Brand name: HANI TECH
Packing Details : Fumigated wooden box, Steel frame, Wooden frame, Strapping
Delivery Details: 30~60days or Based on the quantity
Shipping: Sea freight、Land freight、Air freight
HANI has provided customized work mill rolls to dozens of steel mills around the work and has many long-term partners.
HANI GROUP, a pro in roll production, is devoted to delivering premium, high – performance mill rolls globally. With rich experience and advanced tech, we meet diverse steel rolling needs.
Our mill rolls feature high precision, great wear resistance, and strong fatigue resistance. They boost steel rolling mill output and product quality, reducing downtime and enhancing competitiveness.
Partnering with us brings stable, reliable, and efficient mill rolls solutions. Our experts offer full support from selection to after – sales. Contact us now to learn more and achieve your business goals!
Manufacture drawing | √ |
Process schedule with ETD date | √ |
QC checking of each process | √ |
Checking report | √ |
Photos &videos of each process | √ |
ISO 9001 certificate | √ |
Warranty Time | √ |
The third party Checking | √ |
The rolls are produced by static and monobloc casting method. The scope of supply is suitable to all dimensions of rolls. The products are mainly applied to section mill, bar mill and wire-rod mill, rail mill, universal mill breakdown stand, roughing stands of hot strip mill, back-up rolls of hot strip mill, vertical rolls and so on, The roll show very good wear resistance, anti-accident, anti-fire and less hardness drop. The products covered all the Adamite /GST material with “C” contents of 1.0%-2.2%。
Typical Chemical Analysis and Mechanical Properties:
Product | C | Mn | Cr | Mo | V | Ni | Hardness | Tensile strength | |||
| Barrel | Neck | Transition zone | Barre | Neck | ||||||
3%Cr | 0.3-0.7 | 0.5-1.5 | 2.0-4.0 | 0.2-0.5 | 0.1-0.3 | ≤0.80 | 55-65 | 30-40 | ≥40 | ≥1100 | ≥630 |
| 5%Cr | 0.4-0.8 | 0.3-1.2 | 4.0-6.0 | 0.3-0.8 | 0.1-0.4 | ≤0.50 | 68-73 | 30-40 | ≥40 | ≥1200 | ≥600 |
The scope of supply
①1800×2800×7000; the maximum weight of single roll is up to 80T.
In the steel rolling process, the backup roll is an important auxiliary equipment. Its main function is to support the working roller and prevent the working roller from bending during the rolling process to ensure the dimensional accuracy and surface quality of the rolled products.
The backup roll is usually made of high-strength materials such as high-quality steel or cast iron to withstand the high pressure between the working roller and the material to be rolled. Its surface is usually precision machined and heat treated to improve its wear resistance and corrosion resistance.
During the rolling process, the backup roll needs to be inspected and maintained regularly. If cracks, wear or other damage are found on the surface of the support roller, it should be replaced immediately to prevent affecting the rolling quality. At the same time, the support roller should be cleaned and lubricated regularly to ensure its normal operation.
In general, the backup roll plays an important role in the steel rolling process, and selecting and maintaining the support roller is the key to ensuring the quality of rolled steel products.
The material of the support roller has the following main effects on the quality of rolled products:
Affecting rolling accuracy: The material of the support roller determines its hardness and strength. If the hardness and strength of the support roller are insufficient, elastic deformation will occur during the rolling process, which will directly affect the dimensional accuracy of the rolled product.
Affecting rolling stability: If the material of the support roller is unstable, it may break or wear during the rolling process, which will affect the stability of rolling and thus affect the product quality.
Affecting product surface quality: The material and surface treatment technology of the support roller directly affect the surface quality of the rolled product. If the surface of the support roller is rough or defective, it may scratch the product during the rolling process, affecting the surface quality of the product.
Affecting rolling efficiency: The material and wear resistance of the support roller directly affect its service life. If the wear resistance of the support roller is poor, it needs to be replaced frequently, which will affect the continuity and efficiency of rolling.
