- Qingsongqiao, Qianhu Village, Chunjiang Town, Xinbei District, Changzhou City, Jiangsu Province, China, 213000
- +86 18516265665 master@zhrolls.com
| Back-up Rolls & Work Rolls | Material | HiCr，En-HiCr, ICDP，EN-ICDP，HSS, Cr3, Cr4, Cr5. |
| Diameter | ¢450-¢1600* | |
| Length | 450mm-1780mm | |
| Hardness of Barrel | 33-50HSD(Cast iron Rolls) 50-70HSD(Alloy Cast Iron Rolls) 35-55HSD(Carbon Cast Steel Rolls) 50-80HSD(Alloy Cast Steel Rolls) 50-70HSD(Forged Steel) 80-90HSD(HSS) | |
| Hardness of Neck | 25-40HSD(Cast iron Rolls) 30-45HSD(Alloy Cast Iron Rolls) 30-50HSD(Carbon Cast Steel Rolls) 35-55HSD(Alloy Cast Steel Rolls) 35-50HSD(Forged Steel) 40-60HSD(HSS) | |
| Thickness of hardened layer Harden depth | 25-55mm |
| Material | C | Si | Mn | P | S | Cr | Ni | Mo | V | W | Co |
| Cr3 series | 0.30-0.50 | 0.30-0.60 | 0.40-1.0 | ≤0.025 | ≤0.025 | 2.50-3.50 | 0.60-1.50 | 0.30-0.60 | — | — | — |
| Cr4 series | 0.30-0.50 | 0.30-0.60 | 0.40-1.0 | ≤0.025 | ≤0.025 | 3.50-4.50 | 0.60-1.50 | 0.30-0.60 | — | — | — |
| Cr5 series | 0.30-0.50 | 0.30-0.60 | 0.40-1.0 | ≤0.025 | ≤0.025 | 4.50-5.50 | 0.60-1.50 | 0.50-0.80 | — | — | — |
| Material | C | Si | Mn | P | S | Cr | Ni | Mo | V | W | Co |
| HiCr | 0.90-2.00 | 0.40-1.40 | 0.40-1.40 | ≤0.10 | ≤0.05 | 9.0-15.0 | 0.60-1.60 | 1.00-2.00 | ≤1.00 | ||
| En-HiCr | 2.60-3.20 | 0.40-1.20 | 0.30-1.20 | ≤0.10 | ≤0.05 | 16.0-22.0 | 1.0-2.0 | 1.0-3.0 | ≤1.50 | ||
| ICDP | 2.90-3.60 | 0.60-1.50 | 0.40-1.20 | ≤0.25 | ≤0.05 | 0.60-2.00 | 1.0-4.8 | 0.2-2.0 | |||
| En-ICDP | 2.90-3.40 | 0.60-1.60 | 0.50-1.50 | ≤0.25 | ≤0.05 | 1.20-2.00 | 3.50-5.0 | 0.20-1.20 | ≤2.50(V+W+Ti+Nb) | ||
| HSS | 1.50-2.20 | 0.30-1.00 | 0.40-1.20 | ≤0.030 | ≤0.025 | 3.00-8.00 | 0.00-1.50 | 2.00-8.00 | 2.00-9.00 | 0.00-8.00 |
GBT 13314-2008
JB_T3733-2017
JB/T4120-2017
