Bainite ductile cast iron roll

Bainite ductile cast iron roll Centrifugal

Chemical Analysis

Designation Matenal code C Si Mn Ni Cr Mo Mg
Bainite ductile cast iron roll CentrifugalⅠ SGA Ⅰ 3.00-3.40 1.20-2.20 0.40-0.80 3.01-3.50 0.20-0.80 0.50-1.00 ≥0.04
Bainite ductile cast iron roll Centrifugal Ⅱ SGA  Ⅱ 3.00-3.40 1.00-2.00 0.40-0.80 3.51-4.50 0.20-1.00 0.50-1.00 ≥0.04

 

Physical Properies

Designation

Matenal code

Barrel hardness HSD

Neck hardness HSD

Tensile Strength Mpa

Bainite ductile cast iron roll CentrifugalⅠ SGA Ⅰ

55-78

32-45

>350

Bainite ductile cast iron roll Centrifugal Ⅱ SGA  Ⅱ

60-80

32-45

>350

 

Microstructure

Designation

Matenal code

Microstructure

Bainite ductile cast iron roll CentrifugalⅠ SGA Ⅰ Bainite+A small amount of martensite+Carbide+graphite
Bainite ductile cast iron roll Centrifugal Ⅱ SGA  Ⅱ Bainite+A small amount of martensite+Carbide+graphite

 

Application

Designation

Matenal code

Application

Bainite ductile cast iron roll CentrifugalⅠ SGA Ⅰ Beam,bar,wire rod mill rough rolling,the rolling ,pre-finishing mill stand:seamless steel pipe mill reducing rack set
Bainite ductile cast iron roll Centrifugal Ⅱ SGA  Ⅱ Beam,bar,wire rod mill rough rolling,the rolling ,pre-finishing mill stand:seamless steel pipe mill reducing rack set