Location
Mumbai – 400 004, INDIA.
Duplex steel is a type of stainless steel alloy that contains around equal amounts of ferrite and austenite. It is a combination of two different types of stainless steels. As a result, Duplex Steel S32205 EFW Pipes have superior strength and corrosion resistance compared to traditional stainless steel alloys. In other words, it can withstand extreme temperatures and harsh conditions with ease.
Duplex steel EFW (electric fusion welded) pipes are made from duplex steel alloy with an outer diameter between 21mm-508mm and wall thickness between 2mm-50mm. These pipes offer superior strength and corrosion resistance due to their high chromium content and low carbon content. They are also highly resistant to pitting corrosion, which makes them ideal for use in areas where there is a higher risk of corrosion or chemical attack. Additionally, they have excellent stress corrosion cracking resistance, making them suitable for high temperature applications such as heat exchangers and boilers. Stainless Steel 310S EFW Pipes, Stainless Steel 316 EFW Pipes and many more grades are also available.
Duplex steel S31803 EFW pipes are used in many industries including oil & gas exploration, petrochemical processing, food & beverage processing, power generation plants, desalination plants, paper mills, etc. These pipes can be used in both commercial and industrial applications due to their superior strength and durability. Additionally, these pipes can be used in high temperature applications such as boilers because they are highly resistant to thermal shock as well as pressure surges. Furthermore, these pipes can be used for transporting corrosive media due to their excellent corrosion resistance properties. Different types of products are available, such as Stainless Steel 310 Round Bars, Stainless Steel 317L Seamless Pipes, etc.
Duplex Steel S31803 EFW Pipes have superior strength and durability due to their high chromium content. Chromium provides resistance to chloride-induced stress corrosion cracking which makes them ideal for applications where corrosive environments are present. The addition of molybdenum increases the mechanical properties of these pipes, making them more resistant to abrasion and wear. As a result, they can handle higher pressures than other materials without losing structural integrity or becoming brittle over time.
The high chromium content also gives these pipes excellent corrosion resistance. This makes them ideal for applications where they may be exposed to corrosive chemicals or harsh environmental conditions like near-shore environments or seawater exposure. Additionally, their ability to resist pitting makes them suitable for use in areas with high levels of salinity or acidity as well as in cooling systems or desalination plants.
These pipes can be used in a variety of applications due to their versatile nature. They can be welded using conventional methods as well as cold drawn processes that require no additional heat treatment afterwards. This means they can be used for anything from low pressure applications such as plumbing systems up to highly pressurized systems like nuclear power plants where the integrity of the pipe is essential for safety reasons. Additionally, their ability to handle higher temperatures make them suitable for boilers and other heating systems where temperature fluctuations occur frequently.
Table of Content
Duplex Steel S31803 EFW pipes have high strength, excellent corrosion resistance & good weldability. These duplex steel EFW pipes are suitable for high-pressure and high-temperature applications.
Duplex Steel S31803 EFW pipes are used in a variety of industries, including chemical processing, oil & gas, petrochemical and marine industries. They are also used in heat exchangers, pipelines & structural applications.
Duplex Steel S31803 EFW pipes are available in a range of sizes & dimensions, with the diameter ranging from 6mm to 610mm, and the thickness ranging from 1mm to 30mm.
Duplex Steel S32205 EFW pipes have a high yield strength and tensile strength, as well as good elongation and impact strength. They are also highly resistant to stress corrosion cracking and pitting corrosion.
Duplex Steel S32205 EFW pipes are made by welding Duplex Steel S32205 plates together, while Duplex Steel S32205 seamless pipes are made by piercing a solid billet of Duplex Steel S32205 and drawing it into a hollow tube shape. EFW pipes are typically used for larger diameters and thicker walls, while seamless pipes are more commonly used for smaller diameters & thinner walls.
| Specification | ASTM A928 / ASME SA928 |
| Size | 5.0 mm – 1219.2 mm |
| Outside Diameter | 6.00 mm OD up to 914.4 mm OD, Sizes up to 24” NB available Ex-stock, OD Size Steel Tubes available Ex-stock |
| Finish | Polished, AP (Annealed & Pickled), BA (Bright & Annealed), MF |
| Thickness Range | 0.3mm – 50 mm, SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS |
| Type | Seamless / ERW / Welded / Fabricated / CDW |
| Form | Round Pipes/Tubes, Square Pipes/Tubes, Rectangular Pipe/Tubes, Coiled Tubes, “U” Shape, Pan Cake Coils, Hydraulic Tubes |
| Length | Single Random, Double Random & Required Length End: Plain End, Beveled End, Treaded |
| End Protection | Plastic Caps |
| Surface Finish | 2B, No.4, No.1, No.8 Mirror Finish for Duplex Steel Pipes, Finish as per customer Requirements |
| Delivery Condition | Annealed and Pickled, Polished, Bright Annealed, Cold Drawn |
| Schedule | SCH5, SCH10, SCH40, STD, SCH80, SCH160 |
| Pipe End | Plain End, Beveled End, Treaded. |
| UNS Designation & International Equialent for Duplex S32205 EFW Pipes | |||||||||
| Type | UNS | WNR. | |||||||
| Duplex S31803 | S31803 | 1.4462 | |||||||
| Duplex S32205 | S32205 | 1.4462 | |||||||
| Grade | C | Mn | Si | P | S | Cr | Ni |
| Duplex Steel S31803 | 0.03 max | 2 max | 1 max | 0.03 max | 0.03 max | 21-23 | 4.5-6.5 |
| Duplex Steel S32205 | 0.03 max | 2 max | 1 max | 0.03 max | 0.03 max | 22-23 | 4.5-6.5 |
| Grade | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| S31803 | 8.0 g/cm3 | 1400 °C (2550 °F) | 620 min | 450 min | 25 % |
| S32205 | 8.0 g/cm3 | 1400 °C (2550 °F) | 655 min | 450 min | 25 % |
Check ASME B36.19 Duplex Steel S31803 EFW Pipe, A928 Duplex S32205 Sch 40 EFW Pipe dimensions and thickness chart, SA 790 TP S32205 EFW Pipe and TP S31803 Duplex Steel DIN 1.4462 Square EFW Pipe price per meter in India
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Navrang Steel is a prominent manufacturer, supplier, stockist and exporter of Pipes, Forged Fittings, Fasteners, and other industrial products. We stock and supply all these products in various materials, such as Stainless Steel, Duplex and Super Steel, Nickel Alloy, inconel, monel, hastelloy, and various other ferrous and non-ferrous materials.
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