Part 1 Different materials rolls and the hardness No. RollsMaterials Hardness 1 HighNi-CrCastIronRolls HSD76~82 2 HiChromiumCastIronRolls HSD72~82 3 Semi-SteelRolls HSD55~65 4 ChilledCastIronRolls HSD50~70 5 Hi-CarbonSemi-SteelRolls HSD65~7...

Austenitic manganese steel, also called High manganese steel, is a kind steel that commonly used for wear-resistant steel in machinery industry, these wear parts usually have excellent performance: high strength, high toughness,high wear re...

Basic Information of HSS Rolls: High-speed steel roll is one type hot roll materials that the advent late, but developed rapidly,used widely, has good thermal stability.In the temperature, rolls surface has high hardness and excellent abras...

Superhard cutting tools appears because of higher requirements on the workpiece materials hardness, mainly include diamond tools and cbn tools. Diamond tools have high hardness and abrasive resistanct, and can be used for machining Copper,A...

What circumstances cn inserts need to be replaced? When the cbn insert is damaged, we need to change it, such as chipping,peeling, broken, cracked, and it will easily produce interrupt turning condition. When the insert dimension over the t...