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Duplex 2205 Stainless Steel Plate

Duplex 2205 Stainless Steel Plate

2205 is a duplex stainless steel with a microstructure of nearly equal proportions of austenite and ferrite, when properly heat treated. This microstructure ensures that 2205 is much more resistant to stress corrosion cracking than Stainless Steel 304 or 316L. Its higher chromium, molybdenum, and nitrogen content gives the product significantly improved pitting and crevice-corrosion resistance in the presence of chlorides. Stainless Steel 2205 also has better general corrosion resistance than 316L in most environments. In addition, 2205 has a 0.2% proof stress of approximately double that of conventional austenitic stainless steels. Stainless Steel 2205 is highly suitable for service in environments containing chlorides and hydrogen sulfide, such as marine applications and the oil and gas extraction and processing industries.

  • Microstructure ensures more resistance to stress-corrosion cracking
  • Significantly improved pitting and crevice-corrosion resistance in the presence of chlorides
  • 0.2% proof stress of approximately double that of conventional austenitic stainless steels
  • Highly suitable material for service in environments containing chlorides and hydrogen sulfide

Common Applications of 2205 Duplex Stainless Steel

  • Chemical industry (processing, transport and storage, pressure vessels, tanks, and piping)
  • Pulp and paper industry (digesters and liquor tanks)
  • Mining industry
  • Heat exchangers (especially those where chloride-bearing water or brackish water is used as the cooling medium)
  • Production tubing and flow lines for the extraction of oil and gas from sour wells

 

Size:

Thickness 0.5-50mm

Width: 500-2000mm

Length: 1000-6000mm

 

Standards:

ASTM/ASME: A240 UNS S32205/S31803
EURONORM: 1.4462 X2CrNiMoN 22.5.3
AFNOR: Z3 CrNi 22.05 AZ
DIN: W.Nr 1.4462

 

 

Chemical Properties:

C Mn Si P S Cr Mo Ni N
2205
(S31803)
0.03
max
2.0
max
1.0
max
0.03
max
0.02
max
min: 21.0
max: 23.0
min: 2.5
max: 3.5
min: 4.5
max: 6.5
min: 0.08
max: 0.20
2205
(S32205)
0.03
max
2.0
max
1.0
max
0.03
max
0.02
max
min: 22.0
max: 23.0
min: 3.0
max: 3.5
min: 4.5
max: 6.5
min: 0.14
max: 0.20

 

 

 

Mechanical Properties:

Grade Tensile Strength
ksi (min)
Yield Strength
0.2% ksi (min)
Elongation % Hardness (HB) MAX
2205 90 65 25 217

Date:2015/7/16
Last:310S Stainless Steel Pipe
Next:Duplex 2304 Stainless Steel Coil

 

 

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