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C55180 Copper vs. C87500 Brass

Both C55180 copper and C87500 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 82% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C55180 copper and the bottom bar is C87500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 20
18
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 41
42
Tensile Strength: Ultimate (UTS), MPa 200
460
Tensile Strength: Yield (Proof), MPa 100
190

Thermal Properties

Latent Heat of Fusion, J/g 200
260
Maximum Temperature: Mechanical, °C 200
170
Melting Completion (Liquidus), °C 920
920
Melting Onset (Solidus), °C 710
820
Specific Heat Capacity, J/kg-K 400
410
Thermal Conductivity, W/m-K 200
28
Thermal Expansion, µm/m-K 17
18

Otherwise Unclassified Properties

Base Metal Price, % relative 29
27
Density, g/cm3 8.6
8.3
Embodied Carbon, kg CO2/kg material 2.5
2.7
Embodied Energy, MJ/kg 39
44
Embodied Water, L/kg 290
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 34
67
Resilience: Unit (Modulus of Resilience), kJ/m3 48
160
Stiffness to Weight: Axial, points 7.1
7.4
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 6.4
16
Strength to Weight: Bending, points 8.8
16
Thermal Diffusivity, mm2/s 56
8.3
Thermal Shock Resistance, points 7.9
17

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Copper (Cu), % 94.7 to 95.2
79 to 85
Lead (Pb), % 0
0 to 0.5
Phosphorus (P), % 4.8 to 5.2
0
Silicon (Si), % 0
3.0 to 5.0
Zinc (Zn), % 0
12 to 16
Residuals, % 0
0 to 0.5