rolling mill rolls hardness

The products of LMM Group have been exported to more than 90 countries, countries & areas in America, Europe, Southeast Asia, the Middle East, Africa, Asia, etc, forming strong and core competitiveness in steelmaking, continuous casting, rolling areas to supply high value-added, green, intelligent and one-stop solution and service to global customers in iron, steel, metallurgical industries, etc.

Please provide design data for special processing requirements

Product Description


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 diameter1400mm 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
    Section mill, bar mill, wire rod mill narrow strip mill, finishing stand
  • Alloy SG rolls

    Profiles, rods, wire and narrow strip mill thick, in the rolling mill stand
  • Pearlitic ductile cast iron roll
    Profiles, rods, wire and narrow strip mill thick, in the rolling mill stand
  • Bainite ductile cast rion roll

    Beam, bar, wire rod mill rough olling, the olling, prefinishing mill stand;seamless steel pipe 
    mill reducing rack set
  • Centrifugal cast iron roll

    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

    Bar, wire, strip, strip, steel rough rolling,’ narrow steel support rollers
  • Semi-steel roller

    Bar, wire, steel, crude and rolled strip, vertical roller, roll rings, support rollers
  • Graphite steel rolls

    Small and medium steel, thick wire rod mill, hot strip rough roll, roller universal rolling mill
  • High-chromium steel roll

    Hot strip roughing and finishing work roll front, wide plate mill work roll;steel universal mill roll
  • High-speed steel roll

    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

Please contact us if there is any question about rolls selection, price or construction:







  • On-site inspection and solution seminar in Mexico


  • Mexico on-site inspection and solution workshop



For more real case, please click      All Case >>    

Company Information

rolling mill rolls.jpg


Contact us


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.



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.


As professional one-stop solution provider, LIAONING MINERAL & METALLURGY GROUP CO., LTD(LMM GROUP) Established in 2007, and focus on engineering research & design, production & delivery, technology transfer, installation & commissioning, construction & building, operation & management for iron, steel & metallurgical industries globally. 

Our product 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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