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Al Shakru Sheets and Plates is a dependable manufacturer and supplier of Duplex Steel S31803 Channels based in Dubai, UAE . We take pride in supplying premium duplex stainless steel products that are renowned for their exceptional corrosion resistance, notable strength, and enduring durability. Our Duplex Steel S31803 Channels are made with precision, employing advanced production methods and strict quality control to ensure uniform dimensions, a fine surface finish, and reliable performance. These channels are ideal for numerous applications across the chemical, marine, and industrial sectors, offering excellent resistance to pitting, crevice corrosion, and stress corrosion cracking. Al Shakru Sheets and Plates serves industries including oil and gas, chemical processing, marine engineering, and industrial manufacturing, providing high-performance duplex steel solutions.
Duplex Steel S31803 Channels feature a well-proportioned austenitic (≈50%) and ferritic (≈50%) stainless steel microstructure , fortified with alloying elements such as chromium (≈22%), nickel (≈5–6%), molybdenum (≈3%), nitrogen, and trace elements . They demonstrate notable tensile strength (≈650–800 MPa) , yield strength (≈450–550 MPa) , superb ductility , and outstanding resistance to pitting, crevice corrosion, and stress corrosion cracking , which makes them well suited for demanding and corrosive settings.
Specifications :ASTM A182 / ASME SA182
Angle Size Range :20 x 20 mm up to 100 x 100 mm
Angles Thickness :3 to 12 mm (varies by size)
Channel Size Range :Base: 80 to 150 mm; Side: 40 to 75 mm
Channel Thickness :5 to 6 mm (varies by size)
Length :3MTR, 4MTR, 5MTR, 6MTR, or Custom Cut Lengths
| STANDARD | WERKSTOFF NR. | UNS |
| Duplex 1803 | 1.4462 | S31803 |
| 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 |
| Grades | Density (g/cm 3) | Density (lb/in 3) | Melting Point (°C) | Melting Point (°F) |
| S31803 | 7.805 | 0.285 | 1420 – 1465 | 2588 – 2669 |
We supply products accompanied by both mill test certificates and third-party test certificates, guaranteeing the highest standards of quality and compliance.
Al Shakru Sheets and Plateslocated in Dubai, UAE, is a premier supplier and stockist of high-quality metal products, including Sheets, Plates, Coils, Foils, Angles, Channels, Circles, and Slitting Coils, all provided with outstanding service and customized to fulfill our customers specific needs. With an emphasis on delivering superior products, we serve a broad range of industries, offering reliable solutions for varied applications. Our extensive inventory includes Recognized for our distinctive finishing techniques and dedication to quality. We are committed to guaranteeing customer satisfaction through reliable service and first-rate products.
Duplex Steel S31803 Channelprovides a wide range of benefits, making it a favored option across many industries. Its elevated chromium and molybdenum levels deliver outstanding corrosion resistance, particularly against pitting and crevice corrosion. The two-phase microstructure gives it remarkable mechanical strength and toughness, surpassing many conventional stainless steels. It shows outstanding resistance to stress corrosion cracking and fatigue, ensuring dependability in demanding environments. Furthermore, its combination of low weight and high strength cuts down on material consumption and total costs. Both adaptable and long-lasting, Duplex Steel S31803 is well-suited for use in the marine, chemical, and construction industries.
Yes,we offer custom sizes for Duplex Steel S31803 Channel to fit particular project requirements. Our team at Al Shakru Sheets and Plates is committed to delivering customized solutions for all your needs. For further information, reach out to us at sales@alshakruplates.ae.
These Duplex Steel S31803 Channels are widely employed in structural frameworks, offshore platforms, chemical processing plants, and marine structures owing to their outstanding corrosion resistance and favorable strength-to-weight ratio. Within industrial and fabrication settings , they function as machinery supports, pressure vessels, structural components, and fabrication assemblies where durability, reliability, and long-term performance are critical. Additionally, these channels are used in oil and gas, desalination, and renewable energy projects , delivering operational efficiency, minimal maintenance, and an extended service life. Their distinctive combination of mechanical strength and corrosion resistance makes them a leading choice for demanding environments.
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