HSS (High speed steel) roll with high hardness and good wear resistance at high temperature is an indispensable key component in modern steel rolling industry. These rolls are manufactured using the centrifugal casting (CC) method, ensuring excellent performance in high temperature and high pressure environments. The roller core is filled with ductile iron, and through reasonable chemical composition control and accurate heat treatment process, the hardness of the working layer of the roll can reach 80-85HSC, which meets the requirements of high precision rolling.
Uniformly distributed carbides, such as vanadium, tungsten, niobium and molybdenum, are embedded in the martensitic matrix, and the uniform distribution of these composite carbides in the working layer ensures uniform hardness of the roll during use, effectively reducing pass wear and extending service life.
This type of roll is commonly used in finishing mill stands, especially in rolling processes with high productivity requirements and high surface quality requirements. Their application can not only improve production efficiency, but also effectively improve the surface quality of rolled parts, ensure the quality and stability of products, and meet the needs of the high-end market.
Product advantages of HSS rolls
High strength: has excellent mechanical properties, can be stable in high temperature and high pressure environment.
Good thermal stability: even under high temperature conditions, it can maintain excellent hardness and wear resistance, suitable for long-term high-intensity work.
Excellent surface roughness: it can effectively improve the surface quality of rolled parts and reduce surface defects.
High hardness: ensure that the roll has a strong pressure resistance, can withstand strong wear.
Good wear resistance: Long service life, reduced maintenance and replacement frequency.Compared with traditional ductile iron rolls and high Ni-Cr rolls, HSS rolls have higher wear resistance and higher single-channel steel throughput, significantly shortening roll change time, improving mill operating efficiency, reducing roll consumption and production costs, and thus improving the overall efficiency of the plant.
Why choose HSS rolls?
High hardness: HSS rolls maintain high hardness at high temperatures and can withstand high-intensity working environments.
Wear resistance: The uniform distribution of compound carbide effectively improves the wear resistance of the roll and reduces maintenance costs.
Precision surface quality: Especially suitable for finishing mill stand, can improve the surface quality of rolled parts to meet high standards of production needs.
With the continuous improvement of production efficiency and quality requirements in the steel industry, HSS rolls, as an ideal choice for high performance and long life, have become the preferred material for more and more finishing rolling lines.
Prospects of HSS rolls in the Chinese market
China, as one of the world's largest steel producers, has a growing demand for high-performance rolls. With its excellent wear resistance and high hardness, HSS rolls have been widely used in high-end steel production lines in China. With the continuous pursuit of product quality by domestic steel enterprises, the demand for HSS rolls in the Chinese market will continue to grow.
By combining with advanced technology and manufacturing processes, China's steel production lines will be more efficient and the quality of steel produced will be further improved.
Contact information
For more information about HSS rolls or to make a product purchase, please contact us at:
Phone: +86 024 86876567
Email: cykc@cykcgroup.com.cn
We look forward to providing you with high quality products and professional technical support!
