Home > Duplex Steel > Duplex Steel S31803 Tube Fittings
Anwar Tubefittings stands out as a leading manufacturer and supplier located in Manama, Bahrain, with a focus on top-notch Duplex Steel S31803 Tube Fittings. Known for their precision engineering and dependable performance, this company offers fittings that boast exceptional strength, resistance to corrosion, and impressive durability. Their Duplex Steel S31803 Tube Fittings are crafted to endure harsh industrial environments, making them perfect for demanding applications. Catering to sectors like oil and gas, petrochemical, power generation, and marine engineering, Anwar Tubefittings guarantees that each product adheres to international standards, providing consistent quality and performance to clients in Bahrain and around the world.
The Duplex Steel S31803 Tube Fittings feature a well-balanced microstructure of austenite and ferrite, enhanced with chromium, nickel, molybdenum, and nitrogen. This unique blend offers remarkable resistance to pitting, stress corrosion cracking, and general corrosion. On the mechanical side, these fittings deliver high tensile and yield strength, exceptional toughness, and robust fatigue resistance, even in low-temperature settings. They also excel in durability under high pressure, impact resistance, and reliable performance in harsh chemical and saline environments, making them the go-to choice for industrial piping systems that require both strength and long-lasting reliability.
| ELEMENT | DUPLEX 31803 |
| NI | 4.50 – 6.50 |
| C | 0.030 max |
| MN | 2.00 max |
| P | 0.030 max |
| S | 0.020 max |
| SI | 1.00 max |
| CR | 22.0 – 23.0 |
| MO | 3.0 – 3.5 |
| N | 0.14 – 0.20 |
| FE | 63.72 min |
| Grades | Density (g/cm 3) | Density (lb/in 3) | Melting Point (°C) | Melting Point (°F) |
| S31803 | 7.805 | 0.285 | 1420 – 1465 | 2588 – 2669 |
At Anwar Tube Fittings, we are the largest supplier, manufacturer, and exporter of Duplex Steel S31803 Tube Fittings in Manama, Bahrain. Our advanced manufacturing facilities, strategically positioned in the Bahrain, enable us to deliver high-quality solutions to meet your specific requirements. With a robust inventory of over 16,000 tons of top-grade materials, we are well-equipped to fulfil your needs promptly. Our commitment to excellence and efficiency ensures we always have the available stock to support your demands.
| STANDARD | UNS | WERKSTOFF NR. |
| Duplex S31803 | S31803 | 1.4462 |
| Straight Union | Bulkhead Union | Reducing Union | Union Elbow | Union Cross | Union Tee |
| Male Connector | Female Connector | Male Bulkhead Connector | Female Bulkhead Connector | Male to Male Elbow | Male Elbow |
| Female Elbow | Male to Female Elbow | Male Run Tee | Male Branch Tee | Female Branch Tee | Female Run Tee |
| Male Adaptor | Female Adaptor | Tube End Reducer | OD Plug | Bulkhead Lock Nut | OD Cap |
Contact us to get a quick quote for your requirement.
Duplex Steel S31803 Tube Fittings are extensively utilized in industries where high strength, corrosion resistance, and durability are essential. They are particularly suited for oil and gas pipelines, offshore platforms, and chemical processing plants, where exposure to chlorides and corrosive fluids is a regular occurrence. These fittings also find applications in power generation systems, desalination plants, and marine engineering, ensuring safe and efficient fluid transfer. Their robust design allows them to perform reliably in high-pressure, high-temperature, and aggressive environments.
Please feel free to contact us if you need any further information or for enquiry.
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Standard : ASTM A276, A479 / ASME SA276, SA479
Thickness : 0.6 mm THK to 6.00 mm THK
Size Range : 1/16” 1/2” & 1.5MM to 38.1MM
Outer Diameter : 6.00 mm to 60.00 mm