Material selection of rolling mill rolls used in large and medium section steel mills
Description：In view of the complex section of large and medium-sized
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customization experts, to provide you with the best solution
LMM is a company specialized in mill roll production and supply. With many years of experience and advanced production equipment, we can provide you with high-quality and reliable mill roll products.
Our rolling mill rolls are suitable for various metallurgical industry fields, including the production of bars, wire rods, section steel, strips, etc. We can customize rolls according to customers’ specific requirements and application scenarios to ensure their performance and life in various environments.
TRUST THE LMM WHOSE ROLLS LAST THE LONGEST.
LMM specializes in roll grinding services. It has done so for over 30 years. We get you back up and running faster with our unmatched expertise and proprietary technology. The world No. 1 in crude steel production steel plant, over 70% of the ROLLS for bar and wire are from us.
Safe & stable mill rolls make your production more reliable
LMM rolls are made of high-quality materials, which can ensure the production of high-precision and high-quality finished products, Increased roll life means fewer regrinding cost, less roll changes and decreased downtime.
QUALITY
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SAFETY STAY UP AND RUNNING LONGER
Our rolls passed the IS09001:2008 quality management system certification. With LMM, you won’t have performance problems, experience product consistency issues or run slower.
SAVINGS
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FASTER AVOID EXPENSIVE DOWNTIME
We have overseas warehouses in the United States, Germany, Iran, India, Turkey, Mexico, we can receive and deliver your rolls faster, reducing costly downtime. Our mill rolls will run longer and better, saving you money in the process too.
VALUE
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PRODUCE A BETTER PRODUCT FOR A LONGER TIME
High-speed steel rolls developed by LMM the amount of steel passing in a single groove (times) is 3 to 5 times that of cast iron rolls.
Perfect production process
Cast rolls technical Process:
Modeling → smelting → centrifugal casting → cleaning → preliminary heat treatment → rough machining → differential heat treatment → finishing → packaging and delivery.
Processing Equipment
Technical excellence in our core competencies – melting, casting, forging, heat treating and machining – allows us to provide a superior product and meet the most demanding requirements of our customers.
The company strictly according to modern enterprise management requirements set up a perfectquality assurance system, and passed the ISO9001:2008 quality management system certification,ISO14001:2004 environmental management system certification, OHSAS18001:1999 occupationalhealth and safety management system certification.
With the globalization of the market strategy, information-based marketing system, high efficient and accurate market response, to promote market position. The products and projects of LMM Group have been exported to more than 90 countries and regions. Overseas warehouses and overseas branches have been successively established in the United States, Switzerland, Mexico, Germany, Iran, Turkey and other coun-tries. No matter when and where, LMM has always uphold the concept of quality service, take the initiative to communicate with customers by heart, rapid response, know the customer needs, to provide value-add-ed services to customers.
Classified according to the temperature when the rolled material is rolled
Classification according to the shape of rolled products
The rolled hot strip products are called hot strip rolls, and so on, there are: cold strip rolls, plate steel rolls, section steel rolls, seamless steel tube rolls, rod and wire rolls, etc.
Classification according to the function or position of the rolling mill on the rolling line
The blanking rolls used in the blanking mill are called blanking rolls, and so on, there are rough rolls, middle rolls, pre-finishing rolls, finishing rolls,
Finishing front rolls, finishing rolls, cross cut skinning rolls, slitting skinning rolls, slitting rolls, vertical rolls, edge rolling rolls, piercing rolls, tube rolling rolls, stripping rolls, tension reducing rolls, straightening Roller etc.
Classification according to the position of the roll on the rolling mill
The rolls that are in direct contact with the rolled material are called work rolls.
The roll that supports the rolling mill is called the back-up roll, and the roll that is farthest from the work roll in the multi-roll mill is called the back-up roll.
The roll between the work roll and the back-up roll in a multi-roll mill is called an intermediate roll.
Classified by roll material
According to the classification of materials, the rolls are divided into four categories: cast steel rolls, cast iron rolls, forged steel rolls and powder metallurgy rolls, and they are subdivided according to the material and main alloying elements of the working parts of the rolls.
Description：In view of the complex section of large and medium-sized
Description: This article introduces their respective working conditions about cold
Description: Roll surface defects mainly include vibration lines, roll marks,
Initiated a new process of rapid casting of conventional rolls
Successfully developed special rolls for finishing rolling of wire rod
Are You Looking for rolling mill rolls? – contact us to get best plan.
