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Marsh Nickel Alloys is a reputable manufacturer and supplier located in Canberra, Australia, focusing on high-quality Duplex Steel S31803 Pipe Fittings. These fittings are celebrated for their exceptional strength, toughness, and resistance to corrosion, making them reliable choices for even the toughest industrial settings. At Marsh Nickel Alloys, there’s a strong commitment to precision manufacturing and rigorous quality control, ensuring that every product is consistent and durable. Duplex Steel S31803 Pipe Fittings find their place in various industries, including oil and gas, chemical processing, marine, and power generation, where they provide robust and long-lasting solutions for piping systems, pressure vessels, and critical infrastructure that face high pressures, corrosive substances, and harsh operating conditions.
These fittings are made up of about 22% chromium, 5–6% nickel, 3% molybdenum, and trace amounts of nitrogen, blending the best features of austenitic and ferritic stainless steels. This unique composition results in excellent mechanical properties, such as high tensile strength, remarkable toughness, and outstanding resistance to stress corrosion cracking, pitting, and crevice corrosion. They maintain their stability even in high temperatures and aggressive chemical environments, ensuring dependable performance and a long service life in demanding industrial applications.
| ASTM A815 WPS S31803 Pipe Fittings Standard Dimensions | ASME/ ANSI B16.9, ASME B16.28, MSS-SP-43, BS1560, BS4504, BS10 ASME 16.11, MSS SP-79, 83, 95, 97, BS 3799 |
|---|---|
| Specifications | ASTM A815 / ASME SA815 |
| Duplex Steel S31803 Elbow | Angle : 22.5 deg, 30deg, 45 deg, 90 deg, 180 deg, 1.0D, 1.5D, 2.0D, 2.5D, 3D, 4D, 5D, 6D, 7D-40D. Standard: ASME B16.9, ASME B16.28, ASME B16.25, MSS SP-75 DIN2605 JISB2311 JISB2312 JISB2313, BS, GB, ISO |
| A815 WPS S31803 Pipe Fittings Thickness | SCH10, SCH20, SCH30, STD SCH40, SCH60, XS, SCH 80, SCH 100, SCH 120, SCH 140, SCH 160, XXS available with NACE MR 01-75 |
| ASTM A815 WPS 31803 Pipe fittings Thread | NPT, BSPT, BSPP |
| Duplex Steel S31803 Forged Fittings Types | Seamless / Welded / ERW / Fabricated UNS S31803 DSS Pipe Fittings |
| Duplex Steel UNS S31803 Pipe Fittings size | Seamless ASTM A815 WPS S31803 Butt Weld Fittings: 1/2″ – 10″ Welded SA 815 S31803 Butt Weld Fittings: 1/2″ – 48″ |
| Duplex Steel S31803 Forged Fittings Working Pressure | Threaded end-2000lb/ 3000lb/ 6000lbs Duplex Stainless Steel S31803 Pipe Fittings Socket-weld end-3000/ 6000/ 9000lbs Duplex Stainless Steel UNS S31803 Pipe Fittings |
| Connection | Welding |
| Bending Radius | R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom Stainless Duplex S31803 Pipe Fittings |
| Duplex Steel WPS S31803 Pipe Fittings Manufacturing process | Push, Press, Forge, Cast, etc. |
| SA 815 S31803 Pipe Fittings Size Range | 1/2″ NB to 24″ NB in Sch 10s, 40s, 80s, 160s, XXS. (DN6~DN100) |
| Specialized manufacturer of | 90º Elbows, 45 degree Elbows, Tee, Cross, Couplings, Caps, Reducers, Inserts, Equal Tees & Reducing Tees, Nipples, Forged Pipe Fittings, Socket Weld & Threaded, 90° & 45° Elbows – Male-Male, Male-Female, Female-Female, Couplings, Union |
| Duplex Steel S31803 Pipe Fittings End |
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| Material Test Certificates (MTC) for Duplex UNS S31803 Pipe Fittings as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175 | |
| C | N | P | Si | Mn | Mo | Fe | Cr | S | Ni |
|---|---|---|---|---|---|---|---|---|---|
| 1.0 | 0.03 | 0.02 | 2.0 | 3.0 – 3.5 | 22.0 – 23.0 | 0.03 | 4.5 – 6.5 | 0.14 – 0.2 | Bal |
| 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 % |
At Marsh Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Duplex Steel S31803 Pipe Fittings in Canberra, Australia, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Australia, allowing us to maintain a vast inventory of over 16,000 tons of premium-quality materials readily available in stock. We are dedicated to delivering superior products and services, ensuring reliability and excellence for our global clientele.
Contact us to get a quick quote for your requirement.
Duplex Steel S31803 Pipe Fittings are widely utilized in chemical and petrochemical plants, oil and gas pipelines, seawater desalination systems, and marine engineering projects. They are perfect for connecting pipes, valves, pumps, and other essential components in high-pressure and corrosive settings. These fittings provide exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking, guaranteeing leak-free and durable joints. With their superior mechanical strength, corrosion resistance, and long-term reliability, they are indispensable for offshore platforms, refineries, chemical reactors, and heat exchangers operating under challenging industrial conditions.