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C69400 Brass vs. C66100 Bronze

Both C69400 brass and C66100 bronze 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 C69400 brass and the bottom bar is C66100 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 17
8.0 to 40
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 42
43
Shear Strength, MPa 350
280 to 460
Tensile Strength: Ultimate (UTS), MPa 570
410 to 790
Tensile Strength: Yield (Proof), MPa 270
120 to 430

Thermal Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition


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Copper (Cu), % 80 to 83
92 to 97
Iron (Fe), % 0 to 0.2
0 to 0.25
Lead (Pb), % 0 to 0.3
0.2 to 0.8
Manganese (Mn), % 0
0 to 1.5
Silicon (Si), % 3.5 to 4.5
2.8 to 3.5
Zinc (Zn), % 11.5 to 16.5
0 to 1.5
Residuals, % 0 to 0.5
0 to 0.5