DEVELOPMENT AND APPLICATION OF HIGH SPEED STEEL ROLL

High speed steel roll has the characteristics of high hardness, good red hardness and excellent wear-resistance, is widely used in steel rolling industry. The composition, microstructures and properties of high speed steel rolls are simply reviewed.The manufacture methods of high speed steel rolls are particularly discussed and the characteristics of different methods are commented. The service effects of high speed steel roll and the problems existing in the use of high speed steel roll are discussed, researching and developing direction of high speed steel roll is also forecasted.