UNS C46400 Naval Brass, Uninhibited Flat Products - Mechanical Properties

Dec 13 2012

Naval brass, uninhibited UNS C46400 has a copper content of not less than 59%.

The following table shows the mechanical properties of UNS C46400 flat products as a function of heat treatment and thickness.

Temper Thickness Tensile Str. Yield Str. Elong. Rockwell Shear Str.
B C F 30T
H01 1mm (0.04in) 483MPa (70ksi) 400MPa (58ksi) 17% 75 - - 68 296MPa (43ksi)
M20 25.4mm (1in.) 379MPa (55ksi) 172MPa (25ksi) 50% 55 - - 55 276MPa (40ksi)
O50 1mm (0.04in) 427MPa (62ksi) 207MPa (30ksi) 40% 60 - - 57 283MPa (41ksi)
  6.35mm (0.25in) 414MPa (60ksi) 193MPa (28ksi) 45% 58 - - 56 283MPa (41ksi)
O60 6.35mm (0.25in) 400MPa (58ksi) 172MPa (25ksi) 49% 56 - - 55 276MPa (40ksi)

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Equivalent materials to UNS C46400 copper alloy are given below:

  • ASME SB171
  • ASTM B124
  • ASTM B171
  • ASTM B21
  • ASTM B283
  • ASTM B432
  • ASTM F467
  • ASTM F468
  • MIL W-6712
  • QQ B639
  • SAE J461
  • SAE J463

The chemical composition of UNS C46400 copper alloy is outlined in the following table.

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



 

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