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C68400 Brass vs. C55284 Copper

Both C68400 brass and C55284 copper are copper alloys. They have 62% of their average alloy composition in common. There are 18 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is C68400 brass and the bottom bar is C55284 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 41
38
Tensile Strength: Ultimate (UTS), MPa 540
180

Thermal Properties

Latent Heat of Fusion, J/g 210
180
Maximum Temperature: Mechanical, °C 130
200
Melting Completion (Liquidus), °C 840
800
Melting Onset (Solidus), °C 820
640
Specific Heat Capacity, J/kg-K 400
380
Thermal Expansion, µm/m-K 20
17

Otherwise Unclassified Properties

Density, g/cm3 7.9
8.9
Embodied Carbon, kg CO2/kg material 2.7
16
Embodied Energy, MJ/kg 47
260

Common Calculations

Stiffness to Weight: Axial, points 7.5
6.5
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 19
5.6
Strength to Weight: Bending, points 19
8.0
Thermal Shock Resistance, points 18
7.4

Alloy Composition

Aluminum (Al), % 0 to 0.5
0
Boron (B), % 0.0010 to 0.030
0
Copper (Cu), % 59 to 64
79.2 to 80.7
Iron (Fe), % 0 to 1.0
0
Lead (Pb), % 0 to 0.090
0
Manganese (Mn), % 0.2 to 1.5
0
Nickel (Ni), % 0 to 0.5
0
Phosphorus (P), % 0.030 to 0.3
4.8 to 5.2
Silicon (Si), % 1.5 to 2.5
0
Silver (Ag), % 0
14.5 to 15.5
Tin (Sn), % 0 to 0.5
0
Zinc (Zn), % 28.6 to 39.3
0
Residuals, % 0 to 0.5
0 to 0.15