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Based in the heart of Hamilton, Will Sheetsandplates is a trusted name in the local metal supply industry, known for providing robust and reliable solutions. We are proud to supply and manufacture the exceptionally durable Duplex Steel S31803 Channel, a product engineered for the most challenging environments. Our team understands the critical demands of New Zealand’s industrial and marine sectors, which is why we ensure this high-performance material meets the highest standards for strength and corrosion resistance, ready for the toughest projects.
This particular grade of Duplex steel is expertly balanced, combining a composition of chromium, nickel, molybdenum, and nitrogen. This unique blend gives the S31803 Channel its signature strength, which is approximately double that of standard austenitic stainless steels. Alongside this impressive mechanical toughness, it offers outstanding resistance to pitting and stress corrosion cracking, making it incredibly durable even when exposed to harsh chemicals or saline environments, ensuring a long service life.
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.
Will Sheets and Plates based in Hamilton, New Zealand, 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 Will Sheets and Plates is dedicated to providing tailored solutions for all your requirements. For more details, contact us at sales@aaronsheetsplates.com.
The exceptional strength and corrosion resistance of the Duplex Steel S31803 Channel make it an ideal choice for a wide range of demanding applications. You’ll frequently find it forming the structural backbone in coastal architecture, shipbuilding, and offshore platforms where saltwater is a constant challenge. It’s also perfectly suited for components in chemical processing plants, water treatment facilities, and the pulp and paper industry, standing up to aggressive media while providing a strong, reliable framework for critical infrastructure.
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