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C63020 Bronze vs. C34200 Brass

Both C63020 bronze and C34200 brass are copper alloys. They have 64% 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 C34200 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
100
Elongation at Break, % 6.8
3.0 to 17
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 44
40
Shear Strength, MPa 600
230 to 360
Tensile Strength: Ultimate (UTS), MPa 1020
370 to 650
Tensile Strength: Yield (Proof), MPa 740
150 to 420

Thermal Properties

Latent Heat of Fusion, J/g 230
170
Maximum Temperature: Mechanical, °C 230
120
Melting Completion (Liquidus), °C 1070
910
Melting Onset (Solidus), °C 1020
890
Specific Heat Capacity, J/kg-K 450
380
Thermal Conductivity, W/m-K 40
120
Thermal Expansion, µm/m-K 18
21

Otherwise Unclassified Properties

Base Metal Price, % relative 29
24
Density, g/cm3 8.2
8.2
Embodied Carbon, kg CO2/kg material 3.6
2.6
Embodied Energy, MJ/kg 58
45
Embodied Water, L/kg 390
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 63
9.0 to 98
Resilience: Unit (Modulus of Resilience), kJ/m3 2320
110 to 870
Stiffness to Weight: Axial, points 8.0
7.1
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 34
13 to 22
Strength to Weight: Bending, points 27
14 to 20
Thermal Diffusivity, mm2/s 11
37
Thermal Shock Resistance, points 35
12 to 22

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
62 to 65
Iron (Fe), % 4.0 to 5.5
0 to 0.1
Lead (Pb), % 0 to 0.030
1.5 to 2.5
Manganese (Mn), % 0 to 1.5
0
Nickel (Ni), % 4.2 to 6.0
0
Tin (Sn), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.3
32 to 36.5
Residuals, % 0 to 0.5
0 to 0.4