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

We can provide special services and differentiated products according to the different working conditions of the rolling mill.


Service Include

Our Clients Give The Best Feedback

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Although the price of LMMGROUP is 1.22 times that of the current rolling stock, through this trial, the data shows that the amount of steel passing through is more than 1.3 times higher than the current rolling stock, and the rolling groove wear of the off-line rolling is better than the current rolling stock.
B steel
B steel
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According to the trial situation, The average amount of steel passing through LMMGROUP rolling is about 50%-60% of the alloy rolling spoke. The processing difficulty of high-speed steel is low, and the processing cost is lower than that of the alloy rolling wheel.

High – Chromium steel rolls

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 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

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

Chemical Analysis

Designation of rolls Material code C Si Mn Ni Cr Mo
CS HCrS 1.00-1.80 0.40-1.00 0.50-1.00 8.00-15.00 0.50-1.50 1.50-4.50

Physical Properties

Designation of rolls Material code Barrel hardness (HSD) Neck hardness (HSD) Tensile strength (Mpa)
CS HCrS 70-85 35-45 ≥450


 tempered martensite+carbide sorbite


Designation of rolls Material code     Application
 CS HCrS Hot strip roughing and finishing work roll front,
wide plate mill work roll; steel universal mill roll

What do I need for offering a quote ?

Please offer us 2D or 3D drawings (with material, dimension, tolerance, surface treatment and other technical requirement etc.) ,quantity, application or samples. Then we will quote the best price within 24h.

Contact US Now !

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