MILL TYPE 

ROLL FUNCTION 

MATERIAL

HARDNESS

Cold Rolling Mill

Intermediate Roll

9Cr2M, MC3, MC5

70 ~ 85 HSD

Work Roll 

9Cr2MoR, 86CrMoV7, MC3, MC5

80 ~ 105 HSC

Back-Up Roll 

60Cr3Mo, 9Cr2Mo, 86CrMoV7, 70Cr3NiMo

60 ~ 80 HSC

Sendzimir & Cluster Mill

Intermediate Roll

5H12

55 ~ 60 HSC

Work Roll

Cr12Mo1V1, Cr12MoVCo

60 ~ 65 HSC

Forged Shaft

42CrMo, 36CrNiMo4

35 ~ 45 HSC