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C85700 Brass vs. C55180 Copper

Both C85700 brass and C55180 copper are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 61% 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 C85700 brass and the bottom bar is C55180 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 17
20
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 40
41
Tensile Strength: Ultimate (UTS), MPa 310
200
Tensile Strength: Yield (Proof), MPa 110
100

Thermal Properties

Latent Heat of Fusion, J/g 170
200
Maximum Temperature: Mechanical, °C 120
200
Melting Completion (Liquidus), °C 940
920
Melting Onset (Solidus), °C 910
710
Specific Heat Capacity, J/kg-K 380
400
Thermal Conductivity, W/m-K 84
200
Thermal Expansion, µm/m-K 21
17

Otherwise Unclassified Properties

Base Metal Price, % relative 24
29
Density, g/cm3 8.0
8.6
Embodied Carbon, kg CO2/kg material 2.8
2.5
Embodied Energy, MJ/kg 47
39
Embodied Water, L/kg 330
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 41
34
Resilience: Unit (Modulus of Resilience), kJ/m3 59
48
Stiffness to Weight: Axial, points 7.2
7.1
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 11
6.4
Strength to Weight: Bending, points 13
8.8
Thermal Diffusivity, mm2/s 27
56
Thermal Shock Resistance, points 10
7.9

Alloy Composition

Aluminum (Al), % 0 to 0.8
0
Copper (Cu), % 58 to 64
94.7 to 95.2
Iron (Fe), % 0 to 0.7
0
Lead (Pb), % 0.8 to 1.5
0
Nickel (Ni), % 0 to 1.0
0
Phosphorus (P), % 0
4.8 to 5.2
Silicon (Si), % 0 to 0.050
0
Tin (Sn), % 0.5 to 1.5
0
Zinc (Zn), % 32 to 40
0
Residuals, % 0
0 to 0.15