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C68400 Brass vs. C95520 Bronze

Both C68400 brass and C95520 bronze are copper alloys. They have 64% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is C68400 brass and the bottom bar is C95520 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
280
Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 18
2.6
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 41
44
Tensile Strength: Ultimate (UTS), MPa 540
970
Tensile Strength: Yield (Proof), MPa 310
530

Thermal Properties

Latent Heat of Fusion, J/g 210
240
Maximum Temperature: Mechanical, °C 130
240
Melting Completion (Liquidus), °C 840
1070
Melting Onset (Solidus), °C 820
1020
Specific Heat Capacity, J/kg-K 400
450
Thermal Conductivity, W/m-K 66
40
Thermal Expansion, µm/m-K 20
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 87
11
Electrical Conductivity: Equal Weight (Specific), % IACS 99
12

Otherwise Unclassified Properties

Base Metal Price, % relative 23
29
Density, g/cm3 7.9
8.2
Embodied Carbon, kg CO2/kg material 2.7
3.6
Embodied Energy, MJ/kg 47
58
Embodied Water, L/kg 320
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81
21
Resilience: Unit (Modulus of Resilience), kJ/m3 460
1210
Stiffness to Weight: Axial, points 7.5
8.0
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 19
33
Strength to Weight: Bending, points 19
27
Thermal Diffusivity, mm2/s 21
11
Thermal Shock Resistance, points 18
33

Alloy Composition

Aluminum (Al), % 0 to 0.5
10.5 to 11.5
Boron (B), % 0.0010 to 0.030
0
Chromium (Cr), % 0
0 to 0.050
Cobalt (Co), % 0
0 to 0.2
Copper (Cu), % 59 to 64
74.5 to 81.3
Iron (Fe), % 0 to 1.0
4.0 to 5.5
Lead (Pb), % 0 to 0.090
0 to 0.030
Manganese (Mn), % 0.2 to 1.5
0 to 1.5
Nickel (Ni), % 0 to 0.5
4.2 to 6.0
Phosphorus (P), % 0.030 to 0.3
0
Silicon (Si), % 1.5 to 2.5
0 to 0.15
Tin (Sn), % 0 to 0.5
0 to 0.25
Zinc (Zn), % 28.6 to 39.3
0 to 0.3
Residuals, % 0
0 to 0.5