American Steel | AISI 347

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Description

AISI 347 is an austenitic stainless steel stabilized with niobium, providing excellent resistance to intergranular corrosion and high-temperature strength. This material is particularly suitable for applications in the chemical processing, petrochemical, and aerospace industries, where it is often used for components like heat exchangers, boiler tubes, and exhaust manifolds. AISI 347 performs exceptionally well in environments exposed to high temperatures and corrosive conditions, making it ideal for welding applications. It is well-suited for open-die forging and machining, enabling the production of durable and precise components. The alloy's good weldability and formability enhance its versatility, ensuring reliable performance and longevity in demanding industrial applications requiring strength and corrosion resistance.

Material-Category

American Steel

Designation

AISI 347

Geometries & Products

  • Forged rings
  • Rolled rings
  • Forged disks
  • Rolled disks
  • Bushes
  • Square parts
  • Shafts
  • Stepped shafts
  • Open-die forgings
  • Individual complex geometries
Services
Industries

Max. operating weight

  • 4000 kg

Max. ring diameter

  • 3000 mm

Acceptances

  • 2.2 Certificate
  • 3.1 Certificate
  • 3.2 Certificate
  • 3.2 Certificate with TÜV Süd
  • 3.2 Certificate with TÜV Nord
  • 3.2 Certificate with DNV (Det Norske Veritas)
  • 3.2 Certificate with ABS (American Bureau of Shipping)
  • 3.2 Certificate with Lloyds Register of Shipping
  • 3.2 Certificate with RINA (Registro Italiano Navale) 
  • 3.2 Certificate with BV (Bureau Veritas)
  • 3.2 with SVTI (Schweizerischer Verein für technische Inspektionen)
  • 3.2 with IBR (Indian Boiler Regulation)
  • 3.2 with LRQA
Certificates and Standards

Process

Processing status

raw / unmachined

pre- machined

finish machined according to drawing

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