008 Referenced Document
ISO 4498:2005 Sintered metal materials, excluding hardmetals - Determination of apparent hardness and microhardness
GB/T 9095-2008 history
2008GB/T 9095-2008 Sintered ferrous materials,carburized or carbonitrided-Determination and verification of case-harding depth
1988GB/T 9095-1988 Measurement on the carburizing or nitro-caburizing harden case depth of sintering iron-based material