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 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
Italy: JSW steel
United Arab Emirates：Emirates Steel
Egypt:Ezz Steel
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

Code	AS60	AS60 I	AS65 I	AS70	AS70 I	AS70 II	AS75	AS75 I
C	0.55-0.65	0.55-.65	0.60-0.70	0.65-0.75	0.65-0.75	0.65-0.75	0.70-0.80	0.70-0.80
SI	0.20-0.45	0.20-0.60	0.20-0.60	0.20-0.45	0.20-0.45	0.20-0.45	0.20-0.45	0.20-0.70
Mn	0.90-1.20	0.50-1.00	0.50-0.80	0.80-1.40	1.40-1.80	1.40-1.80	0.60-0.90	0.70-1.10
Ni		0.20-1.50	0.20-0.50					≥0.20
Cr	0.80-1.20	0.80-1.20	0.80-1.20				0.75-1.00	0.80-1.50
Mo	0.20-0.45	0.20-0.60	0.20-0.45			0.20-0.45	0.20-0.45	0.20-0.60
Barrel hardness	35-50	35-45	35-45	32-42	35-45	35-45	35-50	35-50
Neck hardness	≤45	≤45	≤45	≤45	≤45	≤45	≤45	≤45
Tensile strength	>650	>750	>750	>650	>680	>700	>700	>800
Application	Bar, wire, strip, strip, steel rough rolling, narrow steel support rollers
Barrel diameter≤1400mm 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

Mexico on-site inspection and solution workshop

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.

Production Workshop

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.

Visiting customers on-site

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

rolling mill rolls hs code

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