Jiangsu Baide Special Alloy Co., Ltd 
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Alloy Fasteners

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F51(S31803)

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UNS S31803

2205 is a duplex stainless steel with nearly equal proportions of austenite and ferrite when properly heat treated. This microstructure makes it much more resistant to stress corrosion cracking than stainless steel 304 and 316L. 2205’s higher chromium, molybdenum and nitrogen contents give it significantly improved pitting and crevice corrosion resistance in the presence of chlorides. Its yield strength is about twice that of austenitic stainless steels. It is highly suitable forApplications in environments containing chlorides and hydrogen sulfide such as marine applications and oil and gas production. 


Applications: 
Oil and gas industry piping, tubing and heat exchangers; pulp and paper industry bleaching equipment, liquor tanks and digesters; cargo tanks for ships and trucks; chemical processing industry pressure vessels, tanks, piping and heat exchangers; and food processing equipment.

Forms of Duplex 2205 Available at BAIDE ALLOY
• Sheet
• Plate
• Bar
• Pipe & Tube (welded & seamless)
• Fittings (i.e. flanges, slip-ons, blinds, weld-necks, lapjoints, long welding necks, socket welds, elbows, tees, stub-ends, returns, caps, crosses, reducers, and pipe nipples)
• Welding Wire and Welding Electrode

Chemical composition:

% Fe Cr Ni Mo C Mn Si P S N
min balance 21.0 4.5 2.5




0.08
max 23.0 6.5 3.5 0.030 2.00 1.00 0.030 0.020 0.20


Physical properties:

Density 7.8 g/cm3
Melting range 1385-1443℃


ASTM Specifications

Pipe Smls Pipe Welded Tube Smls Tube Welded Sheet/Plate Bar Flanges, Fittings & Valves
A790 A790 A789 A789 A240 A276 A182


Product Inquiry

Alloy Fasteners

Contact Us

Tel: 0086-523-89558188, 89550188  
Fax: 0086-523-89555688
Email: sales@jsbdalloy.com
Factory Add:
Alloy Industrial Park of Shiyan Town, Dongtai, Jiangsu, China
Office Add:
Room 110, Building 1, No. 98 Fenghuang West Road, Taizhou City, Jiangsu China.
 

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