Alloy R-405 - Monel Weldability

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Monel R-405 is fabricated, salted and heat treated by the same methods with respect to alloy 400. It is not recommended for forging. So the R-405 alloy was particularly produced for good machinability and is recommended for use with programmed screw machines. The nickel - copper sulfides coming about the sulfur in its structure act as chip breakers. This nickel alloy likewise has the same process and processes as alloy 400 and can be combined with standard welding, brazing and soldering methods.

Pretty much as with alloy 400, Alloy R-405 can without much of a stretch be welded by the gas - tungsten arc, gas metal arc, or shielded metal arc forms utilizing proper filler metals. There is no requirement for post weld heat treatment; in any case, intensive cleaning after welding is basic for ideal corrosion resistance and generally there is the risk of contamination and embrittlement.

Applications

Alloy R-405 is predominantly utilized for programmed screw-machine stock and it not for the most part recommended for different applications. Screw machine stock for fasteners and comparable high production run items.

  • Meter and valve parts
  • Fasteners.
  • Screw machine products.
  • Feed water and steam generator tubing.
  • Brine heaters, sea water scrubbers in tanker inert gas systems.
  • Sulfuric acid and hydrofluoric acid alkylation plants.
  • Pickling bat heating coils.
  • Heat exchangers in a variety of industries.
  • Transfer piping from oil refinery crude columns.
  • Plant for the refining of uranium and isotope separation in the production of nuclear fuel.
  • Pumps and valves used in the manufacture of perchlorethylene, chlorinated plastics.
  • Monoethanolamine (MEA) reboiling tube.
  • Cladding for the upper areas of oil refinery crude columns.
  • Propeller and pump shafts.


Chemical Composition %

GradeCSiSMnFeNiCu
Alloy R-405 0.3 max0.5 max0.025-0.0602.0 max 2.5 max63.0 min28.0-34.0
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