ISO 683-1:1987被替代
Heat-treatable steels, alloy steels and free-cutting steels Part 1: Direct-hardening unalloyed and low-alloyed wrought steel in form of different black products
出版：International Organization for Standardization
專家解讀視頻
NFA 36 205:1982 - Similar
NFA 35 552:1986 - Similar
NFA 35 553:1987 - Similar
NFA 35 554:1982 - Similar
BS 970-1:1983 - Similar
NFA 36 010:1980 - Similar
JIS G 4051:2005 - Identical
JIS G 4052:2003 - Identical
JIS G 7501:2000 - Identical
KS D 3752:2007 - Modified
