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Al Shakru Sheets and Plates is a dependable manufacturer and supplier of Duplex Steel S31803 Angles based in Dubai, UAE . We take pride in delivering high-quality duplex stainless steel products that are renowned for their exceptional strength, corrosion resistance, and lasting durability. Our Duplex Steel S31803 Angles are precision-made using advanced manufacturing techniques and strict quality checks to ensure uniform dimensions, a smooth finish, and reliable performance. These angles are ideal for numerous applications across the chemical, marine, and industrial fields, combining mechanical strength with resistance to stress corrosion cracking. Al Shakru Sheets and Plates serves industries including oil and gas, chemical processing, marine engineering, and industrial manufacturing, offering solutions that comply with international standards for durability and reliability.
Duplex Steel S31803 Angles feature a nicely balanced 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 deliver remarkable 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 perfect 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 with size)
Channel Size Range :Base: 80 to 150 mm; Side: 40 to 75 mm
Channel Thickness :5 to 6 mm (varies with size)
Length :3MTR, 4MTR, 5MTR, 6MTR, or Custom Cut Sizes
| 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 |
Our offerings include products supplied with both mill test certificates and third-party test certificates, guaranteeing the highest levels of quality and compliance.
Al Shakru Sheets and Plates, headquartered in Dubai, UAE, is a top supplier and stockist of premium metal products, such as Sheets, Plates, Coils, Foils, Angles, Channels, Circles, and Slitting Coils, each provided with outstanding service and customized to fit our customers’ particular needs. Concentrating on delivering superior products, we serve a broad spectrum of industries, offering dependable solutions for varied applications. Our large inventory includes Recognized for our distinctive finishing methods and dedication to quality. We are committed to guaranteeing customer satisfaction through reliable service and first-rate products.
Duplex Steel S31803 Angleprovides several important benefits, making it well-suited for demanding applications. Its dual-phase microstructure delivers outstanding strength and toughness, with tensile strength between 620-800 MPa. The alloy shows exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking, which makes it perfect for severe environments. Its strong resistance to fatigue and abrasion adds further to its durability and dependability. On top of this, Duplex Steel S31803 delivers great weldability, formability, and cost-efficiency when compared to other high-performance alloys, making it a favored option for sectors such as chemical processing, marine, and oil & gas.
Yes,we provide custom sizes for Duplex Steel S31803 Angle to suit particular project needs. Our team at Al Shakru Sheets and Plates is committed to delivering tailored solutions for all your requirements. For further details, reach out to us at sales@alshakruplates.ae.
These Duplex Steel S31803 Angles are widely employed in structural supports, offshore platforms, chemical processing facilities, and marine structures owing to their exceptional corrosion resistance and high strength-to-weight ratio. Within industrial and fabrication settings , they are used in machinery components, pressure vessels, flanges, and structural frameworks where durability, reliability, and long-term performance are critical. In addition, these angles play a key role in oil and gas, desalination, and renewable energy projects , delivering operational efficiency, minimal maintenance requirements, and a prolonged service life. Their distinctive blend of mechanical strength and corrosion resistance establishes them as a leading choice for demanding applications.
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