Forgings and castings for engineering



OMZ-Special Steels manufactures forgings for general engineering: forged rods, plates, smooth shafts and step-shaped shafts, calender shafts, shafts for cement industry, bearing blanks, disks, plates, rings, axles, pinions etc.

Forged rods (shafts), smooth and step-shaped, platesare made of steel grades St.45, St.-52.3, 42CrMo4, 35NCD16, 18CrNiMo7-6, 100Cr6, 90MnCrV, 34CrNiMo6, AISI 4 140, AISI 4 130 etc. Weight 0.1 to 80 tons, shaft diameter up to 1 000 mm, length up to 12 000 mm, plate thickness up to 800 mm.

Forgings for paper industry, automobile industry and machine tool industry – are of carbon, alloyed, stainless steel grades from ingots up to 150 tons. Length up to 20 000 mm, external diameter up to 2 500 mm, disk diameter up to 4 000 mm.

Shafts for cement industry are made of steel grade 42CrMo4.

Forgings for mining-crushing and grinding equipment: shafts, axles, gears etc. are made of steel grades 40CrNi2MoA, 40CrNiMoA, 34CrNi1MoA, 34CrNi3MoA, 38CrNi3MoVA, St.20, St.45 etc. 

Forgings for calendar rolls are made of alloyed steel grades from ingots up to 180 tons. Weight of forging up to 60 tons, external diameter up to 1 500 mm, internal diameter up to 1 200 mm, length up to 8 500 mm. 



Our company is recommended as reliable producer of steel castings and ready to install details for machinery and metallurgy.

Our clients are such companies as BELAZ, TyazhMash and others. Steel castings from 150 kg to 170 t can be one-of-a-kind or serial.

Product examples: 

  • Castings for machinery: supports, carriers, flanges, ferrules, bodies, hubs etc. 

Steel grades (Casting Steels): 20MnS, 25, 08MnCuNiV, 35CrNi2Mo, 30 CrMoNi, 35CrNi2Mo, 5CrMoNi, 35Cr18Ni24S2, GS20Mn5.

OMZ-Special Steels production produces spare parts for excavators, mills, crushing equipment from alloys of increased hardness.

We understand how important strength and wear parts for mining equipment, and guarantee our customers a long service life of cast parts of our production.

We are produce spare parts for: excavators, grinder and crushing equipment drilling, rig walking system.

Steel grades (Casting Steels): 110Mn13, 25, 20MnS, 08MnCuNiV, 35CrNi2Mo, 30CrMoNi, 35CrMo, 08MnCuNiV, 35Cr18Ni24S2, 20MnNiMoV, 42CrNiMoV, GS32NiCrMo64V etc. 

Forgings Sales Department for Engineering: 
Phone: +7 (812) 322-83-19, fax: +7 (812) 322-80-07
Contact Personnel: Konstantin A. Dyakov 

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