鋼號
C
Si
Mn
P≤
S≤
Cr
其他
SCMnH1
0.90~1.30
—
11.0~14.0
0.100
0.050
—
—
SCMnH2
0.90~1.20
≤0.80
11.0~14.0
0.070
0.070
—
—
SCMnH3
0.90~1.20
0.30~0.80
11.0~14.0
0.050
0.050
—
—
SCMnH11
0.90~1.30
≤0.80
11.0~14.0
0.070
0.070
1.50~2.50
—
SCMnH21
1.00~1.35
≤0.80
11.0~14.0
0.070
0.070
2.00~3.00
V0.40~0.70
C
Si
Mn
P≤
S≤
Cr
其他
SCMnH1
0.90~1.30
—
11.0~14.0
0.100
0.050
—
—
SCMnH2
0.90~1.20
≤0.80
11.0~14.0
0.070
0.070
—
—
SCMnH3
0.90~1.20
0.30~0.80
11.0~14.0
0.050
0.050
—
—
SCMnH11
0.90~1.30
≤0.80
11.0~14.0
0.070
0.070
1.50~2.50
—
SCMnH21
1.00~1.35
≤0.80
11.0~14.0
0.070
0.070
2.00~3.00
V0.40~0.70