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C64200 Bronze vs. C87400 Brass

Both C64200 bronze and C87400 brass are copper alloys. They have 85% of their average alloy composition in common. There are 28 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 C64200 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, % 14 to 35
21
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 42
41
Tensile Strength: Ultimate (UTS), MPa 540 to 640
390
Tensile Strength: Yield (Proof), MPa 230 to 320
160

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 210
170
Melting Completion (Liquidus), °C 1000
920
Melting Onset (Solidus), °C 980
820
Specific Heat Capacity, J/kg-K 430
400
Thermal Conductivity, W/m-K 45
28
Thermal Expansion, µm/m-K 18
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
7.2

Otherwise Unclassified Properties

Base Metal Price, % relative 29
27
Density, g/cm3 8.3
8.3
Embodied Carbon, kg CO2/kg material 3.0
2.7
Embodied Energy, MJ/kg 50
44
Embodied Water, L/kg 370
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 73 to 170
65
Resilience: Unit (Modulus of Resilience), kJ/m3 240 to 470
120
Stiffness to Weight: Axial, points 7.5
7.4
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 18 to 21
13
Strength to Weight: Bending, points 18 to 20
14
Thermal Diffusivity, mm2/s 13
8.3
Thermal Shock Resistance, points 20 to 23
14

Alloy Composition

Aluminum (Al), % 6.3 to 7.6
0 to 0.8
Arsenic (As), % 0 to 0.15
0
Copper (Cu), % 88.2 to 92.2
79 to 85.5
Iron (Fe), % 0 to 0.3
0
Lead (Pb), % 0 to 0.050
0 to 1.0
Manganese (Mn), % 0 to 0.1
0
Nickel (Ni), % 0 to 0.25
0
Silicon (Si), % 1.5 to 2.2
2.5 to 4.0
Tin (Sn), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.5
12 to 16
Residuals, % 0
0 to 0.8