Gears, pinion shafts, pins and other cemented particularly responsible highly loaded parts, which are subject to requirements of high strength, ductility and toughness of the core and high surface hardness, operating under impact loads or at sub-zero temperatures.
Classification, nomenclature and general standards: GOST 4543-2016 Forgings: GOST 8479-70, GOST 1133-71 Long and shaped rolled products: GOST 2590-2006 Sheets and strips: GOST 19903-74 The material is supplied in the form of strips, sheets and blocks. We produce rectangular and other shaped parts from forgings or strips according to customers' requests.
Mass fraction of elements not more than, %: Carbon (C) 0,16-0,22; Silicon (Si) 0,17-0,37; Manganese (Mn) 0,3-0,6; Chromium (Cr) 1,25-1,65; Nickel (Ni) 3,25-3,65; Copper (Cu) up to 0,3; Phosphorus (P) up to 0,025; Sulphur (S) up to 0,025.
Forging temperature: beginning 1200°С, end 800°С. Sections up to 100 mm cooled in air, 101-350 mm in pit. Machinability by cutting: in hot-rolled condition at HB 259, σv = 880 MPa Kztv.spl. = 0.72, Ktsb.st = 0.63. Weldability: hard weldable. Welding methods: RDS, submerged arc welding, EAF. Heating and subsequent heat treatment are necessary. Flock sensitivity: sensitive Tendency to temper embrittlement: slightly inclined.
1) Hardening 860 °C, oil. Hardening 780 ° C, oil. Tempering 180°C, air or oil 2) For 50 mm section - Cementation 900-920 °C, air. Hardening 780-810 °C, oil. Tempering 180-200 °C, air. Hardness: Core 360 NV, surface (57-64 HRc). 3) For section 150 mm. Cementation 920-950 °C. Normalisation 900-920 °C, air or hardening 880-920 °C, oil. Tempering 630-660 °C, air. Hardening 780-820 °C, oil. Tempering 150-200 °C, air. Hardness: Core 321-420 NV, surface (57-64 HRc).
Machine-building equipment, engines, compressors, pumps, tools and accessories: knives, cutting tools, dies, punches, pushers, cold and hot deformation dies, as well as machine parts experiencing increased wear under moderate dynamic loads.
Depending on the steel grade and standard size, delivery is carried out: • 7-14 calendar days in advance for steels available from partner warehouses in the Russian Federation. • in 60 – 120 calendar days for custom-made items of rolled metal and forgings.
Since 1995, we have been specializing in the production of high-quality rolled metal and forgings. We are proud of our reputation as a reliable supplier of high-quality products.
Precise cutting into blanks
The harvesting area is equipped with modern band sawing machines. This allows us to offer materials in the required sizes and shapes that meet your needs.
Efficiency and effectiveness
Time is the most valuable resource, so we strive to ensure fast and efficient work. Production processes are optimized taking into account modern standards for prompt order fulfillment and minimizing delivery time
Large selection of tool steels
There are more than 700 tons of tool steels available. Our specialists are always ready to help you choose the right steel grade and provide advice on its application.
Trust and reliability
We value the trust of our customers and strive for long-term partnerships. We guarantee the quality of the products and are responsible for each delivery.
Our goal is to timely meet customer needs for rolled steel, delivering reliable materials without delays or unexpected interruptions in production.