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C55284 Copper vs. C42500 Brass

Both C55284 copper and C42500 brass are copper alloys. They have 80% of their average alloy composition in common. There are 18 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is C55284 copper and the bottom bar is C42500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 38
42
Tensile Strength: Ultimate (UTS), MPa 180
310 to 630

Thermal Properties

Latent Heat of Fusion, J/g 180
200
Maximum Temperature: Mechanical, °C 200
180
Melting Completion (Liquidus), °C 800
1030
Melting Onset (Solidus), °C 640
1010
Specific Heat Capacity, J/kg-K 380
380
Thermal Expansion, µm/m-K 17
18

Otherwise Unclassified Properties

Density, g/cm3 8.9
8.7
Embodied Carbon, kg CO2/kg material 16
2.8
Embodied Energy, MJ/kg 260
46

Common Calculations

Stiffness to Weight: Axial, points 6.5
7.1
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 5.6
9.9 to 20
Strength to Weight: Bending, points 8.0
12 to 19
Thermal Shock Resistance, points 7.4
11 to 22

Alloy Composition


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Copper (Cu), % 79.2 to 80.7
87 to 90
Iron (Fe), % 0
0 to 0.050
Lead (Pb), % 0
0 to 0.050
Phosphorus (P), % 4.8 to 5.2
0 to 0.35
Silver (Ag), % 14.5 to 15.5
0
Tin (Sn), % 0
1.5 to 3.0
Zinc (Zn), % 0
6.1 to 11.5
Residuals, % 0 to 0.15
0 to 0.5