- Qingsongqiao, Qianhu Village, Chunjiang Town, Xinbei District, Changzhou City, Jiangsu Province, China, 213000
- +86 18516265665 master@zhrolls.com
| Cast Steel Rolls | Application | Roughing and BD stands of heavy section and medium section mills. |
| Tensile Strength | ≥ 600 N/mm2 | |
| Hardness of Barrel | 35-50 HSD | |
| Hardness of Neck | ≤ 45 HSD |
| Adamite Rolls | Application | Intermediate and finishing stands of section mills. Intermediate stands of bar mills. Sleeves for Universal stands of heavy section mills Vertical Edgers of hot strip mills Work Rolls for roughing stands of heavy plate mills |
| Tensile Strength | ≥ 500 N/mm2 | |
| Hardness of Barrel | 38-60 HSD | |
| Hardness of Neck | ≥ 50 HSD |
| Graphitic Cast Steel Rolls | Application | Intermediate and finishing stands of heavy section mills Finishing stands of rails Pilger mills Vertical Edgers of hot strip mills |
| Tensile Strength | ≥ 500 N/mm2 | |
| Hardness of Barrel | 36-65 HSD | |
| Hardness of Neck | ≤ 50 HSD |
| Indefinite Chill Cast Iron Rolls and Rings | Application | Intermediate and finishing stands for bar, wire and section mills. Late finishing stands (F4 – F7) of hot strip mills Steckel mills, Heavy Plate mills and finishing stand of section mills |
| Tensile Strength | ≥ 400 N/mm2 | |
| Hardness of Barrel | 50-85 HSD | |
| Hardness of Neck | 35-55 HSD |
| HSS Rolls | Application | Slitting stand, dog bone stand, refinishing stands and finishing stands of rebar mills Work Rolls for early finishing stands (F1-F4) of HSM and early stands of CSP mills Work Rolls for finishing stands of bar mills |
| Tensile Strength | shell ≥ 800 N/mm2 core & necks ≥400 N/mm2 | |
| Hardness of Barrel | 75-85 HSD | |
| Hardness of Neck | 35-45 HSD |
| Sleeves and Rolls Shafts | Application | Section mills Vertical rebar mills Straighteners |
| Tensile Strength of Work Layer | ≥ 760 N/mm2 | |
| Tensile Strength of Core | ≥ 400 N/mm2 | |
| Hardness of Barrel | 75-95 HSD | |
| Hardness of Neck | 30-45 HSD |
| Material | C | Si | Mn | P | S | Cr | Ni | Mo | V | W | Co |
| AS 60 I | 0.55-.065 | 0.20-0.60 | 0.50-1.00 | ≤0.035 | ≤0.030 | 0.80-1.20 | 0.20-0.50 | 0.20-0.60 | ≤1.00 | - | - |
| AS 65 I | 0.60-0.70 | 0.20-0.60 | 0.50-0.80 | ≤0.035 | ≤0.030 | 0.80-1.20 | 0.20-0.50 | 0.20-0.45 | - | - | - |
| AS 70 | 0.65-0.75 | 0.20-0.45 | 0.90-1.20 | ≤0.035 | ≤0.030 | 0.80-1.20 | 0.20-0.50 | 0.20-0.45 | - | - | - |
| AS 70 I | 0.65-0.75 | 0.20-0.45 | 1.40-1.80 | ≤0.035 | ≤0.030 | 0.80-1.20 | 0.20-0.50 | 0.20-0.45 | - | - | - |
| AS 70 II | 0.65-0.75 | 0.20-0.45 | 1.40-1.80 | ≤0.035 | ≤0.030 | 0.80-1.20 | 0.20-0.50 | 0.20-0.45 | - | - | - |
| AS 75 | 0.70-0.80 | 0.20-0.45 | 0.60-0.90 | ≤0.035 | ≤0.030 | 0.75-1.00 | 0.20-0.50 | 0.20-0.45 | - | - | - |
| AS 70 I | 0.70-0.80 | 0.20-0.70 | 0.70-1.10 | ≤0.035 | ≤0.030 | 0.80-1.50 | 0.20-0.50 | 0.20-0.60 | - | - | - |
