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C66100 Bronze vs. C69430 Brass

Both C66100 bronze and C69430 brass are copper alloys. They have 86% of their average alloy composition in common. There are 27 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 C66100 bronze and the bottom bar is C69430 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 8.0 to 40
17
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 43
42
Shear Strength, MPa 280 to 460
350
Tensile Strength: Ultimate (UTS), MPa 410 to 790
570
Tensile Strength: Yield (Proof), MPa 120 to 430
280

Thermal Properties

Latent Heat of Fusion, J/g 260
260
Maximum Temperature: Mechanical, °C 200
170
Melting Completion (Liquidus), °C 1050
920
Melting Onset (Solidus), °C 1000
820
Specific Heat Capacity, J/kg-K 400
410
Thermal Conductivity, W/m-K 34
26
Thermal Expansion, µm/m-K 17
18

Otherwise Unclassified Properties

Base Metal Price, % relative 29
27
Density, g/cm3 8.7
8.3
Embodied Carbon, kg CO2/kg material 2.6
2.7
Embodied Energy, MJ/kg 42
44
Embodied Water, L/kg 300
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 53 to 120
80
Resilience: Unit (Modulus of Resilience), kJ/m3 60 to 790
340
Stiffness to Weight: Axial, points 7.4
7.4
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 13 to 25
19
Strength to Weight: Bending, points 14 to 22
18
Thermal Diffusivity, mm2/s 9.7
7.7
Thermal Shock Resistance, points 15 to 29
20

Alloy Composition

Arsenic (As), % 0
0.030 to 0.060
Copper (Cu), % 92 to 97
80 to 83
Iron (Fe), % 0 to 0.25
0 to 0.2
Lead (Pb), % 0.2 to 0.8
0 to 0.3
Manganese (Mn), % 0 to 1.5
0
Silicon (Si), % 2.8 to 3.5
3.5 to 4.5
Zinc (Zn), % 0 to 1.5
11.4 to 16.5
Residuals, % 0
0 to 0.5