碳C
|
硅 Si
|
錳 Mn
|
硫S
|
磷P
|
鉻 Cr
|
鎳 Ni
|
0.16~0.25
|
≤1.00
|
≤1.00
|
≤0.030
|
≤0.035
|
12.0~14.0
|
≤0.60
|