
Heat-treatable steels, alloy steels and free-cutting steels Part 11: Wrought case-hardening steels
出版:International Organization for Standardization

专家解读视频
SS 14 13 70:1980 - Similar
JIS G 7503:2000 - Identical
JIS G 4052:2003 - Identical
JIS G 4051:2005 - Identical
UNI 8788:1985 - Similar
DIN 17210 (1986-09) - Similar
BS 970-1:1983 - Similar
NFA 35 551:1986 - Similar