Therma 253 MA®

IS 6911, EN 10095, ASTM A240/A240M, ASME II A SA-240/SA-240M

General characteristics

Therma 253 MA is a stainless steel with excellent oxidation and creep resistance in cyclic conditions that is best employed in temperatures up to 1150 °C/2100 °F. There is a slight susceptibility to embrittlement during continuous operation at 600–850 °C/1110–1560 °F.

Typical applications

  • Oil industry equipment
  • Conveyor belts
  • Refractory anchors
  • Expansion bellows
  • Radiant tubes, tube shields, and valves and flanges
  • Rotary kilns
  • Exhaust manifolds
  • Power generation applications
  • Cyclone dip tubes
  • Impact separators
  • Bell furnaces and muffle furnaces
  • Automotive components
  • Heat treatment trays
  • Dampers
  • Recuperator tubes for the steel industry
  • Large-scale bakery ovens

Finishes available from Outokumpu

  • EN
  • Cold Rolled Coil2R-2BB, 2E, 2R-dull
  • Hot Rolled Coil1D
  • Hot Rolled Plate1D
  • Astm
  • Cold Rolled CoilBA-2BB, BA-dull
  • Hot Rolled CoilNo. 1
  • Hot Rolled PlateNo. 1