Unit price will be decided by engineering drawing.
Adding relatively more Chromium alloy elements in its outer layer brings a special carbide structure. Compared with normal roll, it has higher wear resistance, hardness, strength, and campaign rolling tonnage. The core part adopts alloy spheroidal graphite(SGP) to ensure the roll's integral strength.
Microstructure of HiCr
Table 7 HiCr Material Composition and Performance Properties
| Grade |
C |
Si |
Mn |
Cr |
Ni |
Mo |
V |
Hardness
(HS) |
Tensile Strength
(Mpa) |
| HiCr I |
2.30/3.30 |
0.30/1.00 |
0.50/1.20 |
12.0/15.0 |
0.70/1.70 |
0.70/1.50 |
0.00/0.60 |
65/80 |
>230 |
| HiCr II |
2.30/3.30 |
0.30/1.00 |
0.50/1.20 |
15.0/18.0 |
0.70/1.70 |
0.70/1.50 |
0.00/0.60 |
70/85 |
>230 |
| HiCr III |
2.30/3.30 |
0.30/1.00 |
0.50/1.20 |
18.0/22.0 |
0.70/1.70 |
1.51/3.00 |
0.00/0.60 |
75/85 |
>230 |
Manufacture:
Manufacturing request various technologies, which include metallurgical technologies, heat treatment techniques and mechanical techniques. We
have production lines for both cast iron rolls and cast iron rings. The Cast Iron Roll production line has various of medium-frequency furnace (15t, 10t, 5t, 1.5t, and 1.0t). We also have the centrifugal casting machines with max capacity 15 tons. The diameter of our cast rings and sleeves can reach 1500mm and maximum length is 800mm with unit weight up to 6 tons.
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