Standards of steel pipes 10KH14G14N4T
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|10Х14Г14Н4Т||EI711||Buy from stock, view availability|
Brand 10KH14G14N4T relates to a chromium-manganese-Nickel austenitic steels. Is smelted in electric arc furnaces. Used in the manufacture of welded equipment weak aggressiveness for the chemical industry, cryogenic engineering, in the manufacture of parts of heat exchangers and furnace valve with operating temperature not more than 700 °C (sheet metal parts of muffles, furnace rollers, screens). This alloy is a cost-doped analogue of the brand X18H10, produced in accordance with GOST: 5582−75; 25 054−81; 5632−72; 5949−75; 4405−75, 7350−77, as well as the technical condition 14−1-170−72.
The percentage 10KH14G14N4T (GOST 5632−72)
|Basis||13 — 15||≤0,1||13 -15||≤0,02||≤0,035||2,8 — 4,5||5·(P-0,02)-0,6||≤0,8|
The thermal conductivity at 100 °C is 17.5 W/(m · K); density is 7.8 g/cm3; the elastic modulus is 19.6·10-4 N/mm2; equal to the specific heat 481 j/(kg · K); coefficient of linear thermal expansion α · 16,1 10-6/°C magnetic saturation of 1.04 · 104 (T · m)2 /A.
This brand, thanks to its balanced chemical composition has high weldability, which allows to produce the most sophisticated design without special equipment and without additional heat treatment after welding. At increased requirements to bond strength, the product is subjected to such heat treatment as quenching at 1000 — 1100ºС with cooling in water or air. This treatment promotes the normalization of internal stresses in the alloy and increasing the strength characteristics of parts. Welding is performed by TIG manual and automatic. To protect the seams from intergranular corrosion of parts subjected to final heat treatment.
Manufacturing of cryogenic equipment, welded equipment for environments of weak aggression, in the manufacture of parts of heat exchangers and furnace valve with operating temperature not more than 700 °C (sheet metal parts of muffles, furnace rollers, screens). From this alloy cast ingots rolled plates, strips, rods, sheets, wire. Tube made of this alloy in demand in the chemical industry, in industries engaged in the distillation of weakly-corrosive media. Sheets and tape are very popular in engineering and instrument making.
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