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C69430 Brass vs. C87200 Bronze

Both C69430 brass and C87200 bronze are copper alloys. They have 87% 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 C69430 brass and the bottom bar is C87200 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 17
30
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 42
43
Tensile Strength: Ultimate (UTS), MPa 570
380
Tensile Strength: Yield (Proof), MPa 280
170

Thermal Properties

Latent Heat of Fusion, J/g 260
260
Maximum Temperature: Mechanical, °C 170
200
Melting Completion (Liquidus), °C 920
970
Melting Onset (Solidus), °C 820
860
Specific Heat Capacity, J/kg-K 410
410
Thermal Conductivity, W/m-K 26
28
Thermal Expansion, µm/m-K 18
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.2
6.0
Electrical Conductivity: Equal Weight (Specific), % IACS 6.7
6.3

Otherwise Unclassified Properties

Base Metal Price, % relative 27
29
Density, g/cm3 8.3
8.6
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 44
44
Embodied Water, L/kg 300
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
93
Resilience: Unit (Modulus of Resilience), kJ/m3 340
130
Stiffness to Weight: Axial, points 7.4
7.4
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 19
12
Strength to Weight: Bending, points 18
14
Thermal Diffusivity, mm2/s 7.7
8.0
Thermal Shock Resistance, points 20
14

Alloy Composition


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Aluminum (Al), % 0
0 to 1.5
Arsenic (As), % 0.030 to 0.060
0
Copper (Cu), % 80 to 83
89 to 99
Iron (Fe), % 0 to 0.2
0 to 2.5
Lead (Pb), % 0 to 0.3
0 to 0.5
Manganese (Mn), % 0
0 to 1.5
Phosphorus (P), % 0
0 to 0.5
Silicon (Si), % 3.5 to 4.5
1.0 to 5.0
Tin (Sn), % 0
0 to 1.0
Zinc (Zn), % 11.4 to 16.5
0 to 5.0
Residuals, % 0 to 0.5
0