Chuck Metals stands out as a top manufacturer and supplier in Singapore, specifically on Pulau Ujong, where they offer top-notch Duplex Steel S31803 Bars and Rods. These products are crafted for remarkable strength and impressive corrosion resistance. This particular grade of duplex stainless steel cleverly merges the benefits of both austenitic and ferritic structures, resulting in outstanding mechanical properties and excellent resistance to stress corrosion cracking, pitting, and crevice corrosion. Perfect for tough environments like marine, chemical, and offshore industries, Chuck Metals’ Duplex Steel S31803 Bars and Rods promise durability, performance, and reliability, all while adhering to international quality standards for critical industrial applications.
The composition of Duplex Steel S31803 Bars and Rods includes around 22% chromium, 5–6% nickel, 3% molybdenum, and nitrogen as an alloying element, with iron making up the rest. This blend creates a well-balanced microstructure of austenite and ferrite, leading to a high yield strength—roughly double that of standard stainless steels—along with excellent toughness and weldability. The alloy is particularly resistant to chloride-induced stress corrosion and maintains its mechanical integrity over a wide temperature range.
| Standard | ASTM A276, ASME SA276 |
| Round Bar Size | 3mm~ 800mm |
| Square Bar Size | 4mm* 4mm ~100mm* 100mm |
| Flat Bar Size | 2mm ~ 100mm |
| Hex Bar Size | 2mm ~ 100mm |
| Angle Size | 3mm* 20mm* 20mm~ 12mm* 100mm* 100mm |
| Thickness | 50 mm to 6000 mm Long |
| Length | 1 To 6 Meters, Custom Cut Length |
| Form | Round, Square, Hex(A/F), Rectangle, Billet, Ingot, Forging Etc |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
| S31803 | 0.030 max | 2.00 max | 1.00 max | 0.030 max | 0.020 max | 22.0 – 23.0 | 3.0 – 3.5 | 4.50 – 6.50 | 0.14 – 0.20 | 63.72 min |
| Density (g/cm 3) | Density (lb/in 3) | Melting Point (°C) | Melting Point (°F) |
| 7.805 | 0.285 | 1420 – 1465 | 2588 – 2669 |
| STANDARD | UNS | WERKSTOFF NR. |
| Duplex S31803 | S31803 | 1.4462 |
Yes, Duplex Steel S31803 rods offer excellent corrosion resistance, particularly against pitting, crevice, and stress corrosion. They are ideal for harsh environments, including marine and chemical applications.
Duplex Steel S31803 bars perform well in high-temperature environments, maintaining strength and resistance to oxidation. They are suitable for applications up to approximately 300°C (572°F).
Yes, Duplex Steel S31803 bars can be customized in size and length to meet specific project requirements. Customization ensures flexibility for various industrial applications.
You’ll find Duplex Steel S31803 Bars and Rods widely used in oil and gas exploration, chemical processing plants, desalination equipment, and marine engineering. They’re also utilized in heat exchangers, pressure vessels, pipelines, and structural components that face harsh and corrosive conditions. With their impressive strength-to-weight ratio and exceptional corrosion resistance, they offer a cost-effective solution for industries looking to boost performance and extend service life in demanding environments.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Chuck Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Singapore, Singapore
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