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C52400 Bronze vs. C68700 Brass

Both C52400 bronze and C68700 brass are copper alloys. They have 78% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C52400 bronze and the bottom bar is C68700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 41
41
Tensile Strength: Ultimate (UTS), MPa 450 to 880
390

Thermal Properties

Latent Heat of Fusion, J/g 190
190
Maximum Temperature: Mechanical, °C 170
160
Melting Completion (Liquidus), °C 1000
970
Melting Onset (Solidus), °C 840
930
Specific Heat Capacity, J/kg-K 370
400
Thermal Conductivity, W/m-K 50
100
Thermal Expansion, µm/m-K 18
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
23
Electrical Conductivity: Equal Weight (Specific), % IACS 11
25

Otherwise Unclassified Properties

Base Metal Price, % relative 35
26
Density, g/cm3 8.8
8.3
Embodied Carbon, kg CO2/kg material 3.6
2.8
Embodied Energy, MJ/kg 58
46
Embodied Water, L/kg 390
340

Common Calculations

Stiffness to Weight: Axial, points 6.9
7.3
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 14 to 28
13
Strength to Weight: Bending, points 15 to 23
14
Thermal Diffusivity, mm2/s 15
30
Thermal Shock Resistance, points 17 to 32
13

Alloy Composition

Aluminum (Al), % 0
1.8 to 2.5
Arsenic (As), % 0
0.020 to 0.1
Copper (Cu), % 87.8 to 91
76 to 79
Iron (Fe), % 0 to 0.1
0 to 0.060
Lead (Pb), % 0 to 0.050
0 to 0.070
Phosphorus (P), % 0.030 to 0.35
0
Tin (Sn), % 9.0 to 11
0
Zinc (Zn), % 0 to 0.2
17.8 to 22.2
Residuals, % 0
0 to 0.5