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Hassan Sheets and Plates is a well-respected manufacturer and supplier of Duplex Steel S31803 Angles based in Riyadh, Saudi Arabia. They pride themselves on delivering top-notch duplex stainless steel products that boast impressive strength and resistance to corrosion. The Duplex Steel S31803 features a unique dual-phase austenitic-ferritic microstructure, which provides remarkable protection against stress-corrosion cracking, pitting, and crevice corrosion, particularly in harsh, chloride-rich environments. With a commitment to precise fabrication, smooth finishing, and strict adherence to international quality standards, Hassan Sheets and Plates ensures that their Duplex Steel S31803 Angles are a reliable choice for various applications, including chemical, marine, oil & gas, and structural projects.
These angles are made up of 21–23% chromium, 4.5–6.5% nickel, 2.5–3.5% molybdenum, and nitrogen, with the remainder being iron and trace elements. This specific composition grants them exceptional resistance to aggressive chemicals and localized corrosion. On the mechanical side, these angles showcase a tensile strength of around 620 MPa, a yield strength of 450 MPa, and impressive elongation—nearly double that of standard stainless steels. They also excel in toughness, weldability, and durability, even in high-stress and elevated-temperature conditions, making them a versatile choice for industrial fabrication and structural applications.
Specifications : ASTM A182 / ASME SA182
Angle Size Range : 20 x 20 mm to 100 x 100 mm
Angles Thickness : 3 to 12 mm (depending on size)
Channel Size Range : Base: 80 to 150 mm; Side: 40 to 75 mm
Channel Thickness : 5 to 6 mm (depending on 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 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Hassan Sheets and Plates based in Riyadh, Saudi Arabia, is a leading supplier and stockist of high-quality metal products, including Sheets, Plates, Coils, Foils, Angles, Channels, Circles, and Slitting Coils, all offered with exceptional service and tailored to meet our customers specific requirements. With a focus on delivering superior products, we cater to a wide range of industries, providing reliable solutions for diverse applications. Our extensive inventory includes Known for our unique finishing techniques and commitment to quality. We are dedicated to ensuring customer satisfaction through dependable service and top-notch products.
Duplex Steel S31803 Angle offers several key advantages, making it ideal for demanding applications. Its dual-phase microstructure provides excellent strength and toughness, with tensile strength ranging from 620-800 MPa. The alloy exhibits superior resistance to pitting, crevice corrosion, and stress corrosion cracking, making it ideal for harsh environments. Its high resistance to fatigue and abrasion further enhances its longevity and reliability. Additionally, Duplex Steel S31803 offers excellent weldability, formability, and cost-effectiveness compared to other high-performance alloys, making it a preferred choice for industries like chemical processing, marine, and oil & gas.
Yes, we offer custom sizes for Duplex Steel S31803 Angle to meet specific project needs. Our team at Hassan Sheets and Plates is dedicated to providing tailored solutions for all your requirements. For more details, contact us at sales@aaronsheetsplates.com.
Duplex Steel S31803 Angles find extensive use in the chemical processing, petrochemical, and oil & gas industries for frameworks, supports, and equipment that face tough environments. They’re also utilized in marine applications, desalination plants, and offshore platforms where corrosion resistance and long-lasting durability are essential. Additionally, industries like power generation, pulp and paper, and food processing reap the benefits of their strength and reliability. With their outstanding combination of strength, corrosion resistance, and versatility, Duplex Steel S31803 Angles stand out as a dependable solution for demanding industrial and structural needs.
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Riyadh, Saudi Arabia
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