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Nial Sheets and Plates Manufacturer and Supplier, based in Houston, USA, is a trusted name in the metal fabrication industry. Renowned for delivering high-quality products, Aaron specializes in manufacturing and supplying premium-grade sheets, plates, and channels, including the robust Duplex Steel S31803 Channel. With a commitment to excellence and precision, the company caters to diverse industrial applications, ensuring durability and performance. Aaron combines advanced technology with industry expertise to meet the unique needs of clients across the USA and beyond.
Duplex Steel S31803 Channel, a high-performance alloy, combines excellent corrosion resistance with outstanding mechanical strength. Its composition includes approximately 22% chromium, 5-6% nickel, 3% molybdenum, 0.03% carbon, and trace amounts of nitrogen, manganese, and silicon, enhancing its pitting and stress corrosion resistance. The material exhibits impressive mechanical properties, such as a tensile strength of 620 MPa, yield strength of 450 MPa, and elongation of about 25%. With a high impact strength and superior fatigue resistance, it is ideal for demanding applications in marine, chemical, and structural industries.
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.
Nial Sheets and Plates based in Houston, USA, 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 Nial Sheets and Plates is dedicated to providing tailored solutions for all your requirements. For more details, contact us at sales@nialsheetsandplates.us.
Duplex Steel S31803 Channel is widely used across industries for its exceptional strength and corrosion resistance. In the marine sector, it is employed in shipbuilding, offshore platforms, and desalination plants due to its resilience in saline environments. The chemical and petrochemical industries use it for equipment like storage tanks, heat exchangers, and pipelines, thanks to its resistance to stress corrosion cracking. In construction, it serves in structural supports and frameworks requiring high durability. Its versatility also makes it ideal for pulp and paper industries and energy sectors.
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