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

High Chrome Cast Iron Rolls – work rolls

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The high Cr cast iron rolls are applied to work rolls for roughing/finishing stands of 4 -high medium, wide plate mill, work rolls for roughing/finishing stands of 4-high hot wide strip mill, work rolls/back-up rolls for tempering stands of 4- high cold and hot strip mill. The high Cr rolls are produced by centrifugal casting of three layers. The outer layer consists of high Cr white iron, the intermediate layer and core consist of SG. The material of outer layer has excellent wear resistance and good anti-fire and anti-spalling, resistance to banding defect and red hardness.

Typical Chemical Analysis and Mechanical Properties

Code C Mn Ni Cr Mo ME Hardness Tensile Strength
Barrel Neck
High Cr cast iron rolls 2.4/3.0 0.7/1.5 0.7/1.5 14/20 0.7/3.5 0.2/1.5 65-95 ≥850 ≥425


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How to find a trustworthy Adamite rolls manufacturer

If you want to find a trustworthy adamite rolls supplier with long-term cooperation, maybe you need to concern about as the following

1.Mill rolls equipment

The equipment plays an important role in the high-quality mill rolls. Types of equipment matters from the beginning to the finished products. Compared with alloy cast steel roll, adamite roll has a good abrasion resistance through a special heat treatment process, so for the products, the equipment ever much more important.

2.Quality Control

Different stages of production have to follow controlling parameters to ensure that the production department is working with the required efficiency. To get the quality mill roll, quality is absolutely necessary

3. Technological Advancement of the manufacturer

A reliable manufacturer will focus on technological advancement for its long-lasting development. The advanced technology can guarantee the improvement of products. The best supplier not only can provide high-standard products but also is the steel solution provider. Before choosing the company you should ensure the manufacture has a professional team for advanced technology.

4. Delivery time and price of the companyDelivery time often is the main factor to choose the supplier. Delivery on-time is also the basis of next time cooperation. Checking out the place of the company and the delivery term is essential. Price is also an important element for a best-value mill roll manufacturer.


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, EZZ steel etc. We do OEM for Concast and Danieli for a long time

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