Alloy chilled cast iron rolls

Alloy chilled cast iron rolls

chemical Analysis

Designation

Matenal code

C

Si

Mn

Ni

Cr

Mo

NiCrMo chilled cast iron rollsⅠ

CCⅠ

3.00-3.40

0.30-0.80

0.20-1.00

0.50-1.00

0.20-0.60

0.20-0.60

NiCrMo chilled cast iron rollsⅡ

CCⅡ

3.00-3.40

0.30-0.80

0.20-1.00

1.10-2.00

0.30-1.20

0.20-0.60

NiCrMo chilled cast iron rollsⅢ

CCⅢ

3.00-3.40

0.30-0.80

0.20-1.00

2.10-3.00

0.50-1.50

0.20-0.60

NiCrMo chilled cast iron rollsⅣ

CCⅣ

3.00-3.40

0.30-0.80

0.20-1.00

3.10-4.00

0.50-1.70

0.20-0.60

 

Physical Properies

Designation

Matenal code

Barrel hardness HSD

Neck hardness HSD

Tensile Strength Mpa

NiCrMo chilled cast iron rollsⅠ

CCⅠ

60-70

32-50

>150

NiCrMo chilled cast iron rollsⅡ

CCⅡ

62-75

35-52

>150

NiCrMo chilled cast iron rollsⅢ

CCⅢ

65-80

32-45

>350

NiCrMo chilled cast iron rollsⅣ

CCⅣ

70-85

32-45

>350

 

Microstructure

Designation

Matenal code

Microstructure

NiCrMo chilled cast iron rollsⅠ

CCⅠ

Pearlite + cementite
NiCrMo chilled cast iron rollsⅡ

CCⅡ

Fine  Pearlite + cementite
NiCrMo chilled cast iron rollsⅢ

CCⅢ

Fine  Pearlite + cementite
NiCrMo chilled cast iron rollsⅣ

CCⅣ

Sorbite + cementite

Application

Designation

Matenal code

Application

NiCrMo chilled cast iron rollsⅠ

CCⅠ

Section mill , bar mill , wire-rod mill narrow strip mill,finishing stand
NiCrMo chilled cast iron rollsⅡ

CCⅡ

Section mill , bar mill , wire-rod mill narrow strip mill,finishing stand
NiCrMo chilled cast iron rollsⅢ

CCⅢ

Section mill , bar mill , wire-rod mill narrow strip mill,finishing stand
NiCrMo chilled cast iron rollsⅣ

CCⅣ

Section mill , bar mill , wire-rod mill narrow strip mill,finishing stand