Home > Duplex Steel > Duplex Steel S31803 Pipe
Russ Nickel Alloys, a premier manufacturer and distributor based in Manila, Philippines, proudly offers Duplex Steel Pipes S31803. Known for their exceptional strength and superior corrosion resistance, these pipes are engineered to perform in the most demanding environments. Ideal for various industrial applications, including chemical processing and marine environments, our Duplex Steel Pipes S31803 are designed to deliver reliability and durability. At Russ Nickel Alloys, we are committed to providing high-quality products that meet the rigorous standards of our clients, ensuring both performance and longevity in every application.
Pipe Range : 1 / 2″ NB – 8″ NB
Outer Diameter : 6.0-630mm
Wall Thickness : 0.3mm – 50 mm
Schedules : SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
Length : Single Random, Double Random & Required Length
Specifications : ASTM A790 / ASME SA790
| Duplex | S31803 |
|---|---|
| Ni | 4.50 – 6.50 |
| Fe | 63.72 min |
| Cr | 22.0 – 23.0 |
| C | 0.030 max |
| Si | 1.00 max |
| Mn | 2.00 max |
| P | 0.030 max |
| S | 0.020 max |
| N | 0.14 – 0.20 |
| Grade | S31803 |
| Density (g/cm 3) | 7.805 |
| Density (lb/in 3) | 0.285 |
| Melting Point (°C) | 1420 – 1465 |
| Melting Point (°F) | 2588 – 2669; |
The AWS Class ERNiCrCoMo-1 MIG and TIG Filler Welding Wire and Rod are primarily made of nickel (Ni), with notable amounts of chromium (Cr) at 20–23%, cobalt (Co) at 10–15%, and molybdenum (Mo) at 8–10%. This thoughtfully designed composition provides remarkable mechanical strength, with typical tensile strength hitting 760 MPa (110 ksi) and an elongation of about 30%. The alloy is specifically engineered for outstanding high-temperature stability, corrosion resistance, and weldability, making it perfect for challenging environments. Its performance characteristics ensure structural integrity even under extreme thermal conditions, offering a long service life in critical industrial applications.
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These AWS Class ERNiCrCoMo-1 MIG and TIG Filler Welding Wire and Rod are widely utilized for welding nickel-based alloys like Alloy 617 and other high-temperature materials. They are crucial in industries that demand excellent resistance to oxidation, carburization, and corrosion, particularly at temperatures above 1000°C. Common uses include gas turbines, heat exchangers, furnace components, reformer tubes, and pressure vessels in power plants, petrochemical facilities, and aerospace settings. Their exceptional metallurgical properties and reliability under intense stress make them a preferred choice for both fabrication and repair.
