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Supplier KMZ offers to buy stainless steel ribbon, foil, sheet of stamps 20KH17N2 (ЭИ407) at economical price. The provider ensures timely delivery of products at any address specified by the consumer. The price is the best in this segment of the rental.
Corrosion-resistant alloy of high strength 20KH17N2 (ЭИ407), under the previous designation — 2Х17Н2 is a stainless steel martensitic class for General use, which is used for the manufacture of parts operating under conditions of high mechanical and frictional loads. Steel responds well to heat treatment, has good corrosion resistance, high strength, including tension loads. Its corrosion resistance of steel is inferior to austenitic stainless steels.
Steel satisfactorily amenable to plastic deformation due to high yield strength suitable for the operation of the stamping. At low temperatures steel loses its strength properties. Machining in the annealed state is easy.
Percentage composition, GOST 5632−80
|basis||0.17 0.25…||≤0.8||≤0.8||1.5… 2.5||≤0.025||≤0.035||16… 18|
Melting of martensitic steels is usually carried out using methods that allow to harden the product.
- Density, kg/m3 7800;
- Coefficient of thermal expansion in the temperature range 20…300°C, µm/deg — 12,1;
- Coefficient of thermal conductivity for temperatures 20…100°C, W/mgrad — 20,2;
- Specific heat, j/kgrad — 460;
- The modulus of elasticity, GPA — 200.
Mechanical properties after annealing
- The limit of temporary resistance, MPa — 860;
- Yield strength, MPa — 655;
- Relative tensile elongation, % — 20;
- Brinell hardness number, HB — 285.
Weldability of steel 20KH17N2 (ЭИ407) is limited because of the danger of brittle cracking. Before welding it is recommended to heat the materials up to 200…300 °C, and after welding, to carry out the heat treatment at 650 °C.
Supplier KMZ offers to buy stainless steel ribbon, foil, sheet of stamps 20KH17N2 (ЭИ407) at economical price. The provider ensures timely delivery of products at any address specified by the consumer.
Buy stainless steel strip, foil, sheet of stamps 20KH17N2 (ЭИ407) provider KMZ can at an affordable price. The price is formed based on the European standards of production. Buy stainless steel strip, foil, sheet any brand at a reasonable price, you can wholesale or retail. Regular customers can take advantage of the discount system of discounts from the company KMZ. The price is the best in this segment of the rental.