Hardened & Tempered High Carbon Steel Strip

C

Mn

P

S(Max)

Si(Max)

Cr

Ni

S70C

0.65~0.75

0.6~0.9

≤0.03

≤0.035

0.15~0.35

≤0.2

≤0.2

S75C

0.70~0.80

0.6~0.9

≤0.03

≤0.035

0.15~0.35

≤0.2

≤0.2

SK-2

1.10~1.30

≤0.5

≤0.03

≤0.030

≤0.35

≤0.2

≤0.25

SK-3

1.00~1.10

≤0.5

≤0.03

≤0.030

≤0.35

≤0.2

≤0.25

SK-4

0.90~1.00

≤0.5

≤0.03

≤0.030

≤0.35

≤0.2

≤0.25

SK-5

0.80~0.90

≤0.5

≤0.03

≤0.030

≤0.35

≤0.2

≤0.25

SKS-5

0.75~0.85

≤0.5

≤0.03

≤0.030

≤0.35

0.2~0.5

0.7~1.3

SKS-51

0.75~0.85

≤0.5

≤0.03

≤0.030

≤0.35

0.2~0.5

1.3~2.0

50CRV4

0.47~0.55

0.65~0.95

≤0.035

≤0.030

0.15~0.35

0.8~1.1

-

SK-3, SK-4, SK-5, S55C, S60C, S70C, SKS-5, SKS-51

SAE,AISI

1070, 1075, 1078, 1080, 1085, 1090

DIN

C50S, C75S, C80S, C95S, 50CrV4, 51CrV4