Sachiya Steel International offers a wide range of Duplex Steel S31803 Threaded Forged Fittings, which are offered by us in variegated sizes and dimensions at industry leading rates. Duplex Steel S31803 Forged Threaded Elbow describes a family of stainless steels that are neither fully austenitic, like 304 stainless, nor purely ferritic, like 430 stainless. Duplex Steel S32205 Forged Threaded Tee is the most widely used duplex stainless steel grade and is characterized by high yield strength, double that of the standard austenitic stainless steel grades.
Duplex Steel S31803 Forged Threaded Cross is often used in Marine Industry and Shipbuilding: such as in Propellers and Shafts, Rudders, Shaft Seals, Pumps, Bolts and Fasteners, Valves, Instrumentation, Oil and Chemical Tankers. Meanwhile, these Duplex Steel S32205 Forged Threaded Cap are also being offered in different sizes and shapes to our customers. Even when the equipment has sufficient power, allowance must be made for higher spring – back caused by the high strength of Duplex Steel S31803 Forged Threaded Fittings.
Duplex Steel S31803 Threaded Forged Fittings | Duplex Steel S31803 Threaded Forged Fittings | Duplex Steel S31803 Threaded Forged Fittings | Duplex Steel S31803 Threaded Forged Fittings | Duplex Steel S31803 Threaded Forged Fittings | Duplex Steel S31803 Threaded Forged Fittings | Duplex Steel S31803 Threaded Forged Fittings
In the solution annealed condition from about 1925 Degree F, Duplex Steel S32205 Forged Threaded Coupling has a microstructure with about 40 % – 50 % ferrite. Grain size of Duplex Steel S31803 Forged Threaded Union (expressed as a lamellar spacing) is fine, depending on product form. Duplex Steel S32205 Forged Threaded Bushing is difficult to form due to its high strength and work hardening rate.
Duplex Steel S31803 / S32205 Forged Threaded Fittings Specifications |
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| Specifications | : | ASTM A182 & ASME SA182 |
| Size | : | 1/8” NB to 4” NB (Socket weld & Screwed-Threaded) |
| Standards |
: | ASME 16.11, MSS SP-79, 83, 95, 97, BS 3799 |
| Class | : | 2000 LBS, 3000 LBS, 6000 LBS, 9000 LBS |
| Type | : | Threaded Fittings |
Duplex Steel S31803 / S32205 Forged Fittings Chemical Composition
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
| 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 |
| S32205 | 0.030 max | 2.00 max | 1.00 max | 0.030 max | 0.020 max | 21.0 – 23.0 | 2.50 – 3.50 | 4.50 – 6.50 | 0.8 – 0.20 | 63.54 min |
Duplex Steel S31803 / S32205 Threaded Fitting Mechanical Properties
| Grades | Density (g/cm 3) | Density (lb/in 3) | Melting Point (°C) | Melting Point (°F) |
| S31803 / S32205 | 7.805 | 0.285 | 1420 – 1465 | 2588 – 2669 |
Equivalent Grades for S31803 / S32205 Duplex Steel Forged Fittings
| STANDARD | WERKSTOFF NR. | UNS |
| Duplex 2205 | 1.4462 | S31803 / S32205 |
Duplex Steel S31803 / S32205 Forged Fittings Application Industries
- Off-Shore Oil Drilling Companies
- Power Generation
- Petrochemicals
- Gas Processing
- Specialty Chemicals
- Pharmaceuticals
- Pharmaceutical Equipment
- Chemical Equipment
- Sea Water Equipment
- Heat Exchangers
- Condensers
- Pulp and Paper Industry
