C

Cr

Mo

V

Ni

Mn

Co

W

Cr1

GCr15

0.95

-1.05

1.3

-1.65

≤0.4

Work roll of Cold mill

Straightenning roll

Pinch roll

9CrV

0.85

-0.95

1.4

-1.7

0.1

-0.25

≤0.25

42CrMo

0.38

-0.45

0.9

-1.2

0.15

-0.25

Work roll

Backup roll 

for Hot rolling   mill

60CrMo

0.55

-0.65

0.5

-0.8

0.3

-0.4

60CrMnMo

0.55

-0.65

0.8

-1.2

0.3

-0.4

0.7

-1.0

60CrMoV

0.55

-0.65

0.9

-1.2

0.3

-0.4

0.15

-0.35

Straightenning roll

Pinch roll

Cr2

9Cr2Mo

0.85

-0.95

1.7

-2.1

0.2

-0.4

Work roll, 

Middle roll, 

Backup roll 

for Cold Rolling mill

86CrMoV7

0.82

-0.9

1.8

-2.2

0.2

-0.4

0.1-0.2

9Cr2MoV

0.85

-0.95

1.7

-2.1

0.2

-0.3

0.1-0.2

Cr3

9Cr3Mo

0.85

-0.95

2.5

-3.5

0.2

-0.4

Work roll, 

Middle roll, 

Backup roll 

for Cold Rolling mill

(high quenching, 

   deep hard layer)

MC3A

0.8

-0.88

2.8

-3.2

0.4

-0.6

0.05

-0.12

0.6

-0.8

MC3B

0.82

-0.9

2.7

-3.1

0.1

-0.3

0.05

-0.12

0.2

-0.4

70Cr3Mo

0.6-0.75

2.0

-3.5

0.25

-0.6

Work roll, 

Middle roll, 

Backup roll 

for Hot Rolling mill

(high quenching, 

   deep hard layer)

70Cr3NiMo

0.6

-0.8

2.0

-3.0

0.25

-0.6

0.4

-0.6

Cr5

MC5

0.82

-0.9

5

-5.4

0.2

-0.4

0.1

-0.2

0.3

-0.5

Work roll 

for Cold Rolling mill

(high quenching, 

   deep hard layer)

MC5A

0.77

-0.84

5

-5.4

0.3

-0.5

0.1

-0.2

0.3

-0.5

Cr12

Cr12MoV

1.45

-1.7

11

-12.5

0.4

-0.6

0.15

-0.3

Work roll,

Middle roll 

for Multi-roll Rolling mill

Cr12Mo1V1

1.4

-1.6

11

-13

0.7

-1.2

≤1.1

≤1.0

Cr12MoVCo

1.4

-1.6

11

-13

0.8

-1.2

0.75

-0.95

0.3

-0.5

W steel

W6Mo5Cr4V2

0.8

-0.9

3.8

-4.0

4.5

-5.5

1.75

-2.25

5.5

-6.75

Work roll 

for Multi-roll Rolling mill

W12Cr4V5Co5

1.5

-1.6

3.75

-5.0

≤1.0

4.5

-5.25

4.75

-5.25

11.75

-13