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C67300 Bronze vs. C87400 Brass

Both C67300 bronze and C87400 brass are copper alloys. They have 76% 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 C67300 bronze and the bottom bar is C87400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 12
21
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 41
41
Tensile Strength: Ultimate (UTS), MPa 500
390
Tensile Strength: Yield (Proof), MPa 340
160

Thermal Properties

Latent Heat of Fusion, J/g 190
250
Maximum Temperature: Mechanical, °C 130
170
Melting Completion (Liquidus), °C 870
920
Melting Onset (Solidus), °C 830
820
Specific Heat Capacity, J/kg-K 390
400
Thermal Conductivity, W/m-K 95
28
Thermal Expansion, µm/m-K 20
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 22
6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 25
7.2

Otherwise Unclassified Properties

Base Metal Price, % relative 23
27
Density, g/cm3 8.0
8.3
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 46
44
Embodied Water, L/kg 320
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 55
65
Resilience: Unit (Modulus of Resilience), kJ/m3 550
120
Stiffness to Weight: Axial, points 7.4
7.4
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 17
13
Strength to Weight: Bending, points 17
14
Thermal Diffusivity, mm2/s 30
8.3
Thermal Shock Resistance, points 16
14

Alloy Composition

Aluminum (Al), % 0 to 0.25
0 to 0.8
Copper (Cu), % 58 to 63
79 to 85.5
Iron (Fe), % 0 to 0.5
0
Lead (Pb), % 0.4 to 3.0
0 to 1.0
Manganese (Mn), % 2.0 to 3.5
0
Nickel (Ni), % 0 to 0.25
0
Silicon (Si), % 0.5 to 1.5
2.5 to 4.0
Tin (Sn), % 0 to 0.3
0
Zinc (Zn), % 27.2 to 39.1
12 to 16
Residuals, % 0
0 to 0.8