| Material | C | Si | Mn | P | S | Cr | Ni | Mo | V | W | Co |
| AD 140 | 1.30-1.50 | 0.30-0.60 | 0.70-1.40 | ≤0.035 | ≤0.030 | 0.80-1.60 | - | 0.20-0.60 | - | - | - |
| AD 140 I | 1.30-1.50 | 0.30-0.60 | 0.70-1.10 | ≤0.035 | ≤0.030 | 0.80-1.20 | 0.50-1.20 | 0.20-0.60 | - | - | - |
| AD 160 | 1.50-1.70 | 0.30-0.60 | 0.70-1.10 | ≤0.035 | ≤0.030 | 0.80-1.20 | - | 0.20-0.60 | - | - | - |
| AD 160 I | 1.50-1.70 | 0.30-0.60 | 0.80-1.30 | ≤0.035 | ≤0.030 | 0.80-2.00 | - | 0.20-0.60 | - | - | - |
| AD 180 I | 1.70-1.90 | 0.30-0.60 | 0.80-1.10 | ≤0.035 | ≤0.030 | 0.80-1.20 | - | 0.20-0.60 | - | - | - |
| AD 180 II | 1.70-1.90 | 0.30-0.60 | 0.80-1.30 | ≤0.035 | ≤0.030 | 0.80-1.20 | - | 0.20-0.60 | - | - | - |
| Material | C | Si | Mn | P | S | Cr | Ni | Mo | V | W | Co |
| GS 140 | 1.30-1.50 | 1.30-1.60 | 0.50-1.00 | ≤0.035 | ≤0.030 | 0.40-1.00 | 0.20-0.50 | 0.20-0.50 | - | - | - |
| GS 150 | 1.40-1.60 | 1.00-1.70 | 0.60-1.00 | ≤0.035 | ≤0.030 | 0.60-1.00 | 0.20-0.50 | 0.20-0.50 | - | - | - |
| GS 160 | 1.50-1.70 | 0.80-1.50 | 0.60-1.00 | ≤0.035 | ≤0.030 | 0.50-1.50 | 0.20-0.50 | 0.20-0.80 | - | - | - |
| GS 190 | 1.80-2.00 | 0.80-1.50 | 0.60-1.00 | ≤0.035 | ≤0.030 | 0.50-2.00 | 0.20-0.50 | 0.20-0.80 | - | - | - |
| Material | C | Si | Mn | P | S | Cr | Ni | Mo | V | W | Co |
| IC | 2.90-3.60 | 0.60-1.20 | 0.40-1.20 | ≤0.025 | ≤0.080 | 0.60-1.20 | - | 0.20-0.60 | - | - | - |
| IC I | 2.90-3.60 | 0.60-1.20 | 0.40-1.20 | ≤0.025 | ≤0.080 | 0.70-1.20 | 0.50-1.00 | 0.20-0.60 | - | - | - |
| IC II | 2.90-3.60 | 0.60-1.20 | 0.40-1.20 | ≤0.025 | ≤0.080 | 0.70-1.20 | 1.01-2.00 | 0.20-0.60 | - | - | - |
| IC III | 2.90-3.60 | 0.60-1.20 | 0.40-1.20 | ≤0.025 | ≤0.080 | 0.70-1.20 | 2.01-3.00 | 0.20-1.00 | - | - | - |
| IC IV | 2.90-3.60 | 0.60-1.50 | 0.40-1.20 | ≤0.025 | ≤0.080 | 1.00-2.00 | 3.01-4.80 | 0.20-1.00 | - | - | - |
| IC V | 2.90-3.60 | 0.60-1.50 | 0.40-1.20 | ≤0.025 | ≤0.080 | 1.00-2.00 | 3.01-4.80 | 0.20-2.00 | - | - | - |
| Material | C | Si | Mn | P | S | Cr | Ni | Mo | V | W | Co |
| HSS | 1.50-2.20 | 0.30-1.00 | 0.40-1.20 | - | - | 3.00-8.00 | 0.00-1.50 | 2.00-8.00 | - | 0.00-8.00 | 2.00-9.00 |
| S-HSS | 0.60-1.20 | 0.80-1.50 | 0.50-1.00 | - | - | 3.00-9.00 | 0.20-1.20 | 2.00-5.00 | - | 0.00-3.00 | 0.40-3.00 |
| Material | C | Si | Mn | P | S | Cr | Ni | Mo | V | W | Co |
| SGP | 2.90-3.60 | 1.00-2.20 | 0.40-1.00 | - | - | 0.20-1.20 | 1.50-3.00 | 0.20-0.80 | - | - | - |
| SGA | 2.90-3.60 | 1.00-2.20 | 0.20-0.80 | - | - | 0.20-1.50 | 3.00-4.50 | 0.50-1.00 | - | - | - |
| Adamite | 1.50-2.10 | 0.30-0.80 | 0.60-1.30 | - | - | 0.80-3.50 | 0.50-2.50 | 0.20-0.80 | - | - | - |
| GS | 1.60-2.20 | 1.20-2.00 | 0.50-1.50 | - | - | 1.00-3.00 | 1.00-3.00 | 0.40-0.80 | - | - | - |
| Material | C | Si | Mn | P | S | Cr | Ni | Mo | V | W | Co |
| 42CrMo | 0.38-0.45 | 0.17-0.37 | 0.50-0.80 | - | - | 0.90-1.20 | - | 0.15-0.30 | - | - | - |
GBT 13314-2008
JB_T3733-2017
JB/T4120-2017
