High-Silicon Bronze A Wires (UNS C65500) - Mechanical Properties

UNS C65500 high-silicon bronze A alloy has a copper content of not less than 97%.

The following table shows the mechanical properties of UNS C65500 wires as a function of heat treatment and thickness.

Temper Thickness Tensile Str. Yield Str. Elong. Shear Str. Fatigue Str.
H00 2 mm (0.08 in) 483 MPa (70 ksi) 276 MPa (40 ksi) 35% 331 MPa (48 ksi) -
H01 2 mm (0.08 in) 552 MPa (80 ksi) 331 MPa (48 ksi) 20% 359 MPa (52 ksi) -
H02 2 mm (0.08 in) 676 MPa (98 ksi) 393 MPa (57 ksi) 8% 400 MPa (58 ksi) -
H04 2 mm (0.08 in) 862 MPa (125 ksi) 448 MPa (65 ksi) 5% 448 MPa (65 ksi) 200 MPa (29 ksi)
H08 2 mm (0.08 in) 1000 MPa (145 ksi) 483 MPa (70 ksi) 3% 483 MPa (70 ksi) 207 MPa (30 ksi)
OS035 2 mm (0.08 in) 414 MPa (60 ksi) 172 MPa (25 ksi) 60% 296 MPa (43 ksi) -

The chemical composition of UNS C65500 copper alloy is outlined in the following table.

Element Content (%)
Silicon, Si 2.8-3.8
Zinc, Zn 1.5
Iron, Fe 0.8
Ni 0.6
Manganese, Mn 0.50-1.3
Lead, Pb 0.05
Copper, Cu Remainder

Equivalent materials to UNS C65500 copper alloy are:

  • ASME SB315
  • ASME SB96
  • ASME SB98
  • ASTM B100
  • ASTM B105
  • ASTM B124
  • ASTM B283
  • ASTM B315
  • ASTM B432
  • ASTM B96
  • ASTM B98
  • ASTM B99
  • ASTM F467
  • SAE J461
  • SAE J463

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