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A special steel enterprise specializing in the production, research and development and sales of high alloy steel forgings
17
2021
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11
New high boron high speed steel roll material into development
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Roller is an important component in steel rolling production, and the development and application of its own material is also very important.
Roller is an important component in steel rolling production, and the development and application of its own material is also very important. In recent years, with the rapid development of China's automobile, household appliances, railway, bridge and construction industry, the rapid development of steel rolling industry has been promoted. At the same time, higher requirements have been put forward for the dimensional accuracy, surface quality and performance of rolled products, which has promoted the progress of rolling technology. How to improve the performance of the roll to meet the needs of rolling steel is a new topic facing the roll workers. B is a very widely used element in the field of metal materials. A trace amount of B added to alloy steel can significantly improve the hardenability of steel. To achieve the same effect, other precious elements such as chromium, nickel and manganese must be dozens or even hundreds of times of boron content. Reasonable selection of boron content in the alloy, control of boride precipitation morphology and matrix structure, but also can further improve the performance of the alloy. As the outer material of the roll, there is not much research at home and abroad, and the application is less, trying to combine the high-speed steel matrix with high-boron steel to develop a new high-boron high-speed steel roll material.
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