
Steels For Flame-hardening And Induction-hardening - Quality Specifications
出版:European Committee for Iron & Steel Standardization

專家解讀視頻
1970 [01/03/1970]
BS 970-1(1983) : 1983 - Similar to
NEN EU 86 : 1986 - Identical
NFA 35 563 : 1983 - Similar to
DIN 17212 : 1972 - Similar to
BS 970-1(1983) : 1983 - Similar to
DIN 17212 E : 1972 - Identical
NFC 28 920:1987 - Equivalent
NEN EU 86:1986 - Identical
DIN 17212 (1972-08) - Identical
BS 970-1:1983 - Similar
NFA 35 563:1983 - Similar