The world No. 1 in crude steel production steel plant, over 70% of the HSS for bar and wire are from us.

YUAN HUI
YUAN HUI
LMM GROUP main products focus on the cold and hot plate & wide strip mill rolls and heavy section mill rolls and big casting & forging pieces.

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 Rolling mill rolls material

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Description: Before 2010, the rolling mill rolls material of the rolling mill was generally 9Cr2Mo. With the improvement of roll forging materials and the improvement of roll quality requirements, it was gradually replaced by 9Cr3Mo after 2015.

Keyword: Rolling mill rolls material

At present, 9Cr5Mo1V roll blanks have been widely used in the cold rolling industry of steel plates, and are recommended as the material of “work roll”. 9Cr5Mo1V has higher Mn, Mo and Cr contents than 9Cr2Mo and 9Cr3Mo. The increase of the content of the above elements can improve the strength and hardness of the material, increase the wear resistance and hardenability of the material (it has better comprehensive mechanical properties after quenching and tempering) and mechanical properties, which is beneficial to improve the thermal processing performance of the roll And improve the surface hardness and wear resistance after heat treatment.

Therefore, the roll blank using 9Cr5Mo1V has higher tensile strength and compressive strength, and under the same rolling conditions, the deflection deformation of the roll is smaller. With the maturity of 9Cr5Mo1V roll manufacturing process and the reduction of cost, the roll blank material of subsequent rolls will be gradually replaced by 9Cr5Mo1V.

LMM Rolling mill rolls PDF download

Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.

A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.

Always a pre-production sample before mass production;
Always final Inspection before shipment;
During the epidemic, provide remote detection technical support

Tell us a little about your application and we’ll get back to you to finalize a quotation to meet your needs as quickly as possible.

Rolling mill rolls product

Classification by roll material:

Cast iron mill rolls

  • Alloy indefinite chilled cast iron rolls
  • Alloy chilled cast iron rolls
  • Alloy SG ductile cast iron roll
  • Pearlitic ductile cast iron roll
  • Bainite ductile cast iron roll
  • Centrifugal cast iron roll


Cast steel mill rolls   

  • Alloy cast steel rolls
  • Semi-steel roller
  • Graphite steel rolls
  • High-chromium steel roll
  • High-speed steel roll


Forging mill rolls

Sort by position on the rolling mill:

Work rolls
backup rolls

Intermediate roll

Product advantage

The world No. 1 in crude steel production steel plant, over 70% of the HSS for bar and wire are from us.

LMM high-speed steel rolls have higher steel passing per groove (times) due to their good wear resistance, which saves roll changing time, improves rolling mill operation rate, reduces roll consumption, and improve the overall efficiency of the factory.
Generally, the amount of steel passing in a single groove (times) is 3 to 5 times that of cast iron rolls.

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