Types of Duplex Steel Pipe Fittings
Creative Piping is the premier exporter and distributor of 2205 Duplex Steel equal, unequal or reducing cross buttweld fittings, serving markets across the USA, UAE, Saudi Arabia, Oman, and Qatar.
UNS S31803 Buttweld Elbow Equivalent Grades
| Grade | UNS No |
Old British | Euronorm | Swedish SS | Japanese JIS | ||
|---|---|---|---|---|---|---|---|
| BS | En | No | Name | ||||
| 2205 | S31803 / S32205 | 318S13 | - | 1.4462 | X2CrNiMoN22-5-3 | 2377 | SUS 329J3L |
Chemical Composition of Duplex 2205 Long Stub End
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
|---|---|---|---|---|---|---|---|---|---|---|
| 2205 (S31803) | Min Max | - 0.030 | - 2.00 | - 1.00 | - 0.030 | - 0.020 | 21.0 23.0 | 2.5 3.5 | 4.5 6.5 | 0.08 0.20 |
| 2205 (S32205) | Min Max | - 0.030 | - 2.00 | - 1.00 | - 0.030 | - 0.020 | 22.0 23.0 | 3.0 3.5 | 4.5 6.5 | 0.14 0.20 |
Mechanical Properties of UNS S32205 Pipe Fittings
| Grade | Tensile Str (MPa) Min |
Yield Strength 0.2% Proof (MPa) Min |
Elongation (% In 50mm) Min |
Hardness | |
|---|---|---|---|---|---|
| Rockwell C (HR C) | Brinell (HB) | ||||
| 2205 | 621 | 448 | 25 | 31 Max | 293 Max |
Physical Properties of 2205 Pipe Fittings
| Grade | Density (Kg/M3) |
Elastic Modulus (GPa) |
Mean Co-Eff Of Thermal Expansion (Μm/M/°C) |
Thermal Conductivity (W/M.K) |
Specific Heat 0-100°C ( J/Kg.K) |
Electrical Resistivity (NΩ.M) |
|||
|---|---|---|---|---|---|---|---|---|---|
| 0-100°C | 0-315°C | 0-538°C | At 100°C | At 500°C | |||||
| 2205 | 7800 | 190 | 13.7 | 14.2 | - | 19 | - | 418 | 850 |
