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C87600 Bronze vs. C68700 Brass

Both C87600 bronze and C68700 brass are copper alloys. They have 83% of their average alloy composition in common. There are 26 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 C87600 bronze and the bottom bar is C68700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 42
41
Tensile Strength: Ultimate (UTS), MPa 470
390
Tensile Strength: Yield (Proof), MPa 230
140

Thermal Properties

Latent Heat of Fusion, J/g 280
190
Maximum Temperature: Mechanical, °C 190
160
Melting Completion (Liquidus), °C 970
970
Melting Onset (Solidus), °C 860
930
Specific Heat Capacity, J/kg-K 410
400
Thermal Conductivity, W/m-K 28
100
Thermal Expansion, µm/m-K 17
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.0
23
Electrical Conductivity: Equal Weight (Specific), % IACS 6.4
25

Otherwise Unclassified Properties

Base Metal Price, % relative 29
26
Density, g/cm3 8.5
8.3
Embodied Carbon, kg CO2/kg material 2.7
2.8
Embodied Energy, MJ/kg 43
46
Embodied Water, L/kg 300
340

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 240
90
Stiffness to Weight: Axial, points 7.4
7.3
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 16
13
Strength to Weight: Bending, points 16
14
Thermal Diffusivity, mm2/s 8.1
30
Thermal Shock Resistance, points 17
13

Alloy Composition

Aluminum (Al), % 0
1.8 to 2.5
Arsenic (As), % 0
0.020 to 0.1
Copper (Cu), % 88 to 92.5
76 to 79
Iron (Fe), % 0
0 to 0.060
Lead (Pb), % 0 to 0.5
0 to 0.070
Silicon (Si), % 3.5 to 5.5
0
Zinc (Zn), % 4.0 to 7.0
17.8 to 22.2
Residuals, % 0
0 to 0.5