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2205 corrosion resistant alloy You are here: Home — 2205 Corrosion Resistant Alloy

2205 duplex steel (American standard UNS S32205 / German standard W.Nr1.4462)
Chemical composition of 2205:
alloy
%
nickel
chromium
molybdenum
nitrogen
phosphorus
manganese
sulfur
carbon
silicon
2205
Smallest
4.50
22.0
3.0
0.14
maximum
6.50
23.0
3.50
0.20
0.03
2.0
0.02
0.03
1.0
22050 physical properties:
density
7.88 g / cm3
Melting point
1398-1454 ℃
2205 Annealed state, mechanical properties of the alloy at room temperature:
alloy
Tensile strength σb (Mpa)
Yield strength σ0.2 (Mpa)
Elongation
A5%
hardness
HB
2205
≥625
≥450
≥25
≤290
This alloy has the following characteristics:
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 resistance to stress corrosion. The content of chromium, molybdenum and nitrogen in the duplex steel 2205 makes it resistant to pitting and crevice corrosion in oxidizing and acidic solutions. The dual-phase microstructure of stainless steel helps to improve its resistance to stress corrosion cracking. Chloride stress corrosion will occur in austenitic stainless steel in the presence of certain temperature, stress, oxygen and chloride
2205 Applications:
1. For the manufacture of pressure vessels, high-pressure storage tanks, high-pressure pipelines, heat exchangers (chemical processing industry)
2.Used to manufacture petroleum natural gas pipelines and heat exchanger pipes
3. Sewage treatment system
4. Pulp and paper industry classifiers, bleaching equipment, storage and processing systems
5.Rotary shafts, press rolls, blades, impellers, etc. in a high-strength, corrosion-resistant environment
6. Cargo boxes for ships and trucks
7. Food processing equipment
Varieties of products produced by our company:
Cold and hot plate, strip, pipe, wire, forged rod, hot rolled rod, machined product
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