Alloy 446 -SS Weldability

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With Alloy 446 most common welding technique can be successfully utilized. Type 308 welding material might be utilized, however, won't show scaling resistance equivalent to the base metal. Consideration must be given to the distinctions in coefficient of thermal expansion of the base as well as weld metal. Oxyacetylene welding is not recommended for Alloy 446.

Applications
  • Neutral salt pot electrodes
  • Recuperators
  • Spouts for conveying molten copper alloys
  • Combustion chambers
  • Furnace and kiln linings
  • Stack dampers
  • Boiler baffles
  • Glass molds
  • Soot blowers
  • X-ray tube bases
  • Oil burner components
  • Annealing boxes
  • Industrial mufflers
  • Furnace parts


Chemical Composition %

GradeC Si P S CrMn Ni N Fe
Alloy 446 0.2 max 1 max0.04 max 0.03 max 23.0-27.0 1.5 max 0.75 max 0.25 max Remainder
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