Al Summan Metals, headquartered in Dubai, UAE, has earned a strong standing as a dependable manufacturer and supplier of premium stainless steel products, placing special emphasis on Duplex Steel S31803 Bars and Rods. Well known for their precision engineering and superior metal solutions, Al Summan Metals serves a wide range of industries, supplying long-lasting and corrosion-resistant materials. The Duplex Steel S31803 Bars and Rods merge the finest qualities of ferritic and austenitic stainless steels, delivering exceptional strength, toughness, and corrosion resistance. Driven by a firm dedication to quality, reliability, and on-time delivery, Al Summan Metals guarantees that their solutions comply with international standards, serving numerous industrial fields including oil and gas, chemical processing, marine, and infrastructure projects throughout UAE and beyond.
These Duplex Steel S31803 Bars and Rods consist of roughly 22% chromium, 5% nickel, and 3% molybdenum, together with minor quantities of nitrogen, manganese, and silicon. This carefully balanced makeup gives them outstanding corrosion resistance while also preserving remarkable mechanical strength. They display a yield strength of about 450–550 MPa and a tensile strength of around 620–850 MPa. Featuring a microstructure made up of nearly even proportions of austenite and ferrite, these materials deliver exceptional toughness, fatigue resistance, and stability. Their hardness generally ranges from 280–330 HB, making them ideal for demanding applications in tough industrial environments.
| 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 provide outstanding resistance to corrosion, especially when it comes to pitting, crevice, and stress corrosion. They work perfectly in demanding conditions, such as marine and chemical uses.
Duplex Steel S31803 bars deliver reliable performance in high-temperature settings, retaining their strength and oxidation resistance. They work well for applications reaching up to about 300°C (572°F).
Yes, Duplex Steel S31803 bars can be tailored in both size and length to satisfy particular project needs. Such customization provides flexibility across a range of industrial uses.
Duplex Steel S31803 Bars and Rods are widely applied across industries that demand a combination of strength and resistance to corrosion. They are commonly found in chemical processing equipment, pressure vessels, heat exchangers, and piping systems subjected to acidic or chloride-heavy conditions. In addition, they serve in oil and gas pipelines, marine structures, desalination facilities, and the pulp and paper sector. Because they can withstand pitting, stress corrosion cracking, and heavy mechanical stress, they are a preferred option for challenging engineering applications. These bars and rods deliver lasting dependability, durability, and reduced maintenance requirements.
We supply products accompanied by both mill test certificates and third-party test certificates, guaranteeing the highest standards of quality and compliance.
Al Summan Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Dubai, UAE
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