Roller and Roller Blank

Grade:9Cr2,9Cr2Mo,9Cr2W,9SiCr,86CrMoV7,MC3A and so on Specification and sizes:210-650mm, 300-700, 400-750, 400-850, 180-500mm

   

Classification	Roll Body Diameter(mm)	Grade	Roller Body Hardness	Depth of Hardening Zone (mm)	Noxious Element	Noxious Element
Cold-rolling roller and roller blank	working roller 210-665mm                        middle roller 300-700mm            backup roller 400-750mm      smoothing roller 400-850	9Cr2,9Cr2Mo,9Cr2W, 9SiCr,86CrMoV7,MC3A,MC3B, MC5, 9Cr3Mo, 9CrMoV,8CrMoV,8Cr5Mo2SiV	roller body  90-96HS hmegeneity  ±1.5HS   roller neck  30-60HS	Cr2 series 13-16 Cr3 series 20-30 Cr5 series 30-40	H≤2PPm  O≤50PPm N≤200PPm S≤0.020% P≤0.020%	structure 1-4     A inclusion≤1.5  B inclusion≤1.5   No crack, shrinkage, flake General porosity ≤3 Genter porosity≤3 Segregation≤3
Hot-rolling roller and roller blank	400-850mm	45Cr,55Cr,42CrMo,50CrMo, 60CrMo,60CrNiMo,H13,0CrMnMo,60CrMoV,70Cr3Mo,70Cr3NiMo,50CrNiMoV	roller body  50-75HS hmegeneity   ±2.0HS      roller neck 30-60HS	Cr series 15-25 CrMo series 20-35	P≤0.25   S≤0.25   Cu≤0.25	Crack,shrinkage, flake and bubble without visualization
Continous casting roller and roller blank	180-500mm	Hz102f                R73                     BCR01	20-41HS		N≤200PPm  H≤2PPm    S,P≥0.020%	δb≥700MPaσs≥600MPa  δ5≥20% ψ≥50% a k≥150J/cm2

Our Roller and Roller Blank are of good quality and in reasonable price.

Roller and Roller Blank