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Heat Exchanger Tube ASTM A789 UNS S32205 Duplex Stainless Steel Seamless U Bend Tube
Heat exchanger U bend tubes which are made of Duplex Stainless Steel S32205 are ferritic and slightly austenitic in composition. It's perfect for use in highly corrosive settings. The chromium content in duplex stainless steel alloys is extremely high. Duplex stainless steel heat exchanger U tubes have a yield strength nearly two times that of typical austenitic stainless steels like grade 316 or 317, and improved resistance to oxidation corrosion.
UNS S32205 Duplex Stainless Steel Heat Exchange U Bend Tubes are ferritic and slightly austenitic grades alloy tubes and heat exchanger. It's ideal for utilizing in highly corrosive environments. This U tube is suitable for high-temperature application due to its higher thermal stability and high coefficient of thermal expansion. It's utilized in the cryogenic temperatures up to 300 degree C. It can be exposed to carbide precipitation environments in the severe reducing zone, having higher weldability attribute.
Specifications:
| OD | 6.35 mm to 152.4 mm |
| WT | 0.5 mm to 12.7 mm |
| Specifications | ASTM A213, A268, A269, A789, Equivalent to ASME, EN, JIS Etc. |
| Applications | Oil & Gas, Petrochemical & Refinery, Fertilizer, Power Plant, Etc. |
Equivalent Grades:
| STANDARD | WERKSTOFF NR. | UNS |
| Duplex 2205 | 1.4462 | S32205 |
Advantages:
Superior corrosion resistance
Deliver high heat transfer efficiency
Accommodate high steam pressure
Chemical Composition:
| Ni | 4.5 – 6.5 |
| Fe | 63.72 min |
| Cr | 22 – 23 |
| C | 0.03 max |
| Si | 1 max |
| Mn | 2 max |
| P | 0.03 max |
| S | 0.02 max |
| N | 0.14 – 0.2 |
Mechanical Properties:
| Density | Melting Point | Yield Strength (0.2% Offset) | Tensile Strength | Elongation |
| 7.8 g/cm3 | 1350°C (2460 °F) | Psi - 80000, MPa - 550 | Psi - 116000, MPa - 800 | 15 % |
Applications:
Petroleum Industry
Chemical Industry
Boiler and Heat Exchanger
Exhaust Purification Device
Construction and Ornament
Oil and Gas Processing Plant
