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C81500 Copper vs. C85500 Brass

Both C81500 copper and C85500 brass are copper alloys. They have 61% of their average alloy composition in common. There are 29 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 C81500 copper and the bottom bar is C85500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110
85
Elastic (Young's, Tensile) Modulus, GPa 120
100
Elongation at Break, % 17
40
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 44
40
Tensile Strength: Ultimate (UTS), MPa 350
410
Tensile Strength: Yield (Proof), MPa 280
160

Thermal Properties

Latent Heat of Fusion, J/g 210
170
Maximum Temperature: Mechanical, °C 200
120
Melting Completion (Liquidus), °C 1090
900
Melting Onset (Solidus), °C 1080
890
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 320
120
Thermal Expansion, µm/m-K 17
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 82
26
Electrical Conductivity: Equal Weight (Specific), % IACS 83
29

Otherwise Unclassified Properties

Base Metal Price, % relative 31
23
Density, g/cm3 8.9
8.0
Embodied Carbon, kg CO2/kg material 2.6
2.7
Embodied Energy, MJ/kg 41
46
Embodied Water, L/kg 310
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 56
130
Resilience: Unit (Modulus of Resilience), kJ/m3 330
120
Stiffness to Weight: Axial, points 7.3
7.3
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 11
14
Strength to Weight: Bending, points 12
15
Thermal Diffusivity, mm2/s 91
38
Thermal Shock Resistance, points 12
14

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Chromium (Cr), % 0.4 to 1.5
0
Copper (Cu), % 97.4 to 99.6
59 to 63
Iron (Fe), % 0 to 0.1
0 to 0.2
Lead (Pb), % 0 to 0.020
0 to 0.2
Manganese (Mn), % 0
0 to 0.2
Nickel (Ni), % 0
0 to 0.2
Silicon (Si), % 0 to 0.15
0
Tin (Sn), % 0 to 0.1
0 to 0.2
Zinc (Zn), % 0 to 0.1
35.1 to 41
Residuals, % 0 to 0.5
0 to 0.9