- sales@davidpipes.com
- Canberra, Australia
Home > Duplex Steel > Duplex Steel Pipes S31803
David Pipes and Tubes is a well-respected manufacturer and supplier located in Canberra, Australia, specializing in a top-notch selection of Duplex Steel Pipes S31803. These pipes are celebrated for their remarkable strength, resistance to corrosion, and impressive longevity, making them perfect for tough industrial settings. With a commitment to precision engineering and rigorous quality control, David Pipes and Tubes delivers products that align with international standards. Their Duplex Steel Pipes S31803 are highly regarded for their excellent mechanical performance and resistance to pitting and stress corrosion, serving industries such as petrochemical, marine, and power generation.
The composition of Duplex Steel Pipes S31803 includes about 22% chromium, 5–6% nickel, and 3% molybdenum, with added nitrogen to boost strength. They showcase a high tensile strength of around 620 MPa and a yield strength of about 450 MPa, along with commendable ductility and toughness. The unique dual-phase microstructure of austenite and ferrite provides outstanding resistance to chloride-induced stress corrosion cracking and localized corrosion. These pipes also maintain excellent weldability and structural integrity, even under challenging temperature and pressure conditions.
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 David Pipes and Tubes 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.
David Pipes and Tubes, one of the largest suppliers of Duplex Steel Pipes S31803 in Canberra, Australia, 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 David Pipes and Tubes is committed to providing tailored solutions for all your Piping & tubing needs. For more details, contact us at sales@davidpipes.com.
Duplex Steel Pipes S31803 find extensive applications in sectors like chemical processing, oil and gas exploration, desalination plants, and marine engineering. Their exceptional corrosion resistance, high mechanical strength, and durability make them ideal for heat exchangers, pressure vessels, and pipelines in both offshore and onshore settings. Additionally, they are utilized in the pulp and paper industry, structural frameworks, and process equipment that demand superior strength and corrosion protection. These pipes are preferred for their reliability and long-lasting performance in aggressive industrial environments.
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