Offering advanced work rolls fabrication services, we utilize the latest techniques and materials to produce rolls that excel in performance and durability. HANI TECH team is dedicated to meeting the unique requirements of each client.
High – grade materials for mill rolls are the fundamental building blocks for guaranteeing the superior quality of the rolls. HANI GROUP typically opts for materials that exhibit remarkable properties, such as exceptional high strength, high toughness, excellent wear resistance, and outstanding high – temperature resistance. Commonly used raw materials encompass alloy steel, carbon steel, stainless steel, and more.
Forging stands as a crucial stage in the manufacturing of mill rolls. Through the forging process, the internal structure of the material can be precisely adjusted, leading to an enhancement in the material’s density and strength. During forging, it is imperative to select the appropriate forging ratio and forging temperature, carefully control the heating and cooling rates, and ensure that the internal structure and mechanical properties of the material strictly adhere to the specified requirements.
Heat treatment is one of the pivotal steps in mill roll production. It has the ability to transform the internal structure of the material, thereby improving its strength and hardness. Common heat treatment techniques include quenching, tempering, nitriding, and others. Throughout the heat treatment process, meticulous control of the heating temperature and cooling rate is essential to ensure that the material attains the required hardness and strength levels.
Machining is a vital link in the chain of mill roll manufacturing. By employing machining processes, it is possible to achieve the desired roll surface finish and dimensional accuracy. Common machining methods involve turning, milling, grinding, and so on. During the machining operation, it is necessary to select the appropriate tools and cutting parameters to guarantee both processing quality and efficiency.
Surface treatment represents one of the final steps in the production of mill rolls. It serves to enhance the wear resistance and corrosion resistance of the rolls. Common surface treatment methods include shot peening, carburizing and quenching, nitriding, etc. During the surface treatment process, precise control of the treatment temperature and time is crucial to ensure the quality and effectiveness of the treatment.
Since different steel mills have different requirements for the performance and specifications of rolls during the production process, HANI’s ability to customize rolls according to specific needs can greatly improve the production efficiency and product quality of steel mills.
Please provide design data for special processing requirements
If you want to find a trustworthy adamite rolls supplier with long-term cooperation, maybe you need to concern about as the following
1.Mill rolls equipment
The equipment plays an important role in the high-quality mill rolls. Types of equipment matters from the beginning to the finished products.
2.Quality Control of Mill Rolls
In the dynamic realm of metal rolling industries, from steel production to non – ferrous metal processing, mill rolls stand as the linchpin that holds the entire operation together. Their quality directly influences the output’s precision, surface integrity, and overall production efficiency. Thus, implementing a robust quality control system for mill rolls is not just a necessity but a strategic imperative for any rolling enterprise aiming for long – term success.
3. Technological Advancement of the manufacturer
A reliable manufacturer will focus on technological advancement for its long-lasting development. The advanced technology can guarantee the improvement of products. The best supplier not only can provide high-standard products but also is the steel solution provider. Before choosing the company you should ensure the manufacture has a professional team for advanced technology.
4. Delivery time and price of the company
Delivery time often is the main factor to choose the supplier. Delivery on-time is also the basis of next time cooperation. Checking out the place of the company and the delivery term is essential. Price is also an important element for a best-value mill roll manufacturer.
5. Mill Rolls Supplier Qualifications
Certifications & patents ensure HANI mill rolls quality, safety, and innovation, reducing production risks and long-term costs.
6.Customer cooperation visits and meetings
Established in 2007, HANI TECH primarily manufactures a comprehensive range of mill rolls tailored for diverse types of steel, bar, high-speed wire, and hot and cold plate and strip rolling mills.
The company spans an expansive area of 100,000 square meters, encompassing two fully equipped production lines for cast mill rolls and forged steel mill rolls, along with processing workshops, product research and development centers, testing centers, training centers, office buildings, and other essential supporting facilities. The factory boasts a picturesque environment.
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We would be happy to help and advise if you have any questions or inquiries.
