Alloy R-405 Machinability

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Alloy R-405 has a very good machinability. High speed tool should be utilized with oil base lubricants.

Turning is done at rates of 140-160 surface feet per minute with a good rate of approximately 0.004 in. /revolution. Drilling is done at 50-65 surface feet for each min. with feed of 0.003 in. /revolution.

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- 4050.3 max0.5 max0.025-0.0602.0 max2.5 max63.0 min28.0-34.0
Mechanical Properties

Tensile Strength (ksi)0.2% Yield Strength (ksi)Elongation% in 2 inches
855015
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