HomeProducts & servicesUNS S31803/1.4462 Seamless Duplex Steel Pipe

UNS S31803/1.4462 Seamless Duplex Steel Pipe

UNS S31803 seamless duplex steel pipe, also known as Duplex 2205, is a high-strength, corrosion-resistant pipe with a dual-phase microstructure of austenitic and ferritic stainless steel. It offers excellent resistance to stress corrosion cracking, pitting, and crevice corrosion, particularly in chloride-rich environments like seawater.
Standards: ASTM A790 / ASME SA790, ASTM A789 / ASME SA789

Applications

  • : Oil and gas, chemical processing, marine, heat exchangers, pressure vessels, and pipelines
  • Key Features

    High tensile strength, fatigue resistance, and suitability for harsh environments; not recommended for temperatures above 300°C due to embrittlement risk

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    ① STANDARD: ASTM A789/ ASTM A790/ ASTM A928/ ...

    ② OD RANGE : 6-720 MM

    ③ THICKNESS RANGE: 1-65 MM

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