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Forged cold mill roll

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Product description
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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

 

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Yelong International

E-mail:

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

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