- sales@rithavpipesandtubes.co.in
- Delhi, India
Home > Duplex Steel > Duplex Steel Pipes S31803
Rithav Pipes and Tubes, based in Delhi, India, stands out as a leading manufacturer and supplier of HFS Tubing (Hot Finished Seamless Tubing). This tubing is specifically designed for applications that demand exceptional strength, precise dimensions, and smooth internal surfaces. The production process involves hot working, which not only boosts structural integrity but also alleviates residual stress, making it perfect for machining, bending, and high-pressure situations. At Rithav, we provide top-notch HFS tubes in various grades of carbon steel, alloy steel, and stainless steel, all adhering to global standards like ASTM A106, A335, and EN specifications. Our tubes find extensive use in construction, automotive, and heavy engineering sectors.
HFS Tubing is generally crafted from carbon steel or alloy steel, with its chemical makeup varying according to the specific grade (like A106, A53, EN 10210). Key elements typically include carbon (≤ 0.30%), manganese, silicon, phosphorus, and sulfur. The mechanical properties of HFS Tubes showcase a tensile strength ranging from 415 to 585 MPa, yield strength between 240 and 355 MPa, and elongation of 20 to 30%, depending on the grade and heat treatment. The hot finishing process enhances the grain structure, minimizes residual stress, and improves machinability and dimensional consistency, making it ideal for precision applications and high-temperature settings.
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 Rithav 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.
Rithav Pipes and Tubes, one of the largest suppliers of Duplex Steel Pipes S31803 in Delhi, 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 Rithav Pipes and Tubes is committed to providing tailored solutions for all your Piping & tubing needs. For more details, contact us at sales@rithavpipesandtubes.co.in.
HFS Tubing is extensively utilized in hydraulic systems, mechanical structures, heavy machinery, and automotive parts, thanks to its remarkable formability and strength. It’s the go-to choice for cylinder barrels, axles, drive shafts, pressure vessels, and boiler components where internal pressure, load-bearing capacity, and high mechanical reliability are essential. The smooth inner surface and consistent wall thickness also make it perfect for machined components, heat exchangers, and the transport of high-pressure fluids and gases. In industries like construction, energy, and mining, HFS tubing plays a crucial role in structural applications.
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