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C64800 Bronze vs. C27400 Brass

Both C64800 bronze and C27400 brass are copper alloys. They have 63% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C64800 bronze and the bottom bar is C27400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 44
40
Tensile Strength: Ultimate (UTS), MPa 640
370 to 650

Thermal Properties

Latent Heat of Fusion, J/g 220
170
Maximum Temperature: Mechanical, °C 200
120
Melting Completion (Liquidus), °C 1090
920
Melting Onset (Solidus), °C 1030
870
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 260
120
Thermal Expansion, µm/m-K 17
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 65
28
Electrical Conductivity: Equal Weight (Specific), % IACS 66
31

Otherwise Unclassified Properties

Base Metal Price, % relative 33
23
Density, g/cm3 8.9
8.0
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 43
45
Embodied Water, L/kg 310
320

Common Calculations

Stiffness to Weight: Axial, points 7.4
7.2
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 20
13 to 23
Strength to Weight: Bending, points 19
14 to 21
Thermal Diffusivity, mm2/s 75
37
Thermal Shock Resistance, points 23
12 to 22

Alloy Composition

Chromium (Cr), % 0 to 0.090
0
Cobalt (Co), % 1.0 to 3.0
0
Copper (Cu), % 92.4 to 98.8
61 to 64
Iron (Fe), % 0 to 1.0
0 to 0.1
Lead (Pb), % 0 to 0.050
0 to 0.050
Nickel (Ni), % 0 to 0.5
0
Phosphorus (P), % 0 to 0.5
0
Silicon (Si), % 0.2 to 1.0
0
Tin (Sn), % 0 to 0.5
0
Zinc (Zn), % 0 to 0.5
35.6 to 39
Residuals, % 0
0 to 0.3