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Chengdu Kaiyuan Roll Industry Co.,Ltd is one of the professional guide roll manufacturers and suppliers offering newest, advanced and durable high speed steel guide roller, pre-finishing stand roll, round bar finishing mill roll, rebar finishing mill roll with high quality and high performance, which is one of the best brands, welcome to check the pricelist and quotation with us.
Product specification：
Diameter：Φ50-Φ400
Roll width：30-160mm
Product performance：
HRC60~62
Roll 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，similar to that of Mould steel
WEQ = W PERCENTAGE + 2 x Mo PERCENTAGE。
Single piece casting，density=8.05x103kg/m3。
Properties:
No chemical segregation
Uniform base material, stable microstructure
Uniform hardness（HRC±1）、low attenuation
Excellent red-hardness, wear resistance and impact load capacity
No cracking nor pitting during rolling
Uniform wear along the groove, smooth groove surface