UNS C51100 Copper Flat Products - Mechanical Properties

Sep 27 2012

Copper UNS C51100 has a copper content of not less than 95.6%.

The following table shows the mechanical properties of UNS C51100 flat products as a function of heat treatment and thickness.

Temper Thickness Tensile Str. Yield Str. Elong. Rockwell
B C F 30T
H01 1mm (0.04in) 379MPa (55ksi) 345MPa (50ksi) 36% 48 - - 45
H02 1mm (0.04in) 1144MPa (166ksi) 372MPa (54ksi) 34% 70 - - 65
H03 1mm (0.04in) 510MPa (74ksi) - 11% 84 - - 72
H04 1mm (0.04in) 552MPa (80ksi) 510MPa (74ksi) 8% 86 - - 74
H06 1mm (0.04in) 634MPa (92ksi) - 4% 91 - - 78
H08 1mm (0.04in) 710MPa (103ksi) 552MPa (80ksi) 1% 93 - - 79
H10 1mm (0.04in) 710MPa (103ksi) 552MPa (80ksi) 2% 95 80
HR02 - 434MPa (63ksi) - 26% - - - -
HR04 - 552MPa (80ksi) - 15% - - - -
HR06 - 634MPa (92ksi) - 10% - - - -
HR08 - 676MPa (98ksi) - 8% - - - -
OS015 1mm (0.04in) 338MPa (49ksi) - 50% - - 76 -
OS025 1mm (0.04in) 345MPa (50ksi) - 46% - - 75 -
OS035 1mm (0.04in) 331MPa (48ksi) - 47% - - 73 -
OS050 1mm (0.04in) 317MPa (46ksi) - 48% - - 70 -

Equivalent materials to UNS C51100 copper alloy are the following:

  • ASTM B100
  • ASTM B103

The chemical composition of UNS C51100 copper alloy is outlined in the following table.

Element Content (%)
Tin, Sn 3.5-4.9
Zinc, Zn 0.3
Iron, Fe 0.1
Phosphorous, P 0.03-0.35
Lead, Pb 0.05
Copper, Cu Balance

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