牌号
|
化学成分(重量百分比)
Chemicail composition(WT%) |
||||
碳
(C) |
锰
(Mn) |
硅
(Si) |
硫
(S) |
硫
(S) |
|
Q215
|
0.09-0.15
|
0.25-0.55
|
≦0.30
|
(A级)≦0.045(B级)
|
≦0.045
|