Process of carburizing and carbonitriding, quenching and tempering of iron and steel
钢铁的渗碳、碳氮共渗、淬火和回火工艺
2002-01-01
GB/T 34889-2017
钢件的渗碳与碳氮共渗淬火回火
Carburizing or carbonitriding,quenching and tempering of steel parts
2017-11-01
HB 5492-2011
航空钢制件渗碳、碳氮共渗金相组织分级与评定
Grading and evaluating for carburizing and carbonitriding structure of aircraft steel parts
2011-07-19
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