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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high speed steel rolls

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High-carbon high-speed steel roll (referred to as high-speed steel roll) is the hot roll material with the shortest time, the fastest development and the widest application prospect. High-speed steel is also known as wind steel or front steel, which means that it can harden even when cooled in air when quenched, and it is very sharp. It is a complex alloy steel containing carbide-forming elements such as tungsten, molybdenum, chromium, and vanadium. The total amount of alloying elements is about 10% to 25%.

Features

(1) High hardness of carbide
(2) good thermal stability
(3) Good hardenability
(4) Excellent strength and toughness
(5) Good ability to form oxide film
(6) Good thermal crack resistance
(7) good

Application

The application of high-speed steel rolls is an important part of the development of modern steel rolling production. It is another major change to the development of the iron and steel industry after microalloying, controlled rolling and controlled cooling technology. High-speed steel rolls have been widely used in steel rolling production in the fields of plate, section steel, bar and wire rod in Japan, not only for work rolls, but also for backup rolls. The good wear resistance of high-speed steel rolls is inseparable from its characteristics that are significantly different from traditional rolls.

high speed steel rolls

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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We would be happy to help and advise if you have any questions or inquiries.