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C17500 Copper vs. C65400 Bronze

Both C17500 copper and C65400 bronze are copper alloys. They have a very high 95% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C17500 copper and the bottom bar is C65400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 6.0 to 30
2.6 to 47
Poisson's Ratio 0.34
0.34
Rockwell B Hardness 38 to 99
82 to 120
Shear Modulus, GPa 45
43
Shear Strength, MPa 200 to 520
350 to 530
Tensile Strength: Ultimate (UTS), MPa 310 to 860
500 to 1060
Tensile Strength: Yield (Proof), MPa 170 to 760
170 to 910

Thermal Properties

Latent Heat of Fusion, J/g 220
260
Maximum Temperature: Mechanical, °C 220
200
Melting Completion (Liquidus), °C 1060
1020
Melting Onset (Solidus), °C 1020
960
Specific Heat Capacity, J/kg-K 390
400
Thermal Conductivity, W/m-K 200
36
Thermal Expansion, µm/m-K 18
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24 to 53
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 24 to 54
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 60
31
Density, g/cm3 8.9
8.7
Embodied Carbon, kg CO2/kg material 4.7
2.8
Embodied Energy, MJ/kg 73
45
Embodied Water, L/kg 320
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30 to 120
10 to 480
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 2390
130 to 3640
Stiffness to Weight: Axial, points 7.5
7.3
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 9.7 to 27
16 to 34
Strength to Weight: Bending, points 11 to 23
16 to 27
Thermal Diffusivity, mm2/s 59
10
Thermal Shock Resistance, points 11 to 29
18 to 39

Alloy Composition

Aluminum (Al), % 0 to 0.2
0
Beryllium (Be), % 0.4 to 0.7
0
Chromium (Cr), % 0
0.010 to 0.12
Cobalt (Co), % 2.4 to 2.7
0
Copper (Cu), % 95.6 to 97.2
93.8 to 96.1
Iron (Fe), % 0 to 0.1
0
Lead (Pb), % 0
0 to 0.050
Silicon (Si), % 0 to 0.2
2.7 to 3.4
Tin (Sn), % 0
1.2 to 1.9
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0
0 to 0.2