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Corrosion resistant alloy
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2205 corrosion resistant alloy

质量稳定:实行全过程质量监控,细致入微,全方位检测

价格合理:高效内部成本控制,减少开支,让利客户

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2205 dual phase steel (US standard UNS S32205 / German standard w.nr1.4462)

Chemical composition of 2205:

alloy%nickelchromiummolybdenumnitrogenphosphorusmanganesesulfurcarbonsilicon
2205minimum4.5022.03.00.14




maximum6.5023.03.500.200.032.00.020.031.0












Physical properties of 22050:

density7.88 g/cm3
melting point1398-1454℃

2205 annealed state, mechanical properties of the alloy at room temperature:

alloytensile strengthσb (Mpa)yield strengthσ0.2 (Mpa)ElongationA5 %

     hardness     HB

2205≥625≥450≥25≤290

This alloy has the following properties:

Duplex stainless steel 2205 alloy is a duplex stainless steel composed of 21% chromium, 2.5% molybdenum and 4.5% nickel nitrogen alloy. It has high strength, good impact toughness and good overall and local stress corrosion resistance. The contents of chromium, molybdenum and nitrogen in the duplex steel 2205 make it highly resistant to point corrosion and gap corrosion in oxidizing and acidic solutions. The two-phase microstructure of stainless steel is helpful to improve the stress corrosion cracking resistance of stainless steel. In the presence of certain temperature, stress, oxygen and chloride, chloride stress corrosion occurs in austenitic stainless steel

2205 applications include:

1. Used for manufacturing pressure vessels, high-pressure storage tanks, high-pressure pipes, heat exchangers (chemical processing industry)

2. Used for manufacturing oil and gas pipeline and heat exchanger pipe fittings

3. Sewage treatment system

4. Classification, bleaching equipment, storage and treatment system of pulp and paper industry

5. Rotary shaft, press roll, blade, impeller, etc. in high-strength corrosion-resistant environment

6. Cargo boxes of ships and trucks

7. Food processing equipment

Products of our company:

Cold and hot plate, strip, tube, wire, forging bar, hot rolling bar, machined products


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