F51(S31803)
We provide a full range of supporting products for the field of oil and gas. We are an influential supporting engineering company and have been serving global customers for 12 years. Because we have a skilled professional team. In addition to ISO 9001:2015 certification, the company can also provide various classification society-certified products.
We not only sell products, first-class management of product quality and timely delivery.
Because we have a dedicated front and back "sales and service unit", which can meet all kinds of customized needs; choose the right products and technologies for your business, and provide a sustainable development strategy.
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F51(S31803)
Features:
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)
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 |
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