High-speed steel roll

High-speed steel roll

Chemical Analysis

Designation

Matenal code

C

Si

Mn

Ni

Cr

Mo

V

W

HSS

HSS

1.50-2.00

0.30-1.00

0.40-1.20

0.00-1.50

3.00-8.00

2.00-8.00

2.00-9.00

0.00-2.00

S-HSS

S-HSS

0.60-1.20

0.80-1.50

0.50-1.00

0.20-1.20

3.00-9.00

2.00-5.00

0.40-3.00

0.00-3.00

 

Physical Properies

Designation

Matenal code

Barrel hardness

Roll neck strength

Tensile strength

HSS

HSS

75-95

30-45

400-500

S-HSS

S-HSS

75-98

30-45

400-500

 

 

Microstructure
Microstructure of working layer in the barrel: Asmall amount of tempered martensite +carbide +carbon

 

Application

Designation

Matenal code

Application
HSS

HSS

Rolled strip ,bar finishing roller ,high speed wire pre-finishing steel roller universal rolling mill ,wide plate mill work rolls
S-HSS

S-HSS

Rough rolling hot strip mill work rolls , cold rolled strip steel work roll , intermediate roll