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C95820 Bronze vs. C47000 Brass

Both C95820 bronze and C47000 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 59% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C95820 bronze and the bottom bar is C47000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
100
Elongation at Break, % 15
36
Poisson's Ratio 0.34
0.3
Shear Modulus, GPa 44
40
Tensile Strength: Ultimate (UTS), MPa 730
380
Tensile Strength: Yield (Proof), MPa 310
150

Thermal Properties

Latent Heat of Fusion, J/g 230
170
Maximum Temperature: Mechanical, °C 230
120
Melting Completion (Liquidus), °C 1080
900
Melting Onset (Solidus), °C 1020
890
Specific Heat Capacity, J/kg-K 440
390
Thermal Conductivity, W/m-K 38
120
Thermal Expansion, µm/m-K 17
21

Otherwise Unclassified Properties

Base Metal Price, % relative 29
23
Density, g/cm3 8.3
8.0
Embodied Carbon, kg CO2/kg material 3.5
2.7
Embodied Energy, MJ/kg 56
47
Embodied Water, L/kg 380
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86
110
Resilience: Unit (Modulus of Resilience), kJ/m3 400
100
Stiffness to Weight: Axial, points 8.0
7.2
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 24
13
Strength to Weight: Bending, points 22
15
Thermal Diffusivity, mm2/s 11
38
Thermal Shock Resistance, points 25
13

Alloy Composition

Aluminum (Al), % 9.0 to 10
0 to 0.010
Copper (Cu), % 77.5 to 82.5
57 to 61
Iron (Fe), % 4.0 to 5.0
0
Lead (Pb), % 0 to 0.020
0 to 0.050
Manganese (Mn), % 0 to 1.5
0
Nickel (Ni), % 4.5 to 5.8
0
Silicon (Si), % 0 to 0.1
0
Tin (Sn), % 0 to 0.020
0.25 to 1.0
Zinc (Zn), % 0 to 0.2
37.5 to 42.8
Residuals, % 0
0 to 0.4