More Casting Steel Rolls

Alloy cast steel rolls

Graphite steel rolls

High-chromium steel rolls

Alloy cast steel rolls

Chemical Analysis

Designation of rolls

Material code

C

Si

Mn

Ni

Cr

Mo

Zu60CMoMn

AS60

0.55-0.65

0.20-0.45

0.90-1.20

 

0.80-1.20

0.20-0.45

Zu60CMoMnNi

AS60Ⅰ

0.55-0.65

0.20-0.60

0.50-1.00

0.20-1.50

0.80-1.20

0.20-0.60

Zu65CrNiMo

AS65Ⅰ

0.60-0.70

0.20-0.70

0.50-0.80

0.20-0.50

0.80-1.20

0.20-0.45

Zu70Mn

AS70

0.65-0.75

0.20-0.45

0.80-1.40

 

 

 

Zu70Mn2

AS70Ⅰ

0.65-0.75

0.20-0.45

1.40-1.80

 

 

 

Zu70Mn2Mo

AS70Ⅱ

0.65-0.75

0.20-0.45

1.40-1.80

 

 

0.20-0.45

Zu75CrMo

AS75

0.70-0.80

0.20-0.45

0.60-0.90

 

0.75-1.00

0.20-0.45

Zu75CrNiMnMo

AS75Ⅰ

0.70-0.80

0.20-0.70

0.70-1.10

≥0.20

0.80-1.50

0.20-0.60

Physical Properties

Designation of rolls

Material code

Barrel hardness(HSD)

Neck hardness (HSD)

Tensile strength (Mpa

Zu60CMoMn

AS60

35-50

≤45

>650

Zu60CMoMnNi

AS60Ⅰ

35-45

≤45

>750

Zu65CrNiMo

AS65Ⅰ

35-45

≤45

>750

Zu70Mn

AS70

35-42

≤45

>650

Zu70Mn2

AS70Ⅰ

35-45

≤45

>680

Zu70Mn2Mo

AS70Ⅱ

35-45

≤45

>700

Zu60CMoMn

AS75

35-50

≤45

>700

Zu60CMoMnNi

AS75Ⅰ

35-50

≤45

>800

Microstructure

Microstructure of working layer in the barrel: pearlite or tempered sorbite

Application

Designation of rolls

Material code

Application

Zu60CMoMn

AS60

Bar, wire, strip, strip, steel roughing

Zu60CMoMnNi

AS60Ⅰ

Bar, wire, strip, strip, steel roughing

Zu65CrNiMo

AS65Ⅰ

Bar, wire, strip, strip, steel roughing

Zu70Mn

AS70

Bar, wire, strip, strip, steel roughing

Zu70Mn2

AS70Ⅰ

Bar, wire, strip, strip, steel roughing

Zu70Mn2Mo

AS70Ⅱ

Bar, wire, strip, strip, steel roughing

Zu60CMoMn

AS75

Bar, wire, strip, strip, steel rough rolling, narrow steel support rollers

Zu60CMoMnNi

AS75Ⅰ

Bar, wire, strip, strip, steel rough rolling, narrow steel support rollers

Graphite steel rolls

Chemical Analysis

Designation of rolls

Material code

C

Si

Mn

Ni

Cr

Mo

ZuS140CrNiMo

GS140

1.30-1.50

1.30-1.60

0.50-0.80

 

0.40-0.70

0.20-0.50

ZuS160CrNiMo

GS160

1.50-1.70

0.80-1.50

0.60-1.00

0.20-1.00

0.50-1.50

0.20-0.80

ZuS180CrNiMo

GS190

1.80-2.00

0.80-1.50

0.60-1.00

0.60-2.20

0.50-2.00

0.20-0.80

Physical Properties

Designation of rolls

Material code

Barrel hardness(HSD)

Neck hardness (HSD)

Tensile strength (Mpa

ZuS140CrNiMo

GS140

36-46

≤46

≥540

ZuS160CrNiMo

GS160

45-55

≤50

≥500

ZuS180CrNiMo

GS190

50-65

≤50

≥450

Microstructure

Pearlite+ Spherical graphite+ Carbide

Application

Designation of rolls

Material code

Application

ZuS140CrNiMo

GS140

Small and medium steel, thick wire rod mill, hot strip rough roll, roller universal rolling mill

ZuS160CrNiMo

GS160

Small and medium steel, thick wire rod mill, hot strip rough roll, roller universal rolling mill

ZuS180CrNiMo

GS190

Small and medium steel, thick wire rod mill, hot strip rough roll, roller universal rolling mill

High-chromium steel roll

Chemical Analysis

Designation of rolls

Material code

C

Si

Mn

Ni

Cr

Mo

CS

HCrS

1.00-1.80

0.40-1.00

0.50-1.00

8.00-15.00

0.50-1.50

1.50-4.50

Physical Properties

Designation of rolls

Material code

Barrel hardness(HSD)

Neck hardness (HSD)

Tensile strength (Mpa

CS

HCrS

70-85

35-45

≥450

Microstructure

Or tempered martensite + carbide sorbite

Application

Designation of rolls

Material code

Application

CS

HCrS

Hot strip roughing and finishing work roll front, wide plate mill work roll;

steel universal mill roll

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