High Speed Steel Composite Roll
Schematic diagramProduct performance：HRC60~62Roll material: Tungsten-Molybdenum serial high carbon high Vanadium steel with total alloy amount at 20~25%W16: W EQ=16 —— Reaches W EQ of HSS (WEQ >15)All other tool steel roll WEQ is below 15,Website: to that of Mould steelWEQ = W PERCENTAGE + 2 x Mo PERCENTAGE.Single piece casting,density=8.05x103kg/m3.Properties:No chemical segregationUniform base material, stable microstructureUniform hardness（HRC±1）、low attenuationExcellent red-hardness, wear resistance and impact load capacityNo cracking nor pitting during rollingUniform wear along the groove, smooth groove surface
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Product specification：
Diameter：Φ300-Φ520
Roll width：40-130mmProduct performance：
HRC61~63
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