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Quanhui Machine Manufacture Co., Ltd.
Industrial Steel Rollers;Industrial Rubber Rollers;Mill Rollers
 
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Round - Welded Steel Plate Industrial Steel Rollers , Quenching hardened steel rollers

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Title: Round - Welded Steel Plate Industrial Steel Rollers , Quenching hardened steel rollers 
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Quenching Industrial Steel Rollers Of Round - Welded Steel Plate

 

 

Specifications:

 

Type

Specification

Material

Surface treatment

quenching roller

Φ210-Φ2000

45#steel/40Cr

knurling+quench+chrome-plating/carbonized wolfram

 

 

Description:

 

 After three years development and research, we achieved success in manufacturing the quenching rolls

 by adopting the new technology of bending and welding 45# steel plate. We have been granted state 

 invention patent for our quenching roll. The quenching rolls have been widely applied in different lines of

 Bao Steel, and have also been accepted and sold to Mitsubishi, JFE, SPCO, CHUGAI RO, NSSC and 

 POSCO, etc. It can well replace the imported forged quenching rolls with the significant cut in the cost. 

 Welding rod 507 is usually used to weld the steel plate 45#, but welding rod 507 can only guarantee the

 strength without hardness guarantee. The hardness can be guaranteed by adopting build-up welding,

 but the welding seam is prone to crack easily. We have tackled aforesaid problems by developing the 

 new welding material. The hardness of the welding seam after the heat treatment can reach the same 

 hardness level as the base metal with no bore and crack. 

 

 

Applications:

 

Cold rolling line: tension roller, deflector roller, steering roller, correction roller, and measurement roller 

applied in galvanizing line, color galvanizing line and continuous annealing line 

It is also the necessity of producing high-end auto sheet. 

 

 

Advantages:

 

1, Material using just 1/10 of the forging parts

2, Cost savings for the company drastically

3, Welding seam without defects, no bore and crack

4, Guaranteed hardness and strength

5, Long serving life 10 times than the non-quenching roll

6, The hardness of the welding seam and original material is the same

 


Round - Welded Steel Plate Industrial Steel Rollers , Quenching hardened steel rollers
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