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ISC S22253 Ferrite - Austenite duplex stainless steel

ISC S22253 Ferrite - Austenite duplex stainless steel

ISC S22253Ferrite - Austenite duplex stainless steel

ISC S22253 equal material :ISC S22253, S31803 ,1.4462, 022Cr22Ni5Mo3N

ISC S22253duplex stainless steel is a kind of ferrite to austenite stainless steel, belong to the second generation of duplex stainless steel in the alloy.In the early 1980 s, our country began to develop and ISC S22253 duplex stainless steel is 00 cr22ni5mo3n duplex stainless steel,of ferrite and austenite F A each account for about 50%. It combines ferrite and austenite is the most useful performance: ferrite phase steel has strength and resistance to chloride stress corrosion performance, austenitic phase steel has good toughness and corrosion resistance. ISC S22253, therefore,has the very good resistance to chloride stress corrosion cracking, are better than ferritic stainless steel chloride pitting and crevice corrosion resistance, good common corrosion resistance, good resistance to sulfide stress corrosion capability. S31803 duplex stainless steel, as a kind of good corrosion resistance, high strength, yield strength of austenitic steel for other 2-3 times), including the steel chromium and molybdenum content is very high, so has excellent corrosion resistance and uniform corrosion. Duplex microstructure ensures that the steel has the ability of high resistance to stress corrosion cracking, and high mechanical strength at the same time.

ISC S22253duplex stainless steel chemical Composition:

C
Si
Mn
P
S
Ni
Cr
Mo
N
0.030
1.00
2.00
0.030
0.020
4.50-6.50
21.00-23.00
2.50-3.50
0.08-0.20

ISC S22253duplex stainless steel Mechanical properties:

Yield strength
Tensile strength
elongationA%
Hard degree
HBW
≥450 MPa
≥620
≥25
≤293

ISC S22253duplex stainless steel typical system of heat treatment:
Solid solution treatment of 1040 - 1100 degree, fast cooling water or the other way around

ISC S22253duplex stainless steel Product form:
Alloy round steel, seamless steel pipe, alloy pipe, alloy steel pipe), steel/alloy steel plate

ISC S22253duplex stainless steel application:
Food industry, papermaking industry, power plant flue gas desulfurization equipment, offshore oil platform, desalting equipment special chemical environment equipment such as: oil pipeline and equipment, other chemical equipment. Used in oil refining, chemical fertilizer, paper making, petroleum, chemical industry and so on seawater high-temperature nitric acid and other heat exchanger and cold shower, and devices.

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