Cenreifugal cast iron roll

Cenreifugal cast iron roll

Chemical Analysis

Designation

Matenal code

C

Si

Mn

Ni

Cr

Mo

Cenreifugal cast iron rollⅠ

HCrⅠ

3.00-3.30

0.30-1.00

0.50-1.20

0.70-1.70

12.00-15.00

0.70-1.50

Cenreifugal cast iron rollⅡ

HCrⅡ

3.00-3.30

0.30-1.00

0.50-1.20

0.70-1.70

15.01-18.00

0.70-1.50

Cenreifugal cast iron rollⅢ

HCrⅢ

3.00-3.30

0.30-1.00

0.50-1.20

0.70-1.70

18.01-22.00

1.51-3.00

 

Physical Properies

Designation

Matenal code

Barrel hardness HSD

Neck hardness HSD

Tensile Strength Mpa

Cenreifugal cast iron rollⅠ

HCrⅠ

60-75

32-45

>350

Cenreifugal cast iron rollⅡ

HCrⅡ

65-80

32-45

>350

Cenreifugal cast iron rollⅢ

HCrⅢ

75-90

32-45

>350

 

Microstructure

Designation

Matenal code

Microstructure

Cenreifugal cast iron rollⅠ

HCrⅠ

Bainite +carbide
Cenreifugal cast iron rollⅡ

HCrⅡ

Bainite +carbide
Cenreifugal cast iron rollⅢ

HCrⅢ

A small amount of bainite +martensite + carbide

 

Application

Designation

Matenal code

Application

Cenreifugal cast iron rollⅠ

HCrⅠ

Beam,bar,wire rod mill finishing stand : Tropical rough rolling and rolling and finishing work roll front :Wide plate mill work roll
Cenreifugal cast iron rollⅡ

HCrⅡ

Beam,bar,wire rod mill finishing stand : Tropical rough rolling and rolling and finishing work roll front :Wide plate mill work roll
Cenreifugal cast iron rollⅢ

HCrⅢ

Beam,bar,wire rod mill finishing stand : Tropical rough rolling and rolling and finishing work roll front :Wide plate mill work roll