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Stainless Steel Bars
T321-347
Description

Type 321 is an austenitic chrome nickel steel to which titanium has been added. This grade is recommended for parts fabricated by welding which cannot be subsequently annealed. It is also recommended for parts to be used at temperatures between 800° and 1650°. Decorative applications are not recommended.

Similar to T321, T347 is also an austenitic chrome-nickel steel that has been stabilized with columbium and tantalum. this grade is also recommended for parts which are welded, but cannot be annealed.
Typical Applications
  • Aircraft collector rings
  • Boiler casings
  • Cabin heaters
  • Fire walls
  • Furnace heating element
  • Jet engine parts
  • Airplane exhuast stacks
  • Chemical tank cars
  • Expansion Joints
  • Jet engine parts
Chemical Composition

321

  • Chrome: 17.0 - 19.0
  • Nickel: 9.0 - 12.0
  • Carbon: .08 max.
  • Manganese: 2.00 max.
  • Silicon: 1.00 max.
  • Molybdenum: --
  • Titanium: 5 x C min.

347

  • Chrome: 17.0 - 19.0
  • Nickel: 9.0 - 12.0
  • Carbon: .08 max.
  • Manganese: 2.00 max.
  • Silicon: 1.00 max.
  • Molybdenum: --
  • Titanium: 10 x C min.
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