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) 0,36-0,44; Silicon (Si) 0,17-0,37; Manganese (Mn) 0,5-0,8; Chromium (Cr) 0,8-1,1; Nickel (Ni) up to 0,3; Copper (Cu) up to 0,3; Phosphorus (P) up to 0,035; Sulphur (S) up to 0,035.
Forging temperature: beginning 1250°С, end 800°С. Sections up to 350 mm are cooled in air Machinability by cutting: in hot-rolled condition at NV 163-168, σv = 610 MPa Kν tv.spl. = 0.20, Kν b.st. = 0.95. Weldability: hard weldable. Welding methods: RDS, EAF. Heating and subsequent heat treatment are necessary. CTS - subsequent heat treatment is necessary. Flock sensitivity: sensitive Tendency to temper embrittlement: susceptible.
To improve mechanical properties, steel is subjected to hardening heat treatment depending on the required hardness and strength category (from KP245 to KP490).
For 40X steel, the sequence of heat treatment is as follows. First hardening in an oil environment is performed, and then tempering in oil or in air. For each part a different heat treatment mode is selected, it depends on the loads in which the part is used, as different modes give different hardness of the product. Quenching is carried out at a temperature of 860 ºC, the medium is oil, the hour interval is 4 hours. Then a low tempering at 200 ºC in air is carried out or it is possible to apply a temperature parameter of 500 ºC and carry out the treatment in an oil medium. After this heat treatment regime the following strength of steel HB - 217 and HRC - 45 is achieved. At a tempering temperature of 200 ºC HB = 552.
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.