We supply backup & middle roll for all kinds of cold rolling such as 4-Hi,6-Hi,12-Hi,18-Hi, 20-Hi etc.
It is produced with electroslag remelting furnace 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) |
Depth (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 |
BACK-UP ROLL & MIDDLE ROLL
