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Rithav Pipes and Tubes stands out as a reliable manufacturer and supplier of Duplex Steel Mechanical Tubing, proudly based in Delhi, India. Duplex stainless steels blend austenitic and ferritic microstructures, providing remarkable strength, excellent weldability, and impressive resistance to stress corrosion cracking and pitting. Our duplex mechanical tubing, crafted to meet ASTM A789, ASTM A790, and similar standards, ensures uniform dimensions, smooth bore surfaces, and consistent mechanical properties. We cater to various industries, including oil and gas, chemical processing, desalination, marine engineering, and pulp and paper, where reliable performance under high pressure and corrosive conditions is crucial.
Duplex Steel Mechanical Tubing is typically produced in grades like UNS S31803 (2205) and UNS S32205. These alloys generally consist of 21–23% chromium, 4.5–6.5% nickel, 2.5–3.5% molybdenum, and nitrogen to boost corrosion resistance and strength. The mechanical properties feature a tensile strength ranging from 620–850 MPa and a yield strength of about 450 MPa, which is nearly double that of standard austenitic stainless steels. Duplex tubing showcases excellent toughness, good weldability, and outstanding resistance to chloride-induced stress corrosion cracking and pitting, making it ideal for highly corrosive and high-pressure settings.
Size | : | 1/2″NB TO 12 “NB IN |
Standards | : | ASTM A 790 ASME SA 790 |
Grades | : | (Duplex UNS S31803), UNS 2UNS S32205 (Duplex UNS S32205) |
Length | : | Single Random, Double Random & Cut Length |
Type | : | Mechanical |
Form | : | Round, Hydraulic Etc |
Schedule | : | SCH20, SCH30, SCH40, STD, SCH80 |
Chemical Composition % | ||||
Cr | Ni | Mo | C | N |
22.0-23.0 | 4.50-6.50 | 3.00-3.50 | .030 Max | 0.14-0.20 |
Mn | Si | P | S | Fe |
2.00 Max | 1.00 Max | .030 Max | .020 Max | Balance |
Duplex Steel | Tubing |
Density | 7.805 |
Melting Range,℃ | 1450 ℃ |
Elongation % | 25 min. |
Tensile Strength (Mpa) | 655 |
Yield Strngth (Mpa) | 450 |
Hardness (Brinell) | 293 max |
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 Mechanical Tubes from Rithav Pipes and Tubes ensures superior quality and durability, offering outstanding corrosion resistance and high strength. Our dedication to delivering exceptional service and reliable products guarantees customer satisfaction across a wide range of industrial applications. With our expertise in Duplex steel solutions, you can trust us to provide a top-tier, customized piping solution that meets your specific requirements.
Rithav Pipes and Tubes, one of the largest suppliers of Duplex Steel Mechanical Tubing in the Delhis, India. Offers a wide range of high-quality pipes and tubes designed for various industrial applications. Their extensive inventory and dedication to exceptional service make them a trusted choice for Duplex steel products in the region, delivering reliable solutions to meet diverse project requirements.
Yes, we provide custom sizes for Duplex Steel Mechanical Tubing to meet your specific requirements. At Rithav Pipes and Tubes, our team is dedicated to delivering tailored solutions for all your piping and tubing needs. For more information, please contact us at sales@rithavpipesandtubes.co.in.
Duplex Steel Mechanical Tubing is widely used in applications requiring high strength and corrosion resistance. Typical applications include oil and gas for construction, pipelines and subsea equipment. Because of its excellent resistance to environmental aggression it is also used in connection with heat exchangers, pressure vessels, reactors and chemical plants In marine applications, such as offshore platforms, water piping needed, and used in the power, desalination and aerospace industries.
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