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Russ Nickel Alloys is the leading manufacturer and distributor of Duplex Steel S31803 tubing in Manila, Philippines. Renowned for its superior corrosion resistance, strength, and durability, Duplex Steel S31803 is ideal for a wide range of demanding industrial applications. At Russ Nickel Alloys, we pride ourselves on delivering top-quality products that meet the highest industry standards. Our extensive inventory and commitment to customer satisfaction make us the go-to supplier for Duplex Steel S31803 tubing in the region. Partner with us for reliable and efficient solutions tailored to your specific needs.
| Specifications | : | ASTM A789 ASME SA789 |
| Dimensions | : | ASTM, ASME and API |
| Tube Size | : | 1/2″NB TO 12 “NB IN |
| Specialized in | : | Large Diameter Size |
| Schedule | : | SCH20, SCH30, SCH40, STD, SCH80 |
| Type | : | Seamless / ERW / Welded / Fabricated |
| Form | : | Round, Hydraulic Etc |
| Length | : | Single Random, Double Random & Cut Length. |
| End | : | Plain End, Beveled End, Treaded |
| S31803 | 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 |
| S31803 | 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 % |
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 commonly used for welding nickel-based alloys like Alloy 617 and other high-temperature materials. They play a crucial role in industries that demand excellent resistance to oxidation, carburization, and corrosion, particularly at temperatures above 1000°C. Typical applications 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 favored choice for both fabrication and repair.
