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C55280 Copper vs. C85400 Brass

Both C55280 copper and C85400 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 68% of their average alloy composition in common. There are 18 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is C55280 copper and the bottom bar is C85400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 40
40
Tensile Strength: Ultimate (UTS), MPa 180
220

Thermal Properties

Latent Heat of Fusion, J/g 190
180
Maximum Temperature: Mechanical, °C 200
130
Melting Completion (Liquidus), °C 790
940
Melting Onset (Solidus), °C 640
940
Specific Heat Capacity, J/kg-K 410
380
Thermal Expansion, µm/m-K 16
20

Otherwise Unclassified Properties

Density, g/cm3 8.5
8.3
Embodied Carbon, kg CO2/kg material 4.2
2.8
Embodied Energy, MJ/kg 67
46

Common Calculations

Stiffness to Weight: Axial, points 6.9
7.0
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 5.9
7.5
Strength to Weight: Bending, points 8.3
9.9
Thermal Shock Resistance, points 7.4
7.6

Alloy Composition

Aluminum (Al), % 0
0 to 0.35
Copper (Cu), % 90.5 to 91.4
65 to 70
Iron (Fe), % 0
0 to 0.7
Lead (Pb), % 0
1.5 to 3.8
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 6.8 to 7.2
0
Silicon (Si), % 0
0 to 0.050
Silver (Ag), % 1.8 to 2.2
0
Tin (Sn), % 0
0.5 to 1.5
Zinc (Zn), % 0
24 to 32
Residuals, % 0
0 to 1.1