Duplex Steel UNS S31803 Pipes & Tubes are a popular choice for many industries. These steel pipes and tubes combine the best of both worlds – Duplex Steel UNS S31803 Seamless Tubes are made from a combination of austenitic and ferritic stainless steels. This unique blend makes ASTM A790 UNS S31803 Pipe both strong and corrosion-resistant while offering improved resistance to chloride stress cracking.
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Duplex Steel UNS S31803 Pipes have a variety of uses in different industries. 31803 Duplex Steel Seamless Pipe is often used for heat exchangers, pressure vessels, boilers, condensers, tubing for oil rigs and pipelines, piping systems for offshore platforms, etc. UNS S31803 Tubes can also be used in the food industry due to their strength and corrosion resistance. Duplex Steel UNS S32205 Pipes, Duplex Steel S31803 Tubes and many more grades are also available.
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There are two main types of Duplex Steel UNS S31803 Tubes – seamless and welded. Seamless is preferred when there is no welding required or when anyone wants to ensure maximum strength with minimal welding points. Different types of products are available, such as Duplex Steel S31803 Sheets, Duplex Steel S32205 Coils , etc.
Duplex Steel UNS S31803 Pipes & Tubes
The primary benefit to using Duplex Steel UNS S31803 Pipes & Tubes is that they provide superior strength compared to other types of steel pipe or tube materials while still being relatively lightweight and easy to transport. Furthermore, UNS S31803 Seamless Tubes provide excellent corrosion resistance even under high-pressure conditions which makes them ideal for use in harsh environments such as oil rigs or offshore platforms where exposure to salt water is common. Another advantage of using UNS S31803 Duplex Steel Tube is that they require less maintenance than other types of steel pipe since they don’t rust easily or need frequent repainting like some other materials do.
Duplex Steel UNS S31803 Pipes & Tubes give a wide range of benefits that make them an attractive option for industrial applications such as heat exchangers, pressure vessels, boilers, condensers etc., as well as for more specialized applications like oil rigs or offshore platforms where corrosion resistance is key. With their superior strength compared to other materials combined with their lightweight yet durable construction these pipes can handle high pressures while still providing excellent corrosion protection even in harsh environments making them a great choice for any project requiring quality steel pipe solutions.
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What is Duplex Steel UNS S31803 Pipes & Tubes?
Duplex Steel UNS S31803 Pipes and Tubes are a type of stainless steel alloy composed of austenite and ferrite microstructures. This duplex combination provides high strength as well as excellent corrosion resistance. These pipes and tubes can be used in various industries such as oil & gas, chemical processing, marine, mining, food processing, power generation and petrochemical.
What are the Benefits of Duplex Steel UNS S31803 Pipes & Tubes?
Duplex Steel UNS S31803 Pipes & Tubes offer several benefits, including excellent resistance to corrosion & high strength. They are also highly resistant to stress corrosion cracking & have good weldability. They have a longer service life & require less maintenance, making them a cost-effective option. Their versatility and durability make them suitable for various industries, including oil & gas, chemical processing, and desalination plants.
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Duplex S31803 Stainless Steel Pipes & Tubes Specification
Standard ASTM A790 / ASME SA790, ASTM A789 / ASME SA A789
Dimensions ASTM, ASME and API
Seamless Pipes & Tubes Sizes 1 / 2" NB - 8" NB
Welded Pipes & Tubes Sizes : 6" NB - 24" NB
Outer Diameter 6.0-630mm
Schedule SCH 10, SCH20, SCH30, SCH40, STD, SCH60, XS, SCH80, SCH120, SCH140, SCH160, XXS
Thickness 0.3mm – 50 mm
Type Seamless / ERW / Welded/ Fabricated
Form Round Pipes/Tubes, Square Pipes/Tubes, Rectangular Pipe/Tubes, Coiled Tubes, "U" Shape, Pan Cake Coils, Hydraulic Tubes
Length Single Random, Double Random & Cut Length
End Plain End, Beveled End, Treaded
Get QuoteDuplex Steel UNS S31803 Pipes and Tubes Equivalent Indian Standard
| STANDARD | UNS | WERKSTOFF NR. |
| Duplex 2205 | S31803 | 1.4462 |
ASTM A790 Duplex Steel S31803 Seamless and Welded Pipe Chemical Composition
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
| S31803 | 0.030 max | 2.00 max | 1.00 max | 0.030 max | 0.020 max | 22.0 – 23.0 | 3.0 – 3.5 | 4.50 – 6.50 | 0.14 – 0.20 | 63.72 min |
ASME SA789 Duplex Steel UNS S31803 Seamless and Welded Tubing Mechanical Properties
| Grade | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| S31803 | 7.8 g/cm3 | 1350 °C (2460 °F) | Psi – 116000 , MPa – 800 | Psi – 80000 , MPa – 550 | 15 % |
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