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C63020 Bronze vs. C43000 Brass

Both C63020 bronze and C43000 brass are copper alloys. They have 79% of their average alloy composition in common. There are 27 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 C63020 bronze and the bottom bar is C43000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 6.8
3.0 to 55
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 44
42
Shear Strength, MPa 600
230 to 410
Tensile Strength: Ultimate (UTS), MPa 1020
320 to 710
Tensile Strength: Yield (Proof), MPa 740
130 to 550

Thermal Properties

Latent Heat of Fusion, J/g 230
190
Maximum Temperature: Mechanical, °C 230
170
Melting Completion (Liquidus), °C 1070
1030
Melting Onset (Solidus), °C 1020
1000
Specific Heat Capacity, J/kg-K 450
380
Thermal Conductivity, W/m-K 40
120
Thermal Expansion, µm/m-K 18
18

Otherwise Unclassified Properties

Base Metal Price, % relative 29
29
Density, g/cm3 8.2
8.6
Embodied Carbon, kg CO2/kg material 3.6
2.8
Embodied Energy, MJ/kg 58
46
Embodied Water, L/kg 390
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 63
20 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 2320
82 to 1350
Stiffness to Weight: Axial, points 8.0
7.1
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 34
10 to 23
Strength to Weight: Bending, points 27
12 to 20
Thermal Diffusivity, mm2/s 11
36
Thermal Shock Resistance, points 35
11 to 25

Alloy Composition


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Aluminum (Al), % 10 to 11
0
Chromium (Cr), % 0 to 0.050
0
Cobalt (Co), % 0 to 0.2
0
Copper (Cu), % 74.7 to 81.8
84 to 87
Iron (Fe), % 4.0 to 5.5
0 to 0.050
Lead (Pb), % 0 to 0.030
0 to 0.1
Manganese (Mn), % 0 to 1.5
0
Nickel (Ni), % 4.2 to 6.0
0
Tin (Sn), % 0 to 0.25
1.7 to 2.7
Zinc (Zn), % 0 to 0.3
9.7 to 14.3
Residuals, % 0 to 0.5
0 to 0.5