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Boikanyo Sheets and Plates, based in Cape Town, South Africa, stands out as a trusted manufacturer and supplier of Duplex Steel products, including the highly regarded Duplex Steel S31803 Channels. Renowned for their remarkable strength and resistance to corrosion, these channels are meticulously crafted to adhere to stringent industry standards. Offered in a range of sizes and thicknesses, Boikanyo’s Duplex Steel S31803 Channels deliver exceptional durability and are designed to withstand stress corrosion cracking, pitting, and crevice corrosion. Their impressive mechanical properties and corrosion resistance make them perfect for structural applications in challenging chemical and marine settings.
The Duplex Steel S31803 Channels boast a well-balanced microstructure, featuring nearly equal parts austenite and ferrite. Key alloying elements include 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 outstanding toughness and ductility. The alloy is known for its exceptional resistance to chloride-induced corrosion and stress corrosion cracking, as well as good weldability and thermal stability. These characteristics ensure dependable performance even in the most demanding 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 Channel offers numerous advantages, making it a preferred choice across various industries. Its high chromium and molybdenum content ensures superior corrosion resistance, especially against pitting and crevice corrosion. The dual-phase microstructure imparts excellent mechanical strength and toughness, outperforming many standard stainless steels. It demonstrates exceptional resistance to stress corrosion cracking and fatigue, making it reliable in harsh environments. Additionally, its lightweight yet strong nature reduces material usage and overall costs. Versatile and durable, Duplex Steel S31803 is ideal for applications in marine, chemical, and construction industries.
Yes, we offer custom sizes for Duplex Steel S31803 Channel 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 Channels are extensively utilized across the chemical processing, oil and gas, and marine industries for structural supports, frameworks, and critical infrastructure that face aggressive environments. They play a vital role in heat exchangers, pressure vessels, desalination plants, and pipelines where both strength and corrosion resistance are paramount. Additionally, these channels are also used in pulp and paper manufacturing, wastewater treatment, and power generation. Boikanyo’s Duplex Steel S31803 Channels offer a robust and cost-effective solution for the toughest industrial environments.
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