We supply working 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
GRADE |
MATERIAL |
APPLICATION |
C |
8CrMoV, 86CrMoV7, 85Cr2MoV, 9Cr2Mo, 9Cr2MoV, 9Cr2W , 9Cr3Mo, GCr15 |
Common working roll |
B |
SKD11, DC53 |
High wearability |
A |
M2, M7, M42, MC3, MC5, M2Co, DF3A |
High wearability Excellent resistance to fire crack |
◆ SURFACE HARDNESS
HARDNESS (HSD) |
Depth (subject to the dia of roll) (mm) |
APPLICATION |
||
|
<300 |
300-500 |
>500 |
|
>95 |
6 |
7 |
8 |
Finishing mill, leveler |
90-96 |
8 |
12 |
13 |
Finishing mill for strip or plate |
75-90 |
10 |
14 |
15 |
Roughing mill for strip or plate |