耀日

钢号

C碳

Si硅

Mn锰

P磷≤

S硫≤

Cr铬

Ni镍

其他

1

S50C-CSP

0.47-0.53

0.15-0.35

0.60-0.90

0.030

0.035

≤0.20

≤0.20

Cu≤0.30   Cr+Ni≤0.35

2

S55C-CSP

0.52-0.58

0.15-0.35

0.60-0.90

0.030

0.035

≤0.20

≤0.20

Cu≤0.30   Cr+Ni≤0.35

3

S60C-CSP

0.55-0.65

0.15-0.35

0.60-0.90

0.030

0.035

≤0.20

≤0.20

Cu≤0.30

4

S65C-CSP

0.60-0.70

0.15-0.35

0.60-0.90

0.030

0.035

≤0.20

≤0.20

Cu≤0.30

5

S70C-CSP

0.65-0.75

0.15-0.35

0.60-0.90

0.030

0.035

≤0.20

≤0.20

Cu≤0.30

6

SK85-CSP

0.80-0.90

≤0.35

≤0.50

0.030

0.030

≤0.30

≤0.25

Cu≤0.25

7

SK55-CSP

0.90-1.00

≤0.35

≤0.50

0.030

0.030

≤0.30

≤0.25

Cu≤0.25

8

SUP10-CSP

0.47-0.55

0.15-0.35

0.65-0.95

0.035

0.035

0.80-1.10

-

V0.15-0.25   Cu≤0.30