Rolling Mill Rolls Manufacturer

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

Please provide design data for special processing requirements


Founded in 2007, LMM GROUP mainly produces all kinds of metallurgical rolls for various types of steel, bar, high-speed wire and strip hot and cold plate and strip rolling mills.

The company covers an area of 100,000 square meters, including two complete production lines for cast rolls and forged steel rolls, processing workshops, product research and development centers, testing centers, training centers and office buildings and other supporting facilities. The factory environment is very beautiful.

LMM have been supplied to world’s top steel manufacturer Arcelormittal, TATA Steel, NLMK, MMK, etc. We do OEM for Concast and Danieli for a long time


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

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

Designation of rolls

Barel hardnessNeck hardness>Tensile strengthCSiMnNiCrMoMg






Cast Iron Roll

Alloy indefinite chilled cast iron rolls77-8235-55>3503.10-3.400.80-1.200.50-1.003.80-4.501.40-2.000.20-1.20 Protile,rod and wire, nanrow strip mill finishing stand,Plate, flat rack,strip finishing
Alloy chilled cast iron rolls70-8532-45>3503.00-3.400.30-0.800.20-1.003.10-4.000.50-1.700.20-0.60 Section mill、bar mill、wire-rod mill narrow strip mill、finishing stand
Alloy SG rolls60-7035-55>3203.00-3.401.40-1.900.40-0.801.10-2.000.30-1.000.20-0.60≥0.04Profiles. rods, wire and narrow strip mill thick. in the rolling mill stand
Pearlitic ductile cast iron roll62-7235-55>4503.00-3.401.00-2.000.40-0.802.51-3.000.20-1.200.20-0.60≥0.04Profiles, rods, wire and narrow strip mill thick, in the rolling mill stand
Bainite ductile cast iron roll60-8032-45>3503.00-3.401.00-2.000.40-0.803.51-4.500.20-1.000.50-1.00≥0.04Beam. bar, wire rod mill rough rolling. the rolling, pre-tinishing mill stand;seamless steel pipe mill reducing rack set
Centrifugal cast iron roll75-9032-45>3503.00-3.300.30-1.000.50-1.200.70-1.7018.01-22.001.51-3.00 Beam, bar, wire rod mill finishing stand; Tropical rough rolling androlling and finishing work roll front: Wide plate mill work rolt;



Cast Steel Rolls

Alloy cast steel rolls35-50≤45>8000.70-0.800.20-0.700.70-1.10≥0.200.80-1.500.20-0.60 Bar, wire,strip,strip, steel rough rolling,narrow steel support rollers
Semi-steel roller50-65≤50450-7001.90-2.100.30-0.800.80-1.200.60-2.500.60-2.000.20-0.80 Bar. wire,steel, crude and rolled strip, vertical roller,roll rings,support rollers
Graphite steel rolls50-65≤50≥4501.80-2.000.80-1.500.60-1.000.60-2.200.50-2.000.20-0.80 Small and medium steel,thick wire rod mill, hot strip rough roll, roller universal rolling mill
High-chromium steel roll70-8535-45≥4501.00-1.800.40-1.000.50-1.008.0-15.00.50-1.501.50-4.50 Hot strip roughing and finishing work roll front, wide plate mill work roll; steel universal mill roll
High-speed steel roll75-9830-45400-5000.60-1.200.80-1.500.50-1.000.20-1.203.00-9.002.00-5.00 Rolled strip, bar finishing roller, high speed wire pre-finishing,steel roller universalrolling mill, wide plate mill work rolls
Achieve Optimal Efficiency with Durable Rolling Mill Rolls

Applied to Bar Mill

Applied to Section-Mills


Applied to flat strip mill

Used for finishing stand of cold and hot strip mills


Applied to Wire Rod Mill

We provide a superior product and meet the most demanding requirements of our customers

Technical excellence in our core competencies – melting, casting, forging, heat treating and machining

Meet the largest specification of casting roll Φ1400X4600X9000

  • 20T/30T dual power inverter intermediate frequency electric furnace
  • lOT, 5T, 3T intermediate frequency electric furnace, a total of 8
  • 60T LF ladle slightly smelting furnace
  • 60TVD vacuum refining furnace
  • V.C vacuum casting furnace
  • Equipped with advanced Spraying and sand casting equipment

Strictly control the uniformity of furnace temperature to ensure the consistency of roll hardness.

The equipments all use computer centralized control automation system

  • 30 numerically controlled resistance high low temperature heat treatment furnaces
  • Spray quenching equipment
  • Open differential temperature heat treatment furnaces
  • Gas baking furnaces

To meet various precision and requirements

  • Over 20 large-sized imported NC grinding machines
  • Large-medium sized NC lathes
  • Large-medium sized NC planer-type double-side milling machines
  • As well as over 100 dedicated lathes for various rolls of C61250, C61200, C61125, C84180, C84160, C8463, C8440 and C91250 and etc.

Whole process quality and inspection system from raw materials to finished rolls

The whole process implements computer information collection and feedback processing.

  • American Leco CS230 carbon and sulfur analyzer,
  • German Bruker Q8 direct reading spectrometer,
  • Japanese Shimadzu MNV-2T golden microscope,
  • German KK USD12 ultrasonic flaw detector, and etc.

LMM Mill Rolls are designed to give your plant the best possible performance at the lowest possible cost.

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.

LMM Service Display

LMM have been supplied to world’s top steel manufacturer Arcelormittal, TATA Steel, EZZ steel etc. We do OEM for Concast and Danieli for a long time

Our Client Say?

LMM GROUP have been supplied to world’s top steel manufacturer :

United Arab EmiratesEmirates Steel
Egypt:Ezz Steel
Russia:MMK,Mechel, NLMK

Luxembourg:RIVA Group,ArcelorMittal
Turkey: Tosyalı Holding,İçdaş,Erdemir Group
Spain: Liberty Steel Group,CELSA Steel Group
India: tata-steel,SAIL, SPL,Erdemir Group etc. We do OEM for Concast and Danieli for a long time

Pre-Sales Service

* Inquiry and consulting support.

* Planning layout and Design requires machinery

* Welcome visit our Factory.

* The production process and before leaving the factory, all performance indicators are strictly tested, and the professional QC team controls according to the process.

After-Sales Service

* Engineers available to service machinery overseas.

* IN-TIME delivery goods.

* The quality is tracked throughout the process, and the installation and use are guided throughout the process.

* Long-term technical support.

* Stick to the agreement, do not do anything that violates the agreement, stick to the spirit of the contract to the end.

Contact us today to discuss your specific needs!

Custom Rolling mill rolls with Easy

At LMM GROUP, We turn complex Into Simple! Follow the following 3 steps to start today!

1. Tell Us What You Need

Tell us as specific as possible of your needs, provide the drawing, reference picture and share your idea.

2. Get Solution & Quote

We will work on the best solution according to your requirements and drawing, the specific quote will be provided within 24 hours.

3. Mass Production

We will start mass production after getting your approval and deposit, and we will handle the shipment.

Are You Looking for rolling mill rolls? – contact us to get best plan. 


Contact US Now !

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

Contact US Now !

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