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Home > Duplex Steel > Duplex Steel Pipes S31803
Located in Mumbai, which is the industrial capital of India, Impex Tube India is a trusted name for the production and supply of high-quality metal piping solutions to a diverse range of industries with precision and quality. One of the specialty products from its portfolio is Duplex Steel Pipes S31803, which is produced from duplex stainless steel having a balanced composition of austenite and ferrite. These pipes are offered in round, square and rectangular shapes with exceptional strength, corrosion resistance, and durability making them perfect for demanding environments in marine, chemical and structural applications.
Duplex Steel Pipe S31803 consists of around 22% Chromium, 5-6.5% Nickel, 3% Molybdenum and balanced with Iron, providing excellent corrosion and pitting resistance. Mechanically they offer high strength with a tensile strength of approximately 620 MPa and yield strength of 450 MPa, as well as good impact toughness. Physically, the pipes possess a density of 7.8 g/cm³ a melting point range of 1350–1450°C, and low thermal expansion. These characteristics make them durable and stable, thus S31803 pipes can be used in high-stress and corrosive conditions in many industrial applications.
Pipe Range : 1 / 2″ NB – 8″ NB
Outer Diameter : 6.0-630mm
Wall Thickness : 0.3mm – 50 mm
Schedules : SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
Length : Single Random, Double Random & Required Length
Specifications : ASTM A790 / ASME SA790
Types : Seamless / Fabricated
| Duplex | S31803 |
|---|---|
| Ni | 4.50 – 6.50 |
| Fe | 63.72 min |
| Cr | 22.0 – 23.0 |
| C | 0.030 max |
| Si | 1.00 max |
| Mn | 2.00 max |
| P | 0.030 max |
| S | 0.020 max |
| N | 0.14 – 0.20 |
| Grade | S31803 |
| Density (g/cm 3) | 7.805 |
| Density (lb/in 3) | 0.285 |
| Melting Point (°C) | 1420 – 1465 |
| Melting Point (°F) | 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.
Choosing Duplex Steel Pipes S31803 from Impex Tube India ensures high quality and durability, as these pipes offer excellent corrosion resistance and strength. Our commitment to exceptional service and reliable delivery guarantees customer satisfaction across various industrial applications. Our expertise in stainless steel products ensures you receive a top-tier solution tailored to your needs.
Impex Tube India, one of the largest suppliers of Duplex Steel Pipes S31803 in Mumbai, India, offers a comprehensive range of high-quality pipes and tubes suitable for various industrial applications. Their extensive inventory and commitment to exceptional service make them a go-to choice for stainless steel products in the region.
Yes, we offer custom sizes for Duplex Steel Pipes S31803 to meet your specific requirements. Our team at Impex Tube India is committed to providing tailored solutions for all your Piping & tubing needs. For more details, contact us at sales@impextubeind.com.
Duplex Steel Pipes S31803 are extensively employed in industries that require high strength and resistance to corrosion. Some of the usual applications are offshore oil and gas platform, chemical process units, heat exchangers, and desalination plants. Duplex Steel Pipes S31803 are best suited for the transportation of corrosive fluids in a marine environment, petrochemical processes, and pulp and paper mills. Their good resistance to stress corrosion cracking and erosion further makes them suitable for pressure vessels and structural frameworks. With durability under severe conditions, S31803 pipes provide long-lasting performance in both high-pressure and high-temperature industrial applications.
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