Chengdu Kaiyuan Roll Industry Co.,Ltd is one of the professional high speed steel composite roll manufacturers and suppliers offering newest, advanced and durable pre-slitting 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.

Schematic diagram

Product specification：
Diameter：Φ320-Φ450
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