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Boikanyo Sheets and Plates, located in Cape Town, South Africa, stands out as a reliable manufacturer and supplier of Duplex Steel products, including the highly regarded Duplex Steel S31803 Angles. Renowned for their remarkable strength and resistance to corrosion, these angles are meticulously crafted to adhere to strict industrial standards. Offered in a variety of sizes and thicknesses, Boikanyo’s Duplex Steel S31803 Angles deliver exceptional durability and are designed to withstand stress corrosion cracking, pitting, and crevice corrosion. Their outstanding mechanical properties and corrosion resistance make them perfect for structural and fabrication uses in tough chemical and marine settings.
The Duplex Steel S31803 Angles feature a well-balanced microstructure, comprising roughly 50% austenite and 50% ferrite, with essential alloying elements like 22% chromium, 5-6% nickel, 3% molybdenum, and nitrogen. This unique composition results in tensile strengths typically ranging from 620 to 880 MPa, along with impressive toughness and ductility. The alloy is known for its exceptional resistance to chloride-induced corrosion and stress corrosion cracking, while also offering good weldability and thermal stability. These characteristics ensure dependable performance in challenging fabrication and service conditions.
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.
Boikanyo Sheets and Plates based in Cape Town, South Africa, 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 Boikanyo 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 are extensively utilized in the chemical processing, oil and gas, and marine industries for structural supports, frames, and critical infrastructure that face harsh environments. They play a vital role in heat exchangers, pressure vessels, desalination plants, and pipelines where strength and corrosion resistance are crucial. Furthermore, these angles are also applied in pulp and paper manufacturing, wastewater treatment, and power generation. Boikanyo’s Duplex Steel S31803 Angles provide a robust, reliable, and cost-effective solution for demanding industrial applications.
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