|
PF
201
|
|
These cast alloy steel rolls are made of high quality melted steel with arc furnace and refiner, and corresponding with advanced casting and heat treatment procedure, and have very high tensile strenngth and good wearability, toughness and resistance to firecrack.
Microstructure:
 |
 |
|
|
| Chemical
Composition (%) |
| Symbol |
C
|
Si
|
Mn
|
Cr
|
Ni
|
Mo
|
V
|
| CS-1 |
0.55-0.80
|
0.20-1.00
|
0.50-1.30
|
--
|
--
|
0.40-1.50
|
--
|
| CS-2 |
0.55-0.80
|
0.20-1.00
|
0.40-1.30
|
0.50-1.50
|
0.20-1.00
|
0.40-1.50
|
--
|
| CS-3 |
0.35-0.55
|
0.20-1.00
|
0.20-1.00
|
2.50-3.50
|
0.20-1.00
|
0.20-1.00
|
0.02-0.40
|
| CS-4 |
0.40-0.60
|
0.20-1.00
|
1.00-1.80
|
1.00-2.00
|
0.20-1.00
|
1.00-1.80
|
|
| CS-5 |
0.95-1.20
|
0.20-1.00
|
0.70-1.50
|
0.50-1.50
|
0.50-1.50
|
0.40-1.50
|
--
|
| |
| Physical
Properties: |
| Symbol |
Barrel
Hardness
HS
|
Tensile
strength
MPa
|
Elongation
%
|
Impact
Value
×10 4J/m
2
|
| CS-1 |
28-43
|
> 600
|
> 5
|
> 8
|
| CS-2 |
30-45
|
> 800
|
> 5
|
> 8
|
| CS-3 |
45-65
|
> 800
|
> 2
|
> 5
|
| CS-4 |
45-65
|
> 800
|
> 3
|
> 4
|
| CS5 |
40-55
|
> 700
|
> 4
|
> 7
|
| |
| Application: |
| Blooming
and slabbing mills,
roughing and intermediate
stands of section mills,
vertical scale-breaking
and 2-Hi roughing stands
of hot strip mills, 2-Hi
roughing stands of plate
mills, the back-up rolls
of narrow strip mills. |
| |
| The
Capacity of making: |
|
Diameter
of barrel (mm)
|
Length
of barrel (mm)
|
weight
(t)
|
|
£X
1500(max.)
|
3000
(max)
|
60
(max)
|
|
|
|
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