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C69400 Brass vs. C95520 Bronze

Both C69400 brass and C95520 bronze are copper alloys. They have 78% 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 C69400 brass and the bottom bar is C95520 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 17
2.6
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 42
44
Tensile Strength: Ultimate (UTS), MPa 570
970
Tensile Strength: Yield (Proof), MPa 270
530

Thermal Properties

Latent Heat of Fusion, J/g 260
240
Maximum Temperature: Mechanical, °C 170
240
Melting Completion (Liquidus), °C 920
1070
Melting Onset (Solidus), °C 820
1020
Specific Heat Capacity, J/kg-K 410
450
Thermal Conductivity, W/m-K 26
40
Thermal Expansion, µm/m-K 18
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.2
11
Electrical Conductivity: Equal Weight (Specific), % IACS 6.7
12

Otherwise Unclassified Properties

Base Metal Price, % relative 27
29
Density, g/cm3 8.3
8.2
Embodied Carbon, kg CO2/kg material 2.7
3.6
Embodied Energy, MJ/kg 44
58
Embodied Water, L/kg 300
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
21
Resilience: Unit (Modulus of Resilience), kJ/m3 340
1210
Stiffness to Weight: Axial, points 7.4
8.0
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 19
33
Strength to Weight: Bending, points 18
27
Thermal Diffusivity, mm2/s 7.7
11
Thermal Shock Resistance, points 20
33

Alloy Composition

Aluminum (Al), % 0
10.5 to 11.5
Chromium (Cr), % 0
0 to 0.050
Cobalt (Co), % 0
0 to 0.2
Copper (Cu), % 80 to 83
74.5 to 81.3
Iron (Fe), % 0 to 0.2
4.0 to 5.5
Lead (Pb), % 0 to 0.3
0 to 0.030
Manganese (Mn), % 0
0 to 1.5
Nickel (Ni), % 0
4.2 to 6.0
Silicon (Si), % 3.5 to 4.5
0 to 0.15
Tin (Sn), % 0
0 to 0.25
Zinc (Zn), % 11.5 to 16.5
0 to 0.3
Residuals, % 0
0 to 0.5