烧结铁基制品 碳氮共渗层深度的金相法测定
Metallographic method of measurment on the carbunitrided harden case depth of sintering iron-based material
2010-02-21
GB/T 9095-2008
烧结铁基材料渗碳或碳氮共渗层深度的测定及其验证
Sintered ferrous materials，carburized or carbonitrided - Determination and verification of case-harding depth
2008-08-11
UNE-EN ISO 4507-2007
Sintered ferrous materials, carburized or carbonitrided - Determination and verification of case-hardening depth by a micro-hardness test (ISO 4507:2000)
渗碳或碳氮共渗的烧结铁材料.用显微硬度试验测定和验证表面硬化深度（ISO 4507-2000）
2007-10-10
DIN EN ISO 4507
Sintered ferrous materials, carburized or carbonitrided - Determination and verification of case-hardening depth by a micro-hardness test (ISO 4507:2000)
渗碳或碳氮共渗的烧结铁材料.用显微硬度试验测定和验证表面硬化深度（ISO 4507-2000）；德文版EN ISO 4507:2007