
HEAT TREATED STEELS, ALLOY STEELS AND FREE CUTTING STEELS - VALVES STEELS FOR INTERNAL COMBUSTION ENGINES
出版:International Organization for Standardization

专家解读视频
This part of ISO 683 applies to the grades of wrought high-alloy materials listed in table 1. These valve materials are used for intake and exhaust valves in reciprocating internal combustion engines.
NFA 35 579 : 1997 - Similar to
BS 970-4(1970) : 1970 - Similar to
DIN 17480 E : 1992 - Similar to
UNE 36022 : 1991 - Identical
NFA 35 579 : 1997 - Similar to
DIN 17480 : 1992 - Similar to
BS 970-4(1970) : 1970 - Similar to