钢材
|
碳C
|
铬Cr
|
钴Co
|
氮N
|
锰Mn
|
钼Mo
|
镍Ni
|
磷P
|
硅Si
|
硫S
|
钨W
|
钒V
|
HRC
|
440C
|
1.00
|
17.50
|
-
|
-
|
0.50
|
0.50
|
-
|
0.04
|
0.30
|
0.03
|
-
|
-
|
58-60
|
Tel: