Stainless Steel 321

UNS S32100

Characteristics.

  • Stabilized austenitic alloy with titanium helps reduce or prevent carbide precipitation during welding processes and conditions of service.
  • Heat resistant.
  • Corrosion resistant.
  • Applications in chemical industry, aerospace, petrochemical, etc.

Shape or Presentation

  • Sheet
  • Plate
  • Bar
  • Tube
  • Tubing
  • Wire

Chemical Composition %

  • Cr
  • Ni
  • Mo
  • Cu
  • Ti
  • C
  • Mn
  • Si
  • P
  • S
  • N
  • Fe
  • 17.0 min – 19.0 max
  • 9.0 min – 12.0 max
  • 0.75 max
  • 0.75 max
  • 5x(C+N) min – 0.70 max
  • 0.08 max
  • 2.0 max
  • 0.25 min – 1.0 max
  • 0.04 max
  • 0.03 max
  • 0.1 max
  • Balance