01
2023-03
How are rollers classified by material?
The rollers are mainly divided into three categories according to material: cast iron rollers, cast steel rollers, and forged steel rollers. The carbon content of cast iron rollers is 2. 5% About 50/0-3.5%, which can be divided into four categories according to main materials: chilled cast iron rollers, infinite chilled cast iron rollers, high chromium cast iron rollers,
2023-03-01
01
2023-03
Development of High Speed Steel Roll
The metallographic structure of a typical high-speed steel roller consists of a martensitic (or bainitic) matrix plus various types of carbides such as MC, M2C, M6C, and M7C3 with high hardness. There are also reports of research and application of high-speed steel rollers in China. The General Institute of Iron and Steel Research has pioneered the development of high-speed steel rollers in China,
2023-03-01
01
2023-03
China's roller product structure still needs to be optimized
Over the years, China's roller manufacturing industry has experienced development stages such as developing supporting rollers for the introduction of rolling mills, achieving localization of roller manufacturing, and exporting high-end rollers in batches. At present, it has formed a complete roller manufacturing system, becoming a major roller manufacturing country in the world, and has cultivated Sinosteel Xingji, the world's largest roller production capacity, and a group of roller manufacturing enterprises with relatively obvious professional advantages.
2023-03-01
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