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C32000 Brass vs. C95700 Bronze

Both C32000 brass and C95700 bronze are copper alloys. They have 75% 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 C32000 brass and the bottom bar is C95700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
130
Elongation at Break, % 6.8 to 29
23
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 41
47
Tensile Strength: Ultimate (UTS), MPa 270 to 470
680
Tensile Strength: Yield (Proof), MPa 78 to 390
310

Thermal Properties

Latent Heat of Fusion, J/g 190
230
Maximum Temperature: Mechanical, °C 170
220
Melting Completion (Liquidus), °C 1020
990
Melting Onset (Solidus), °C 990
950
Specific Heat Capacity, J/kg-K 380
440
Thermal Conductivity, W/m-K 160
12
Thermal Expansion, µm/m-K 19
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 37
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 28
26
Density, g/cm3 8.7
8.2
Embodied Carbon, kg CO2/kg material 2.6
3.3
Embodied Energy, MJ/kg 42
54
Embodied Water, L/kg 310
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30 to 59
130
Resilience: Unit (Modulus of Resilience), kJ/m3 28 to 680
390
Stiffness to Weight: Axial, points 7.1
8.5
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 8.8 to 15
23
Strength to Weight: Bending, points 11 to 16
21
Thermal Diffusivity, mm2/s 47
3.3
Thermal Shock Resistance, points 9.5 to 16
21

Alloy Composition


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Aluminum (Al), % 0
7.0 to 8.5
Copper (Cu), % 83.5 to 86.5
71 to 78.5
Iron (Fe), % 0 to 0.1
2.0 to 4.0
Lead (Pb), % 1.5 to 2.2
0 to 0.030
Manganese (Mn), % 0
11 to 14
Nickel (Ni), % 0 to 0.25
1.5 to 3.0
Silicon (Si), % 0
0 to 0.1
Zinc (Zn), % 10.6 to 15
0
Residuals, % 0 to 0.4
0 to 0.5