Admiralty Phosphorized Tube (UNS C44500) - Mechanical Properties

Nov 19 2012

Admiralty, phosphorized UNS C44500 has a copper content of not less than 70%.

The following table shows the mechanical properties of UNS C44500 tube as a function of heat treatment.

Temper Tensile Str. Yield Str. Elong. Rockwell
B C F 30T
OS025 365MPa (53ksi) 152MPa (22ksi) 65% - - 75 37

Equivalent materials to UNS C44500 copper alloy are given below:

  • ASME SB111
  • ASME SB171
  • ASME SB359
  • ASME SB395
  • ASME SB543
  • ASTM B111
  • ASTM B171
  • ASTM B359
  • ASTM B395
  • ASTM B432
  • ASTM B543

The chemical composition of UNS C44500 copper alloy is outlined in the following table.

Element Content (%)
Copper, Cu 70-73
Tin, Sn 0.8-1.2
Phosphorous, P 0.02-0.10
Lead, Pb 0.07
Iron, Fe 0.06
Zinc, Zn Remainder

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