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Cast Steel Roll for The Finishing Stand of Hot Strip Mills

Cast Steel Roll for the Finishing Stand of Hot Strip Mills The cast steel rolls are divided into three kinds too as the below 1)alloys steel cast rolls Chemical composition(%) Properties and application 2)hot work tool steel cast rolls Chemical composition(%): Properties and application 3)HSS...

Description

Cast Steel Roll for the Finishing Stand of Hot Strip Mills
The cast steel rolls are divided into three kinds too as the below

1)alloys steel cast rolls

Chemical composition(%)


     code

C

Si

Mn

Cr

Ni

Mo

AS60

0.55-0.65

0.20-0.45

0.90-1.20

0.80-1.20

-

0.20-0.45

AS65I

0.60-0.70

0.20-0.60

0.50-0.80

0.80-1.20

0.20-0.50

0.20-0.45

AS70Ⅱ

0.65-0.75

0.20-0.45

1.40-1.80

-

-

0.20-0.45

AS75

0.70-0.80

0.20-0.45

0.60-0.90

0.75-1.00

-

0.20-0.45

AS75Ⅰ

0.70-0.80

0.20-0.70

0.70-1.10

0.80-1.50

≥0.20

0.20-0.60

Cr4

0.40-0.70

0.20-0.60

0.70-1.20

3.00-5.00

≥0.50

0.40-1.00

Properties and application


     code

Roll body hardness(HS)

Rm(Mpa)

size(mm)

weight(kg)

use

AS60

35-50

≥650

ø600~1600

1000~50000

Rough mill work rolls and support rolls etc

AS65I

35-45

≥650

AS70Ⅱ

35-45

≥680

AS75

35-50

≥680

AS75Ⅰ

35-50

≥700

Cr4

50-65

≥700

2)hot work tool steel cast rolls
 Chemical composition(%):


     code

C

Si

Mn

Cr

Ni

Mo

V

HWDⅠ

0.50/0.60

0.10/0.40

0.50/0.80

0.50/0.80

1.40/1.80

0.10/0.30


HWDⅡ

0.40/0.50

0.40/0.70

0.40/0.60

1.50/2.00

0.80/1.20

0.80/1.20

0.30/0.50

HWDⅢ

1.40/1.60

0.20/0.40

0.40/0.60

10.0/14.0


0.70/0.90

0.80/1.00

Properties and application


     code

Roll body hardness(HS)

Rm(Mpa)

size(mm)

weight(kg)

use

HWDⅠ

40/50

≥1000

ø 600~1480

5000~45000

Rough rolling mill work rolls

HWDⅡ

50/60

≥1100

HWDⅢ

55/65

≥500(core)

Universal mill vertical roll and side roll

3)HSS cast rolls
 Chemical composition( %)


     code

C

Si

Mn

W

V

Cr

Ni

Mo

Nb

B

HSS

1.50-2.20

0.30-1.00

0.40-1.20

0.00-8.00

2.00-9.00

3.00-8.00

0.00-1.50

2.00-8.00

0.00-2.00


S-HSS

0.60-1.20

0.80-1.50

0.50-1.00

0.00-3.00

0.40-3.00

3.00-9.00

0.20-1.20

2.00-5.00

0.00-2.00


B-HSS

1.00-2.00

0.30-1.00

0.40-1.20

0.00-3.00

0.40-3.00

7.00-12.00

0.20-1.20

2.00-5.00

0.00-2.00

0.10-1.00

Properties and application:


     code

Roll body hardness(HS)

Roll neck hardness(HS)

size(mm)

weight(kg)

use

HSS

75-95

30-45

ø300~700

800~15000

Strip,bar and wire rolling mill etc

S-HSS

75-98

30-45

Work rolls and middle rolls etc

B-HSS

75-85

30-45

Ted Machine, with over 10 years experience, is one of leading cast steel roll for the finishing stand of hot strip mills manufacturers and suppliers in China. We have introduced advanced equipment and technology in our plant. Welcome to buy the customized and quality equipment from our factory.

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