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2205 Duplex Stainless Steel Plate

Duplex stainless steels have a microstructure of nearly equal portions of austenite and ferrite. This microstructure ensures that they are much more resistant to stress corrosion cracking (SCC) than conventional austenitic stainless steels.

2205 will be used in applications requiring better corrosion resistance, such as environments containing chlorides and polluted marine environments, desalination plants, etc.

The higher chromium, molybdenum and nitrogen contents give 2205 significantly improved pitting and crevice corrosion resistance in the presence of chlorides.

2205 also has better general corrosion resistance than the 316L types in most environments. 2205 is a highly suitable material for service in environments containing chlorides and hydrogen sulphide such as marine environments and the oil and gas extraction and processing industries.

Product Information

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Use: Typical applications include marine environments, oil and gas extraction industries, pulp, paper, mining industry (mineral beneficiation plants) heat exchangers
International Specs: S32205 / S31083
EN 1.4462
Material: Duplex stainless steel
Dimensions / Sizes Available:
Gauge Range: 3.0 to 40.0mm
Material Size: 1250 x 2500, 1500 x 3000/6000, 2000 x 6000
Material Finishes: No1
Special Features: S32205 / 1.4462 widespread use in production tubing and flow lines for the extraction of oil and gas from sour wells, in refineries and in process solutions contaminated with chlorides. S32205 / 1.4462 is also particularly suitable for heat exchangers where chloride bearing water or brackish water is used as a cooling medium
Information: Duplex stainless steels can offer a cost effective alternative to conventional austenitic stainless steels, without the gauge limitations of common ferritic stainless steels and the stress corrosion cracking susceptibility of austenitic stainless steels
Note: Non-standard sizes available on request

 

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