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.
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 | √ |
The rolls are produced by static and monobloc casting method. The scope of supply is suitable to all dimensions of rolls. The products are mainly applied to section mill, bar mill and wire-rod mill, rail mill, universal mill breakdown stand, roughing stands of hot strip mill, back-up rolls of hot strip mill, vertical rolls and so on.
The adamite rolls also called adamite Steel Rolls has better strength and toughness than cast iron roll. It is widely used for work rolls in hot rolling mills. The adamite rolls are statically cast and go through a multi-stage heat treatment process followed by Tempering phases in order to develop the combination of hardness, toughness and wear resistance.
Adamite rolls chemical composition
The adamite roll materials can be considered as composite materials of two phases of coarse carbides and matrix. As a consequence, the hardness of these roll materials may be markedly affected by the amount and hardness of coarse carbides.
The products covered all the Adamite /GST material with “C” contents of 1.0%-2.2%.
Typical Chemical Analysis,Physical Properties:
| Material | C | Mn | Ni | Cr | Mo | Barrel Hardness | Neck Hardness | Tensile Strength |
| 140 CrNiMo | 1.30-1.50 | 0.70-1.50 | 0.20-1.20 | 0.80-1.20 | 0.20-1.00 | 35~50 | ≤50 | >590 |
| 160 CrNiMo | 1.50-1.70 | 0.70-2.00 | 0.20-1.50 | 0.80-1.50 | 0.20-1.00 | 45~56 | ≤50 | >490 |
| 180 CrNiMo | 1.70-1.90 | 0.70-2.00 | 0.50-2.00 | 0.80-1.50 | 0.20-1.00 | 50~65 | ≤50 | >450 |
| 200 CrNiMo | 1.90-2.10 | 0.80-2.00 | 1.0-3.0 | 1.00-2.50 | 0.30-1.50 | 55~68 | ≤50 | >450 |
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
Strictly control the uniformity of furnace temperature to ensure the consistency of roll hardness.
The equipments all use computer centralized control automation system
To meet various precision and requirements Equipped with:
Whole process quality and inspection system from raw materials to finished rolls
The whole process implements computer information collection and feedback processing.
Equipped with
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.
Select product
Get a quote quickly
Get in touch today and receive a complimentary consultation for refractory material
