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C63020 Bronze vs. C99750 Brass

Both C63020 bronze and C99750 brass are copper alloys. They have 64% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C63020 bronze and the bottom bar is C99750 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
130
Elongation at Break, % 6.8
20 to 30
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 44
48
Tensile Strength: Ultimate (UTS), MPa 1020
450 to 520
Tensile Strength: Yield (Proof), MPa 740
220 to 280

Thermal Properties

Latent Heat of Fusion, J/g 230
200
Maximum Temperature: Mechanical, °C 230
160
Melting Completion (Liquidus), °C 1070
840
Melting Onset (Solidus), °C 1020
820
Specific Heat Capacity, J/kg-K 450
410
Thermal Expansion, µm/m-K 18
20

Otherwise Unclassified Properties

Base Metal Price, % relative 29
23
Density, g/cm3 8.2
8.1
Embodied Carbon, kg CO2/kg material 3.6
3.1
Embodied Energy, MJ/kg 58
51
Embodied Water, L/kg 390
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 63
87 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 2320
190 to 300
Stiffness to Weight: Axial, points 8.0
8.6
Stiffness to Weight: Bending, points 20
21
Strength to Weight: Axial, points 34
15 to 18
Strength to Weight: Bending, points 27
16 to 18
Thermal Shock Resistance, points 35
13 to 15

Alloy Composition


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Aluminum (Al), % 10 to 11
0.25 to 3.0
Chromium (Cr), % 0 to 0.050
0
Cobalt (Co), % 0 to 0.2
0
Copper (Cu), % 74.7 to 81.8
55 to 61
Iron (Fe), % 4.0 to 5.5
0 to 1.0
Lead (Pb), % 0 to 0.030
0.5 to 2.5
Manganese (Mn), % 0 to 1.5
17 to 23
Nickel (Ni), % 4.2 to 6.0
0 to 5.0
Tin (Sn), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.3
17 to 23
Residuals, % 0 to 0.5
0 to 0.3