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C65100 Bronze vs. C68700 Brass

Both C65100 bronze and C68700 brass are copper alloys. They have 79% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C65100 bronze and the bottom bar is C68700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 43
41
Tensile Strength: Ultimate (UTS), MPa 280 to 560
390
Tensile Strength: Yield (Proof), MPa 95 to 440
140

Thermal Properties

Latent Heat of Fusion, J/g 230
190
Maximum Temperature: Mechanical, °C 200
160
Melting Completion (Liquidus), °C 1060
970
Melting Onset (Solidus), °C 1030
930
Specific Heat Capacity, J/kg-K 390
400
Thermal Conductivity, W/m-K 57
100
Thermal Expansion, µm/m-K 18
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
23
Electrical Conductivity: Equal Weight (Specific), % IACS 12
25

Otherwise Unclassified Properties

Base Metal Price, % relative 30
26
Density, g/cm3 8.8
8.3
Embodied Carbon, kg CO2/kg material 2.6
2.8
Embodied Energy, MJ/kg 41
46
Embodied Water, L/kg 300
340

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 39 to 820
90
Stiffness to Weight: Axial, points 7.3
7.3
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 8.7 to 18
13
Strength to Weight: Bending, points 11 to 17
14
Thermal Diffusivity, mm2/s 16
30
Thermal Shock Resistance, points 9.5 to 19
13

Alloy Composition

Aluminum (Al), % 0
1.8 to 2.5
Arsenic (As), % 0
0.020 to 0.1
Copper (Cu), % 94.5 to 99.2
76 to 79
Iron (Fe), % 0 to 0.8
0 to 0.060
Lead (Pb), % 0 to 0.050
0 to 0.070
Manganese (Mn), % 0 to 0.7
0
Silicon (Si), % 0.8 to 2.0
0
Zinc (Zn), % 0 to 1.5
17.8 to 22.2
Residuals, % 0
0 to 0.5