technology & solution

Rolling mill rolls manufacturer

LMM GROUP Rolling mill rolls production factory have two roll production lines with world leading advantages: One is for cast rolls with the annual capacity of 50,000 tons; the other is for forged rolls with the annual capacity of 5,000 tons. We have advanced production and testing equipment at home and abroad and professional research & development team.

rolling mill rolls
rolling mill rolls
rolling mill rolls

rolling mill rolls hs code

Brand name: LMM GROUP
Packing Details : Wooden box with fumigation or Wooden Fram
Delivery Details: 30~60days or Based on the quantity
Shipping: Sea freight、Land freight、Air freight

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

Australia: Liberty steel/Bluescope steel
Iran: Oxin steel
Italy: JSW steel
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

Manufacture drawing
Process schedule with ETD date
QC checking of each process
Checking report
Photos &videos of each process
ISO 9001 certificate
Warranty Time
The third party Checking
 

We manufacture various high-quality rolling rolls according to the clients’ needs , and to ensure the stability and accountability of the quality

Alloy cast steel rolls

CodeAS60AS60 IAS65 IAS70AS70 IAS70 IIAS75AS75 I
C0.55-0.650.55-.650.60-0.700.65-0.750.65-0.750.65-0.750.70-0.800.70-0.80
SI0.20-0.450.20-0.600.20-0.600.20-0.450.20-0.450.20-0.450.20-0.450.20-0.70
Mn0.90-1.200.50-1.000.50-0.800.80-1.401.40-1.801.40-1.800.60-0.900.70-1.10
Ni 0.20-1.500.20-0.50    ≥0.20
Cr0.80-1.200.80-1.200.80-1.20   0.75-1.000.80-1.50
Mo0.20-0.450.20-0.600.20-0.45  0.20-0.450.20-0.450.20-0.60
Barrel hardness35-5035-4535-4532-4235-4535-4535-5035-50
Neck hardness≤45≤45≤45≤45≤45≤45≤45≤45
Tensile strength>650>750>750>650>680>700>700>800
ApplicationBar, wire, strip, strip, steel rough rolling, narrow steel support rollers
Barrel diameter1400mm Barrel length≤4600mm

 

Our Products

  • Alloy indefinite chilled cast iron rolls
    Application: Section mill, bar mill, intermediate and finishing stands of wire-rod mill
    Protile, rod and wire, narrow strip mill tinishing stand, Plato, flat rack, strip finishing 
  • Alloy chilled cast iron rolls
    Application:
    Section mill, bar mill, wire rod mill narrow strip mill, finishing stand
  • Alloy SG rolls
    Application:

    Profiles, rods, wire and narrow strip mill thick, in the rolling mill stand
  • Pearlitic ductile cast iron roll
    Application:
    Profiles, rods, wire and narrow strip mill thick, in the rolling mill stand
  • Bainite ductile cast rion roll
    Application:
    Beam, bar, wire rod mill rough olling, the olling, prefinishing mill stand;seamless steel pipe 
    mill reducing rack set
  • Centrifugal cast iron roll
    Application:
    Beam, bar, wire rod mill finishing stand; Tropical rough rolling androlling and finishing work roll front; Wide plate mill work oll
  • Alloy cast steel rolls
    Application:

    Bar, wire, strip, strip, steel rough rolling,’ narrow steel support rollers
  • Semi-steel roller
    Application:
    Bar, wire, steel, crude and rolled strip, vertical roller, roll rings, support rollers
  • Graphite steel rolls
    Application:

    Small and medium steel, thick wire rod mill, hot strip rough roll, roller universal rolling mill
  • High-chromium steel roll
    Application:
    Hot strip roughing and finishing work roll front, wide plate mill work roll;steel universal mill roll
  • High-speed steel roll
    Application:
    Rolled strip, bar finishing roller, high speed wire pre finishing, steel roller universalrolling
    mill, wide plate mill work rolls,Rough rolling hot strip mill work rolls, cold rolled strip steel work roll, intermediate roll

 

  • On-site inspection and solution seminar in Mexico

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  • Mexico on-site inspection and solution workshop

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FAQ

1. Are you a trader or manufacturer?

We are manufacturer, we have our own factory.

2. Can you accept OEM or ODM?

 Of course, logo is also acceptable.

3. What is the delivery time?

About 10-20 days after signing the contract.

4. What is your payment term?

T/T, L/C, D/P, Paypal, West Union and others.

 

Service

1. Timely Response: Quick response emails and solutions to your inquiry in 24 hours.

2. Free Sample: Sample and trial orders are accepted for the quality evaluation.

3. Shorter Delivery Time: Book the earliest vessel or plane to guarantee the delivery time.

4. Professional Service: Provide high temperature solutions, installation & technology service.

 

Product testing

Product packaging

Product production process

Static Cast Rolls

Centrifugal Cast Rolls

Forged Rolls

Production 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.

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 Equipped with:

  • 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.

Equipped with

  • 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.

Product Brochure Download

About LMM

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.

We can provide characteristic service and differentiated products according to the different conditions of rolling mill.

Get a quote quickly

Get in touch today and receive a complimentary consultation for refractory material

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