We are offering our client an excellent quality range of Work rolls. Material coated in front roll usually referred to as Work rolls. Roll on the surface after cladding material called free roll. Roll freely on the groove to match the work roll makes the machine feed accelerated dramatically in homogenization effect was increased. The free groove on the roller can also prompt work roll grooves inside the material rotate and push towards the discharge end 
In traditional production mode of steel rolling, rolling mill contact rolled piece of the two roll of the roller diameter is generally the same. If during rolling roll a few configuration is symmetrical, you can call it as common symmetry with diameter rolling ，2, 6, 4 roller roller, roller, 12 20 mill and so on 
Material：9Cr2Mo，9Cr2MoR，9Cr2，9CrV,86CrMoV7 
Diameter：60-400 mm 
Standard：GB/T13314-91，GB/T15547-1995 
surface hardness：：HB280-320，Roll and end surface hardness：HSD90-95 
No cracks, surface spots, scratches, rust, non-metallic inclusion defects, etc 
the depth of hardening layer is more than 6 mm 
From mill diameter difference between two work rolls roll surface is less than 0.02 mm