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Nial Sheets and Plates stands out as a top-notch manufacturer and supplier of high-quality Duplex Steel S31803 Angles right here in Houston, USA. We take pride in our dedication to excellence, delivering durable and corrosion-resistant Duplex Steel products that align with international standards. Our Duplex Steel S31803 Angles are crafted using cutting-edge technology and rigorous quality control measures, ensuring they perform exceptionally well in demanding applications. With a solid foothold in the Houston market, we serve various industries, including oil & gas, petrochemicals, construction, and marine, providing reliable supply solutions and prompt delivery tailored to meet our clients’ unique needs.
The Duplex Steel S31803 Angle is made up of about 22% chromium, 5-6% nickel, 3% molybdenum, and nitrogen, which gives it remarkable corrosion resistance and strength. Its mechanical properties boast a tensile strength of around 620 MPa, a yield strength of approximately 450 MPa, and an elongation of 25%. Thanks to its duplex microstructure, it offers superior toughness and resistance to stress corrosion cracking compared to austenitic stainless steels. Plus, it has good weldability and high fatigue strength, making it perfect for structural and load-bearing applications in tough environments.
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 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 Nial 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 widely embraced across various industries due to their outstanding strength, durability, and resistance to corrosion and stress cracking. They’re ideal for structural frameworks in both offshore and onshore oil rigs, desalination plants, and chemical processing facilities. These angles also find their place in bridges, storage tanks, pressure vessels, and architectural projects where structural integrity and resilience against harsh conditions are crucial. Their dual-phase microstructure guarantees enhanced mechanical performance, making them a go-to choice for high-performance and cost-effective engineering solutions.
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