ASTM A790 S31803 Duplex Steel Seamless Pipe is a type of steel pipe that is widely used in various industries due to its high strength, corrosion resistance, and affordability. This pipe is made using a process that involves heating and shaping the steel into the desired form without any joints or seams. The following specifications and chemical composition provide more details on this type of seamless pipe.

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S31803 Duplex Seamless Pipe Specifications:

•  Standard: ASTM A790, ASME A790

•  Grade: S31803, 2205, 1.4462

•  Size range: 1/2" NB to 36" NB

•  Schedule: SCH 10, SCH 40, SCH 80, SCH 160, XXS

•  Thickness: 0.3mm – 50 mm

•  Length: Single Random, Double Random & Cut Length

•  End: Plain End, Beveled End, Treaded

Duplex 2205 Chemical Composition:

- Chromium: 22-23%

- Nickel: 4.5-6.5%

- Molybdenum: 3-3.5%

- Nitrogen: 0.14-0.2%

- Carbon: 0.03% max

- Silicon: 1% max

- Phosphorus: 0.03% max

- Sulfur: 0.02% max

ASTM A790 S31803 Duplex Steel Seamless Pipe Size:

ASTM A790 S31803 Duplex Steel Seamless Pipe is known for its excellent performance in various applications due to its high strength and corrosion resistance. This type of steel pipe is commonly used in industries such as oil and gas, petrochemical, chemical, and marine applications. It is also used in the construction of bridges, buildings, and other infrastructure projects.