The backup forged roller has the advantages of dense and homogeneous tissues, excellent reliability and performance

1.Material: 9Cr2, 9Cr2Mo, 9Cr2W, 9SiCr, 86CrMoV7, MC3A, MC3B, MC5, 9Cr3Mo, 9Cr2MoV, 8CrMoV, Semi-high speed steel.

2.Specification: Dia=210-665MM   Weight=1-10t

3. Gas and harmful elements:

[H]≤2PPm

[O]≤50 PPm

[N]≤200 PPm

S≤0.020%

P≤0.020%

4. Finished roller quality

Hardness: 90-96HS

hardening layer thickness(mm): Cr2 series:13-16; Cr3 series:20-30; Cr5 series; 30-40

Homogeneity of hardness: ±1.5HS

Soft strip width: ≤60mm

Roller diameter hardness: 30-60 HS

End part excessive area hardness gradient: ≤2.5 HS/mm

Surface  redundant A-impurity: ≤15%

Roughness: Ra0.8

Dimensional precision: IIT6 grade

5.Process: Furnace(EBT)+LF+VD→electroslag remelting →steel ingot→heating→forging→heat treatment→inspection→roughing processing→roller blank checking→submission 

       →quenching and tempering →testing→second-time roughing processing→surface
               quenching→finished roller→checking and submission

6.Technical Data: Chemical Composition, Physical Properties and Mechanical Testing according to the customer's requirement 

7.Manufacturer:  Chongqing Yuesheng Mechanical Roller CO., Ltd.

8.Standards:ISO9001

9.Advantage: Punctual Delivery, Competitive Price, Short Lead Time, High Quality, Superb R&D, High OEM Capacity, Various Product Line, Reliability, High Reputation, Made To Order, Rich Experience