9. 低淬透性含钛优质碳素结构钢(YB/T 2009—1981)

(1)低淬透性含钛优质碳素结构钢的化学成分(表2-109)表2-109低淬透性含钛优质碳素结构钢的化学成分牌号化学成分/%碳硅≤锰≤钛磷≤硫≤55Ti60Ti70Ti0.51～0.590.57～0.650.64～0.730.250.300.350.230.230.280.03～0.100.03～0.100.04～0.120.0400.0400.0400.040 ......（本文共 1169 字 ）     [阅读本文] >>