Alloy 20

UNS N08020

Characteristics.

  • Also known by other names: Carpenter 20, IncoloyMR Alloy 20.
  • Austenitic nickel-iron-chromium.
  • It has a high resistance to attack by acid (sulfuric acid, for example.)
  • Excellent resistance to corrosion, pitting, etc.
  • Good mechanical properties.
  • Easy to manufacture.
  • As the amount of nickel is at the limit of definition between a stainless steel or a nickel alloy can be used or refer equally.
  • Its use in a variety of industries, including the food industry, the pharmaceutical, chemical, plastic, etc.
  • It is also used in heat exchangers, mixing tanks, cleaning equipment, bath treatment for metals and pipes.

Shape or Presentation

  • Print
  • Plate
  • Bar
  • Tube
  • Tubing
  • Connections
  • Wire

Chemical Composition %

  • Ni
  • Fe
  • Cr
  • Cu
  • Mo
  • Nb
  • C
  • Mn
  • P
  • S
  • Si
  • 32.00 – 38.00
  • Balance
  • 19.0 21.0
  • 3.0 – 4.0
  • 2.0 – 3.0
  • 8xC-1.0 max
  • 0.07 max
  • 2.0 max
  • 0.45 max
  • 0.35 max
  • 1.0 max

*Incoloy is registered trademark of Special Metals Corporation.