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C68400 Brass vs. C52400 Bronze

Both C68400 brass and C52400 bronze are copper alloys. They have 62% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is C68400 brass and the bottom bar is C52400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 41
41
Tensile Strength: Ultimate (UTS), MPa 540
450 to 880

Thermal Properties

Latent Heat of Fusion, J/g 210
190
Maximum Temperature: Mechanical, °C 130
170
Melting Completion (Liquidus), °C 840
1000
Melting Onset (Solidus), °C 820
840
Specific Heat Capacity, J/kg-K 400
370
Thermal Conductivity, W/m-K 66
50
Thermal Expansion, µm/m-K 20
18

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 23
35
Density, g/cm3 7.9
8.8
Embodied Carbon, kg CO2/kg material 2.7
3.6
Embodied Energy, MJ/kg 47
58
Embodied Water, L/kg 320
390

Common Calculations

Stiffness to Weight: Axial, points 7.5
6.9
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 19
14 to 28
Strength to Weight: Bending, points 19
15 to 23
Thermal Diffusivity, mm2/s 21
15
Thermal Shock Resistance, points 18
17 to 32

Alloy Composition


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Aluminum (Al), % 0 to 0.5
0
Boron (B), % 0.0010 to 0.030
0
Copper (Cu), % 59 to 64
87.8 to 91
Iron (Fe), % 0 to 1.0
0 to 0.1
Lead (Pb), % 0 to 0.090
0 to 0.050
Manganese (Mn), % 0.2 to 1.5
0
Nickel (Ni), % 0 to 0.5
0
Phosphorus (P), % 0.030 to 0.3
0.030 to 0.35
Silicon (Si), % 1.5 to 2.5
0
Tin (Sn), % 0 to 0.5
9.0 to 11
Zinc (Zn), % 28.6 to 39.3
0 to 0.2
Residuals, % 0 to 0.5
0 to 0.5