易切削
结构钢GB/T8731Y15PbASTM A29M
ASTM A108M
12L14
12L14DIN 16519SMnPb28易切削
结构钢GB/T8731Y12ASTM A29M
ASTM A108
1211
G12110(UNS)
(1211)DIN 165110S20易切削
结构钢GB/T8731Y12PbASTM A29M
12L13DIN 165110SPb20易切削
结构钢GB/T8731Y15ASTM A29M
ASTM A108
1213
G12130(UNS)
(1213)DIN 165110S20易切削
结构钢GB/T8731Y15PbASTM A29M
ASTM A108M
12L14
12L14DIN 16519SMnPb28
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