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C81400 Copper vs. C38500 Bronze

Both C81400 copper and C38500 bronze are copper alloys. They have 57% of their average alloy composition in common. There are 28 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 C81400 copper and the bottom bar is C38500 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
100
Elongation at Break, % 11
17
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 41
37
Tensile Strength: Ultimate (UTS), MPa 370
370
Tensile Strength: Yield (Proof), MPa 250
130

Thermal Properties

Latent Heat of Fusion, J/g 210
160
Maximum Temperature: Mechanical, °C 200
110
Melting Completion (Liquidus), °C 1090
890
Melting Onset (Solidus), °C 1070
880
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 260
120
Thermal Expansion, µm/m-K 17
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 60
28
Electrical Conductivity: Equal Weight (Specific), % IACS 61
31

Otherwise Unclassified Properties

Base Metal Price, % relative 33
22
Density, g/cm3 8.9
8.1
Embodied Carbon, kg CO2/kg material 2.8
2.6
Embodied Energy, MJ/kg 45
45
Embodied Water, L/kg 310
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
48
Resilience: Unit (Modulus of Resilience), kJ/m3 260
78
Stiffness to Weight: Axial, points 7.3
7.0
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 11
13
Strength to Weight: Bending, points 13
14
Thermal Diffusivity, mm2/s 75
40
Thermal Shock Resistance, points 13
12

Alloy Composition

Beryllium (Be), % 0.020 to 0.1
0
Chromium (Cr), % 0.6 to 1.0
0
Copper (Cu), % 98.4 to 99.38
55 to 59
Iron (Fe), % 0
0 to 0.35
Lead (Pb), % 0
2.5 to 3.5
Zinc (Zn), % 0
36.7 to 42.5
Residuals, % 0
0 to 0.5