Home > Duplex Steel > Duplex Steel S31803 Tube Fittings
Santner Nickel Alloys, located in Hamilton, New Zealand, stands out as a top manufacturer and supplier of high-quality Duplex Steel S31803 Tube Fittings. These fittings are designed to excel in tough industrial settings. By employing cutting-edge manufacturing methods and strict quality control measures, the company ensures that its tube fittings deliver outstanding corrosion resistance, mechanical strength, and long-lasting durability. Santner Nickel Alloys offers a variety of sizes and configurations for its Duplex Steel S31803 Tube Fittings, catering to a wide array of industrial requirements. The company is well-regarded in sectors like oil and gas, petrochemicals, marine engineering, power generation, and chemical processing for providing dependable, high-performance fluid-handling solutions.
Duplex Steel S31803 Tube Fittings boast a well-balanced ferritic–austenitic microstructure, typically comprising 21–23% chromium, 4.5–6.5% nickel, 2.5–3.5% molybdenum, and nitrogen, all of which enhance their strength and resistance to corrosion. This unique composition offers excellent protection against pitting, crevice corrosion, and stress corrosion cracking caused by chlorides. On the mechanical side, S31803 Tube Fittings demonstrate impressive tensile and yield strength, remarkable toughness, and robust fatigue resistance. Their capability to withstand high pressure, temperature fluctuations, and corrosive environments makes them perfect for critical tube connections in industrial piping and fluid-handling systems.
| 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 |
| 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 Santner Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Duplex Steel S31803Tube Fittings in Hamilton, New Zealand, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the New Zealand, 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 Tube Fittings find extensive use in industries where strength, durability, and corrosion resistance are crucial. In the oil and gas industry, they are utilized in pipelines, heat exchangers, and subsea systems that face harsh conditions. Chemical and petrochemical facilities depend on them for reactors, processing lines, and equipment that handle aggressive chemicals. The marine and shipbuilding sectors also rely on S31803 Tube Fittings for seawater systems, ensuring reliable performance in challenging environments.