Monel 405 Alloy Steel Bar


Monel® R-405 is a nickel-copper alloy created and manufactured by Special Metals, also known as UNS N04405, it is part of the Monel family of superalloys. Typically found in rod, bar, and wire form, Monel 405 offers enhanced machinability due to a higher sulfur content.  In addition, this superalloy also has excellent corrosion resistance and high strength properties. These characteristics make it ideally suited for difficult marine and chemical environments. It is also resistant to sulfuric acids and performs well in subzero temperatures.


Monel R-405 has a chemical composition of:


  • Nickel 63%
  • Copper 28-34%
  • Carbon .3% max
  • Manganese 2% max
  • Iron 2.5% max
  • Silicon 0.5 max
  • Sulfur 0.025-0.060%


Some of the other benefits of Monel R-405 include:


It is approved by ASME for use in boilers, pressure vessels, and nuclear vessels

Can be fabricated, pickled, and heat-treated exactly like Monel 400


Meets a wide variety of industry specs including:


  • ASME SB-164
  • ASTM B-164
  • MIL-N-894


Some popular applications for Monel alloy R-405 include:


  • Heat exchangers
  • Oil refinery piping
  • Sulfuric Acid Plants
  • Nuclear Fuel production
  • Pump shafts


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