- sales@irispipes.com
- Alexandria, Egypt
Home > Duplex Steel > Duplex Steel Pipes S31803
Iris Pipes and Tubes, located in Cairo, Egypt, stands out as a top manufacturer and supplier of Duplex Steel Pipes S31803. These pipes are celebrated for their remarkable strength, resistance to corrosion, and impressive durability. With a unique austenitic-ferritic microstructure, these high-performance duplex stainless steel pipes boast excellent mechanical properties and are highly resistant to pitting, crevice corrosion, and stress corrosion cracking. At Iris Pipes and Tubes, advanced manufacturing techniques and strict quality control measures are in place to guarantee precise dimensions, a superior surface finish, and long-lasting reliability. The company caters to various industries, including chemical processing, oil and gas, desalination, and marine engineering, providing top-notch duplex steel piping solutions.
Duplex Steel Pipes S31803 are made up of about 22% chromium, 5–6% nickel, and 3% molybdenum, along with trace amounts of nitrogen, manganese, and carbon. This specific composition results in outstanding mechanical properties, featuring a tensile strength ranging from 620 to 850 MPa, a yield strength of 450 to 550 MPa, and excellent toughness and ductility. The duplex microstructure ensures these pipes have high resistance to pitting, crevice corrosion, and stress corrosion cracking, making them perfect for challenging chemical and high-pressure environments.
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 Iris 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.
Iris Pipes and Tubes, one of the largest suppliers of Duplex Steel Pipes S31803 in Alexandria, Egypt, 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 Iris Pipes and Tubes is committed to providing tailored solutions for all your Piping & tubing needs. For more details, contact us at sales@irispipes.com.
These Duplex Steel Pipes S31803 find extensive use in chemical and petrochemical plants, both offshore and onshore oil and gas facilities, desalination plants, and marine engineering projects. They are particularly well-suited for piping systems, heat exchangers, pressure vessels, and structural components that face aggressive corrosive media and significant mechanical stress. Thanks to their superior corrosion resistance, high strength, and long service life, Duplex Steel Pipes S31803 deliver reliable performance in critical industrial applications, making them the go-to choice for high-performance engineering systems.
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