Chemical and petrochemical industry. The use of stainless steel
Steel, because of its exceptional properties, is almost indispensable in any production. Benefits include:
— high temperature resistance
— long lasting durability
— high mechanical and corrosion resistance.
Steel used in engineering, chemical, food and other industries. Chemical and petrochemical industry. particularly in need of such material. Given the fact that in industrial chemistry have to work with aggressive substances, tanks, vessels and other items of production equipment required to make heat-resistant stainless steel.
The percentage 36NICRTIAL
|≤0.015||≤0.015||≤0,03||0,9−1,2||≤0,2||≤0.3 mm||For 2.7−3.2||11,5−13||35−37||basis|
This precipitation-hardenable non-magnetic corrosion-resistant alloy, has a temporary resistance load 120 to 160 kgf/mm2. At t° up to 250 °C can operate in a corrosive environment, is resistant to corrosion in the gas medium and air. It is generally used for lightly loaded parts. Doping with silicon, chromium, aluminum to withstand corrosive environments, as when heated, these substances are able to form a protective film on the surface of very hard oxides.
The percentage 40HNU
|≤ 0.02||19 -21||15 -17||≤ 0.02||10.74 -18.73||1.8 -2.2||≤ 0.5||39 -41|
Compared to the same content, this alloy has a high uptime in specific conditions, demonstrating excellent resistance to intergranular corrosion and to stress corrosion cracking,
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