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40Cr3MoV / 9Cr2Mo / 70Cr3Mo Back UP Rolling Mill Rolls GB/T13314-91 250 - 650mm 

Place of Origin: Henan, China (Mainland) 
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Product Detail

Model No.: RM-6

40Cr3MoV, 9Cr2Mo, 70Cr3Mo 250 - 650mm Back UP Rollers For Rolling Mill GB/T13314-91
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40Cr3MoV, 9Cr2Mo, 70Cr3Mo 250 - 650mm Back UP Rollers For Rolling Mill GB/T13314-91

Description:

Back up rollers’ materials are 45Cr4NiMoV, 50Cr5MoV, 40Cr3MoV, 9Cr2Mo, 70Cr3Mo, 70Cr3NiMo, 55Cr, 35CrMo, and 70Cr3Mo is the most important material. On some high-speed overloaded rolling mill, back up  roller use even 50Cr4MoV and 45Cr5MoV as materials. Resist fatigue properties and wear resistance are more important. Higher alloy elements and low carbon content are its development directions.

Production processes: molten steel smelting –ingot- forging- heat treatment -machining-eventually heat treatment-finishing machining, etc.

Applications:

Back up roller is widely used in the production line metallurgical industry board strips, the longitudinal cutting tools, acid, zinc, tin, painted and winding, Nonferrous metal industry of annealing, pull thin and coating.

 

Specifications:

Cold rolling for steel forging:

Material

9Cr2Mo; 86CrMoV7; 9Cr3Mo; MC3,  MC5, etc.

diameter

250---650mm

UT

GB/T13314-91; GB/T15547-1995

Condition of delivery

(normalizing + tempering + Q&T)

Rough machining or finished delivery

 

Supporting roll with cold roll for steel forging

Barrel

hardness

70-78 HSD

Barrel

evenness

±1HSD

 

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Company Info

China Ball Mill Liners Online Market [China (Mainland)]


Business Type:Manufacturer
City: Guangzhou
Province/State: Guangdong
Country/Region: China (Mainland)

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