Sichuan Liaofu Special Steel Company is one of the most experienced manufacturers and suppliers of duplex grade 2205 stainless steel round bar in China. With over 20 years' experience, our factory offer high quality products made in China with competitive price. Welcome to contact us for wholesale service.
Duplex Grade 2205 (UNS S32205 / S31803) Stainless Steel Round Bar
Specifications : ASTM A276 / ASME SA 276, ASTM A479 / ASME SA 479
Standard : ASTM, ASME
Size : 6 mm to 120 mm.
Length : 1 to 6 Meters, Custom Cut Lengths
Dimensions : EN, DIN, JIS, ASTM, BS, ASME, AISI
DUPLEX STEEL ROUND BARS CHEMICAL COMPOSITION
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
| Duplex S31803 | 0.030 max | 2.00 max | 1.00 max | 0.030 max | 0.020 max | 22.0 – 23.0 | 3.0 – 3.5 | 4.50 – 6.50 | 0.14 – 0.20 | 63.72 min |
| Duplex 2205 | 0.030 max | 2.00 max | 1.00 max | 0.030 max | 0.020 max | 21.0 – 23.0 | 2.5 – 3.5 | 4.50 – 6.50 | 0.8 – 0.20 | 63.54 min |
2. Regular Sizes: φ10mm-φ120mm (Hot-rolled), φ3mm-φ80mm (Cold-drawn), φ50mm-φ600mm (Hot-forged)
3. Standards: GB/T 1220-2007, GB/T4226-2009, GB/T702-1998, GB/T905-1994, GB/T908-2008, ASTM A276, A314, A479, A484, A564, A582, JIS G4311, G4318, G4308, BS EN 10088-1-2005, BS EN 10088-3-2005, DIN1013-1-1976
4. Finish: Pickling, Blasting (Peening), Polishing (300#, 400#, 600#, 800#), Hairline, Milling, Peeling, Smooth-turning
Duplex Grade 2205 Stainless Steel Round Bar Application
Chemical processing, transport and storage – pressure vessels, tanks, piping, and heat exchangers
Oil and gas exploration and processing equipment – piping, tubing, and heat exchangers
Marine and other high chloride environments
Effluent scrubbing systems
Pulp and paper industry – digesters, bleaching equipment, and stock-handling systems
Cargo tanks for ships and trucks
Food processing equipment
Biofuels plants
In addition to Duplex Grade 2205 stainless steel round rods, there are many similar grades, such as:
- SAF 2205
- UNS S31803/S32205
- 1.4462
- X2CrNiMoN22-5-3
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Density: 7.805 g/cm³
Electrical Resistivity: 0.85 x10^-6 Ω .m
Elongation A50 mm: 25 Min %
Hardness Brinell: 270 Max HB
Modulus of Elasticity: 200 GPa
Tensile Strength: 650 - 880 MPa
Thermal Conductivity: 19.0 W/m.K
Thermal Expansion: 13.7 x10^-6 /K
Proof Stress: 450 Min MPa
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