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Khush Sheets and Plates is one of the prominent manufacturers and suppliers of Duplex Steel S31803 Angles in Kolkata, India. With years of experience and dedication to excellence, we provide superior-quality Duplex Steel products meeting international standards. Our technologically advanced manufacturing units and rigorous quality checks guarantee unparalleled durability, strength, and accuracy in each product. Reliable to clients from various industries, Khush Sheets and Plates offers tailored solutions to cater to varied project requirements. We take pride in timely delivery, competitive prices, and stellar customer support, which are reasons why we are a favorite among Duplex Steel S31803 Angles.
Duplex Steel S31803 Angle contains around 22% Chromium, 5-6.5% Nickel, 3-3.5% Molybdenum, 0.14% Nitrogen, and small quantities of Manganese, Silicon, Phosphorus, Sulfur, and Iron. This well-balanced structure provides high corrosion resistance and enhanced mechanical strength. Some of the major mechanical characteristics consist of a yield strength of ≥450 MPa, tensile strength of ≥620 MPa, and elongation of ≥25%. The steel has a hardness of ≤290 HBW, providing strength and resilience in adverse environments. Duplex S31803’s distinctive dual-phase microstructure improves fatigue strength and stress corrosion cracking resistance, making it well-suited for harsh applications.
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.
Khush Sheets and Plates based in Kolkata, India, 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 Khush Sheets and Plates is dedicated to providing tailored solutions for all your requirements. For more details, contact us at sales@khushsheetsandplates.co.in
Duplex Steel S31803 Angles are extensively utilized in different industries because they have excellent corrosion resistance and high mechanical strength. They find extensive usage in marine applications, offshore oil and gas platforms, and chemical processing facilities where resistance to stress corrosion cracking due to chloride is essential. They are also utilized in heat exchangers, pressure vessels, structural frameworks, and pulp and paper applications. Their outstanding resistance properties render them best suited for construction, bridges, and architectural usage. Duplex S31803 Angles also lead to longer service life and lower maintenance expenses in harsh industrial settings.
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