- Qingsongqiao, Qianhu Village, Chunjiang Town, Xinbei District, Changzhou City, Jiangsu Province, China, 213000
- +86 18516265665 [email protected]
Zhrolls provides high-performance Long Products Mill Rolls, designed to meet the demanding requirements of rebar, structural sections, and long product mills. With a focus on durability, precision, and efficiency, our rolls are tailored to improve productivity and reduce downtime in steel mills worldwide.
Why Choose Zhrolls Long Products Mill Rolls?
Durable Materials for Heavy-Duty Applications: Our Long Products Mill Rolls are crafted from a variety of premium materials including Cast Steel, Adamite, Graphitic Cast Steel, Indefinite Chill Cast Iron, and High-Speed Steel (HSS). These materials are engineered to handle the tough demands of heavy section, medium section, bar, wire, and hot strip mills.
Tailored Solutions for Various Mill Types: Whether for roughing stands, finishing stands, or intermediate stands, Zhrolls offers customized roll solutions for section mills, rebar mills, bar mills, heavy plate mills, Steckel mills, and more. Our tailored designs ensure superior performance and enhanced production capabilities.
Precision Hardness for Optimal Performance: Our rolls feature a range of hardness levels across the barrel and neck, with barrel hardness from 35-95 HSD, and neck hardness from ≤45 HSD to 75-95 HSD, ensuring excellent wear resistance and high performance during the production of long products like rebar and structural sections.
Enhanced Strength and Durability: Zhrolls Long Products Mill Rolls are engineered with tensile strength ranging from ≥400 N/mm² to ≥800 N/mm², providing exceptional resistance to deformation and fatigue under high pressure, thereby enhancing the lifespan of your mill rolls and reducing the frequency of replacements.
Improved Productivity and Efficiency: By using Zhrolls’ rolls, steel manufacturers can improve throughput and product quality. Our rolls are designed to minimize maintenance costs and downtime, making them ideal for continuous, high-volume production environments.
Applications: Rebar Mills: Our HSS rolls and sleeves are perfect for slitting stands, refinishing stands, and finishing stands, ensuring consistent and high-quality rebar production. Structural Sections: Designed for use in heavy and medium section mills, our rolls excel in producing large structural sections used in construction and other industries. Hot Strip and Bar Mills: Zhrolls’ rolls are used across various stages in bar mills, hot strip mills, and Steckel mills, providing reliable performance and longer service life. Zhrolls offers custom-engineered Long Products Mill Rolls to meet the specific needs of your production process. Contact us today to discuss how our rolls can enhance your steel mill’s efficiency and product quality.
| 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
