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C55284 Copper vs. C84800 Brass

Both C55284 copper and C84800 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 77% of their average alloy composition in common. There are 18 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is C55284 copper and the bottom bar is C84800 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
100
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 38
39
Tensile Strength: Ultimate (UTS), MPa 180
230

Thermal Properties

Latent Heat of Fusion, J/g 180
180
Maximum Temperature: Mechanical, °C 200
150
Melting Completion (Liquidus), °C 800
950
Melting Onset (Solidus), °C 640
830
Specific Heat Capacity, J/kg-K 380
370
Thermal Expansion, µm/m-K 17
19

Otherwise Unclassified Properties

Density, g/cm3 8.9
8.6
Embodied Carbon, kg CO2/kg material 16
2.8
Embodied Energy, MJ/kg 260
46

Common Calculations

Stiffness to Weight: Axial, points 6.5
6.6
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 5.6
7.3
Strength to Weight: Bending, points 8.0
9.6
Thermal Shock Resistance, points 7.4
8.2

Alloy Composition


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Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Copper (Cu), % 79.2 to 80.7
75 to 77
Iron (Fe), % 0
0 to 0.4
Lead (Pb), % 0
5.5 to 7.0
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 4.8 to 5.2
0 to 1.5
Silicon (Si), % 0
0 to 0.0050
Silver (Ag), % 14.5 to 15.5
0
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0
2.0 to 3.0
Zinc (Zn), % 0
13 to 17
Residuals, % 0 to 0.15
0 to 0.7