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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.