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C87500 Brass vs. C81400 Copper

Both C87500 brass and C81400 copper are copper alloys. They have 82% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is C87500 brass and the bottom bar is C81400 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 18
11
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 42
41
Tensile Strength: Ultimate (UTS), MPa 460
370
Tensile Strength: Yield (Proof), MPa 190
250

Thermal Properties

Latent Heat of Fusion, J/g 260
210
Maximum Temperature: Mechanical, °C 170
200
Melting Completion (Liquidus), °C 920
1090
Melting Onset (Solidus), °C 820
1070
Specific Heat Capacity, J/kg-K 410
390
Thermal Conductivity, W/m-K 28
260
Thermal Expansion, µm/m-K 18
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.7
60
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
61

Otherwise Unclassified Properties

Base Metal Price, % relative 27
33
Density, g/cm3 8.3
8.9
Embodied Carbon, kg CO2/kg material 2.7
2.8
Embodied Energy, MJ/kg 44
45
Embodied Water, L/kg 300
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 67
36
Resilience: Unit (Modulus of Resilience), kJ/m3 160
260
Stiffness to Weight: Axial, points 7.4
7.3
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 16
11
Strength to Weight: Bending, points 16
13
Thermal Diffusivity, mm2/s 8.3
75
Thermal Shock Resistance, points 17
13

Alloy Composition

Aluminum (Al), % 0 to 0.5
0
Beryllium (Be), % 0
0.020 to 0.1
Chromium (Cr), % 0
0.6 to 1.0
Copper (Cu), % 79 to 85
98.4 to 99.38
Lead (Pb), % 0 to 0.5
0
Silicon (Si), % 3.0 to 5.0
0
Zinc (Zn), % 12 to 16
0
Residuals, % 0
0 to 0.5