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C87500 Brass vs. C82500 Copper

Both C87500 brass and C82500 copper are copper alloys. They have 83% of their average alloy composition in common. There are 27 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 C82500 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 18
1.0 to 20
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 42
45
Tensile Strength: Ultimate (UTS), MPa 460
550 to 1100
Tensile Strength: Yield (Proof), MPa 190
310 to 980

Thermal Properties

Latent Heat of Fusion, J/g 260
240
Maximum Temperature: Mechanical, °C 170
280
Melting Completion (Liquidus), °C 920
980
Melting Onset (Solidus), °C 820
860
Specific Heat Capacity, J/kg-K 410
390
Thermal Conductivity, W/m-K 28
130
Thermal Expansion, µm/m-K 18
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.7
20
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
21

Otherwise Unclassified Properties

Density, g/cm3 8.3
8.8
Embodied Carbon, kg CO2/kg material 2.7
10
Embodied Energy, MJ/kg 44
160
Embodied Water, L/kg 300
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 67
11 to 94
Resilience: Unit (Modulus of Resilience), kJ/m3 160
400 to 4000
Stiffness to Weight: Axial, points 7.4
7.7
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 16
18 to 35
Strength to Weight: Bending, points 16
17 to 27
Thermal Diffusivity, mm2/s 8.3
38
Thermal Shock Resistance, points 17
19 to 38

Alloy Composition

Aluminum (Al), % 0 to 0.5
0 to 0.15
Beryllium (Be), % 0
1.9 to 2.3
Chromium (Cr), % 0
0 to 0.1
Cobalt (Co), % 0
0.15 to 0.7
Copper (Cu), % 79 to 85
95.3 to 97.8
Iron (Fe), % 0
0 to 0.25
Lead (Pb), % 0 to 0.5
0 to 0.020
Nickel (Ni), % 0
0 to 0.2
Silicon (Si), % 3.0 to 5.0
0.2 to 0.35
Tin (Sn), % 0
0 to 0.1
Titanium (Ti), % 0
0 to 0.12
Zinc (Zn), % 12 to 16
0 to 0.1
Residuals, % 0
0 to 0.5