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roughing roll finishing roll ring roll Middle roll Backup roll for 4 Hi mill 6 Hi mill

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Forged Steel Rolls applying for roughing roll finishing roll ring roll

BACK UP ROLL & MIDDLE ROLL

such as 4-Hi,6-Hi,12-Hi,18-Hi, 20-Hi etc.

and finished with forging and molten salt teat treatment.

◆MATERIAL & APPLICATION

MATERIAL

40Cr, 60CrMo, 9Cr2, 42CrMo, 70Cr3Mo, 9CrV, 55Cr, 9Cr2Mo, H12

◆SURFACE HARDNESS

HARDNESS (HSD)	Deepth (subject to the dia of roll) (mm)	APPLICATION
65-75	40	Middle roll Backup roll for 4 Hi mill
60-70	45	Middle roll Backup roll for 6 Hi mill
55-65	50	Backup roll

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