Naval Brass Arsenical Rods (UNS C46500) - Mechanical Properties

Naval brass, arsenical UNS C46500 has a copper content of not less than 59%.

The following table shows the mechanical properties of UNS C46500 rods as a function of heat treatment and thickness.

Temper Thickness Tensile Str. Yield Str. Elong. Rockwell Shear Str.
B C F 30T
O50 6.35mm (0.25in) 434MPa (63ksi) 207MPa (30ksi) 40% 60 - - - 290MPa (42ksi)
25.4mm (1in) 434MPa (63ksi) 207MPa (30ksi) 40% 60 - - - 290MPa (42ksi)
51mm (2in.) 427MPa (62ksi) 193MPa (28ksi) 43% 60 - - - 290MPa (42ksi)
O60 6.35mm (0.25in) 400MPa (58ksi) 186MPa (27ksi) 45% 56 - - - 276MPa (40ksi)
25.4mm (1in) 393MPa (57ksi) 172MPa (25ksi) 47% 55 - - - 276MPa (40ksi)
51mm (2in.) 386MPA (56ksi) 172MPa (25ksi) 47% 55 - - - 276MPa (40ksi)

Equivalent materials to UNS C46500 copper alloy are given below:

  • ASME SB171
  • ASTM B171
  • ASTM B432
  • SAE J461
  • SAE J463

The chemical composition of UNS C46500 copper alloy is outlined in the following table.

Element Content (%)
Copper, Cu 59-62
Arsenic, As 0.02-0.06
Tin, Sn 0.50-1.0
Lead, Pb 0.2
Iron, Fe 0.1
Zinc, Zn Remainder

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