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C68300 Brass vs. C95700 Bronze

Both C68300 brass and C95700 bronze are copper alloys. They have 61% of their average alloy composition in common. There are 26 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 C68300 brass and the bottom bar is C95700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
130
Elongation at Break, % 15
23
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 40
47
Tensile Strength: Ultimate (UTS), MPa 430
680
Tensile Strength: Yield (Proof), MPa 260
310

Thermal Properties

Latent Heat of Fusion, J/g 180
230
Maximum Temperature: Mechanical, °C 120
220
Melting Completion (Liquidus), °C 900
990
Melting Onset (Solidus), °C 890
950
Specific Heat Capacity, J/kg-K 390
440
Thermal Conductivity, W/m-K 120
12
Thermal Expansion, µm/m-K 20
18

Otherwise Unclassified Properties

Base Metal Price, % relative 23
26
Density, g/cm3 8.0
8.2
Embodied Carbon, kg CO2/kg material 2.8
3.3
Embodied Energy, MJ/kg 46
54
Embodied Water, L/kg 340
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 56
130
Resilience: Unit (Modulus of Resilience), kJ/m3 330
390
Stiffness to Weight: Axial, points 7.3
8.5
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 15
23
Strength to Weight: Bending, points 16
21
Thermal Diffusivity, mm2/s 38
3.3
Thermal Shock Resistance, points 14
21

Alloy Composition

Aluminum (Al), % 0
7.0 to 8.5
Antimony (Sb), % 0.3 to 1.0
0
Cadmium (Cd), % 0 to 0.010
0
Copper (Cu), % 59 to 63
71 to 78.5
Iron (Fe), % 0
2.0 to 4.0
Lead (Pb), % 0 to 0.090
0 to 0.030
Manganese (Mn), % 0
11 to 14
Nickel (Ni), % 0
1.5 to 3.0
Silicon (Si), % 0.3 to 1.0
0 to 0.1
Tin (Sn), % 0.050 to 0.2
0
Zinc (Zn), % 34.2 to 40.4
0
Residuals, % 0
0 to 0.5