DIN EN ISO 4507-2007 渗碳或碳氮共渗的烧结铁基材料.通过显微硬度试验测定和验证表面硬化深度
Sintered ferrous materials, carburized or carbonitrided - Determination and verification of case-hardening depth by a micro-hardness test (ISO 4507:2000)English version of DIN EN ISO 4507:2007-05
This International Standard specifies methods for derermining the case-hardening depth of carburized or
carbonitrided sinterde ferrous materials by micro-hardness measurement.
The methods are adapted to materials having porosity and only apply to quenched materials.