Details
The forged cold roll including work roll, intermediate roll and backup roll. In order to ensure product quality, the mill rolls provided by Yelong are all from the beginning of the ingredients, through smelting, LF/VD, ingot casting, electroslag remelting, forging, post-forging heat treatment, rough machining, preparatory heat treatment, semi-finishing, induction quenching, sub-zero treatment, tempering, finish machining, packaging and other processes. The working layer can reach above 30mm. The grain size is controlled at grade 9.5-11 and martensite grade≤2 to ensure the wear resistance and anti-accident performance of the roll.
Chemical composition
|
material |
C |
Si |
Mn |
Cr |
Ni |
Mo |
V |
|
Cr2 |
0.8-0.95 |
0.15-0.6 |
0.2-0.5 |
1.7-2.4 |
≤0.25 |
0.15-0.5 |
0.05-0.15 |
|
Cr3 |
0.5-0.95 |
0.2-0.9 |
0.2-0.9 |
1.8-3.5 |
≤0.6 |
0.15-0.6 |
0.05-0.15 |
|
Cr5 |
0.5-0.95 |
0.2-0.9 |
0.2-0.9 |
4.8-5.4 |
0.15-0.6 |
0.15-0.6 |
0.1-0.3 |
MESSAGES
We will contact you within one working day. Please pay attention to your email.
Yelong International
E-mail:
yelong @ yelongintl.com
Xingtai Office：
B1207-1208 Fengji Bldg, Zhonghua Road, Xingtai,Hebei, China 054000
Beijing Office：
B402-1078 Government Office Bldg, Shicheng Town, Miyun District, Beijing, China
Qingdao Office：
B3318 Wanda Plaza, No.33 Lianyungang Road, Qingdao, Shandong, China 266034
