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

LMM PRODUCT

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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.

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.

Features and technical requirements of high-speed steel rolls

Application of High Speed Steel Rolls in Bar Production Line

Graphite 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
ZuS140CrNiMo	GS140	1.30-1.50	1.30-1.60	0.50-0.80		0.40-0.70	0.20-0.50
ZuS160CrNiMo	GS160	1.50-1.70	0.80-1.50	0.60-1.00	0.20-1.00	0.50-1.50	0.20-0.80
ZuS190CrNiMo	GS190	1.80-2.00	0.80-1.50	0.60-1.00	0.60-2.20	0.50-2.00	0.20-0.80

Physical Properties

Designation of rolls	Material code	Barrel hardness (HSD)	Neck hardness (HSD)	Tensile strength (Mpa)
ZuS140CrNiMo	GS140	36-46	≤46	≥540
ZuS160CrNiMo	GS160	45-55	≤50	≥500
ZuS190CrNiMo	GS190	50-65	≤50	≥450

Microstructure

Pearlite+Spherical graphite+Carbide

Application

Designation of rolls	Material code	Application
ZuS140CrNiMo	GS140	Small and medium steel, thick wire rod mill, hot strip rough roll, roller universal rolling mill
ZuS160CrNiMo	GS160	Small and medium steel, thick wire rod mill, hot strip rough roll, roller universal rolling mill
ZuS190CrNiMo	GS190	Small and medium steel, thick wire rod mill, hot strip rough roll, roller universal rolling mill

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.

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

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Graphite steel rolls

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