| Customization: | Available |
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| Casting Method: | Centrifugal Casting |
| Casting Form Material: | High Speed Steel Material |
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HSS Kocks Mill Ring
| Brand | HBW ROLL | Material Code | HBWr03 |
| Specification | Ø200-Ø550 | Each Re-machining | ≤0.8mm (reducing) |
| Hardness | 60-63HRC | Surface Hardness Uniformity | ≤1.5HRC |
| Features & Advantages | 1. High abrasion resistance | ||
| 2. Small hardness drop | |||
| 3. Less re-machining amount | |||
| 4. High wear resistance and impact toughness under thermal load | |||
| 5. No Bursting problem, especially when rolling large size bar above Ø20mm | |||
| 6. Good processability with high machining efficiency | |||
| Application | KOCKS RSB. Applicable of special steel bar (finish size ≥Ø20mm ) rolling | ||
| Material | Tensile Strength | Compressive Strength(Mpa) | Elasticity Modulus(Mpa) | Density((kg/m³) |
| Kocks High Strength | ≥650MPa | ≥2500MPa | 67505.16 | 8 |
Chemical Component
| Material | Chemical composition control requirements (%) | |||||||||||
| Kocks High Strength | C | Si | Mn | P | S | Cr | Mo | V | W | Ni | Nb | Other |
| 1.5-2.1 | 0.2-1.0 | 0.3-1.0 | ≤0.03 | ≤0.03 | 4.0-6.0 | 4.0-6.0 | 4.0-6.0 | 4.0-6.0 | 0.5-1.5 | ≤1.0 | ≤2.0 | |
1.Material Characters:
• High-speed steel is an alloy steel containing elements like tungsten (W), molybdenum (Mo), vanadium (V), and chromium (Cr), offering exceptional red hardness and wear resistance.
• Through specialized heat treatment processes, the surface hardness of the roll rings can reach HRC60 or higher while maintaining sufficient toughness.
2. Performance Advantages:
• High wear resistance: Suitable for rolling high-strength steel, extending service life and reducing replacement frequency.
• Excellent thermal fatigue resistance: Maintains stable performance under high-temperature and high-speed conditions.
• Good crack resistance: High toughness reduces the risk of thermal cracking and fracture.
• Good dimensional stability: Resistant to deformation in high-temperature environments, ensuring dimensional accuracy of rolled products.
3. Applications
• Mainly used in high-speed rolling equipment such as wire rod mills and bar mills in the steel industry.
• Suitable for rolling various steel grades, including plain carbon steel, high alloy steel, and stainless steel.
In summary, Kocks high-speed steel roll rings, with their excellent performance and stability, have become key components in modern steel production, enhancing efficiency and reducing costs.
Anhui Huanbowan High Speed Steel Mill Roll Co., LTD
Anhui Huanbowan High Speed Steel Mill Roll Co., Ltd. is China's earliest and largest enterprise specializing in the production of high-speed steel (HSS) rolls and rings. Founded in 2007, we cover an area of approximately 70,000 square meters and has more than 300 employees, including more than 30 experienced intermediate and senior technical experts.
We specializes in the production of hot-rolled plate and strip high-speed steel working rolls, hot-rolled bar (wire) high-speed steel rolls, KOCKS rolling mill roll rings, PSM rolling mill roll rings, seamless steel pipe rolling mill roll rings, cantilever rolling mill roll rings, high-speed wire rod pre-finish rolling mill frame roll rings, feeder roll rings, and section steel precision rolling mill roll rings.
Annual production capacity of 15,000 tons of high-speed steel rolls and roll rings. The company has established 2 casting production lines, 2 heat treatment lines, 2 roll processing lines, and 2 roll ring processing lines, with a monthly output of over 1,200 high-speed steel rolls and 1,000 high-speed steel roll rings. It is currently the earliest, largest in scale, and highest market share enterprise specializing in the production of high-speed steel rolls and roll rings in China.
As a national-level specialized and innovative "Small Giant" enterprise, a high-tech enterprise in Anhui Province, and a champion of specialized and innovative enterprises in Anhui Province, HBW not only has its own technology research and development center but also has established long-term and close industry-university-research cooperation with Beijing University of Technology, Beijing University of Science and Technology, and the Iron and Steel Research Institute. The company's high-speed steel rolls, KOCKS roll rings, seamless steel pipe roll rings, and high-line pre-finish rolling mill roll rings have won 11 national invention patents and 25 utility model patents.
As a 3A-level enterprise with a strong commitment to contracts and credibility, HBW serves a wide range of domestic and international clients with its excellent product performance and first-class service level.
The company has established strategic partnerships with large steel enterprises such as China Baowu Steel Group (A1-level supplier), Hebei Iron and Steel Group, Shagang Group, Qingshan Holding Group, Jieneng Steel Group, Shougang Group, Shandong Steel Group, Jingye Group, Nanjing Steel, CITIC Special Steel, Zhongtian Steel, Guangxi Steel, Anyang Iron and Steel, and others. Its products are sold to more than 200 steel enterprises across China and exported to over 30 countries and regions, including the United States, Germany, Russia, South Korea, Turkey, Brazil, India, Vietnam, Taiwan, and more.
1. Two Casting Lines
2. Two Heat Treatment Lines
3. Two HSS Roll & Two HSS Ring Processing Lines
1. Professional physical and chemical center
2. Certificaters:
Our Partners and Markets
With an AAA-level Enterprise of Abiding by Contract and Being Trustworthy, Anhui Huanbowan has widely served local and overseas clients with our excellent product performance and first-class service.
We have established strategic cooperative partnerships with China Baowu Steel Group Corporation,HBlS Group, Shagang Group, Tsingshan Holding Group, Jianlong Steel Group, Shougang Group,Shandong Iron and Steel Group, Jingye Group, Nanjing Iron and Steel, ClTIC Pacific Special Steel,Zenith Steel, Liuzhou Steel, Anyang Iron and Steel TATA Group, and other large-scale iron and steel enterprises.Ourproducts are popular among more than 200 steel enterprises nationwide.
They are also exported tomore than 30 countries and regions such as the United States, Germany, Russia, South Korea,UAE, Kuwait,Turkey,Brazil,India,Vietnam,and Taiwan.
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