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C81500 Copper vs. C44500 Brass

Both C81500 copper and C44500 brass are copper alloys. They have 72% 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 C81500 copper and the bottom bar is C44500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 44
41
Tensile Strength: Ultimate (UTS), MPa 350
350
Tensile Strength: Yield (Proof), MPa 280
120

Thermal Properties

Latent Heat of Fusion, J/g 210
180
Maximum Temperature: Mechanical, °C 200
140
Melting Completion (Liquidus), °C 1090
940
Melting Onset (Solidus), °C 1080
900
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 320
110
Thermal Expansion, µm/m-K 17
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 82
25
Electrical Conductivity: Equal Weight (Specific), % IACS 83
27

Otherwise Unclassified Properties

Base Metal Price, % relative 31
26
Density, g/cm3 8.9
8.3
Embodied Carbon, kg CO2/kg material 2.6
2.7
Embodied Energy, MJ/kg 41
46
Embodied Water, L/kg 310
330

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 330
65
Stiffness to Weight: Axial, points 7.3
7.2
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 11
12
Strength to Weight: Bending, points 12
13
Thermal Diffusivity, mm2/s 91
35
Thermal Shock Resistance, points 12
12

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Chromium (Cr), % 0.4 to 1.5
0
Copper (Cu), % 97.4 to 99.6
70 to 73
Iron (Fe), % 0 to 0.1
0 to 0.060
Lead (Pb), % 0 to 0.020
0 to 0.070
Phosphorus (P), % 0
0.020 to 0.1
Silicon (Si), % 0 to 0.15
0
Tin (Sn), % 0 to 0.1
0.9 to 1.2
Zinc (Zn), % 0 to 0.1
25.2 to 29.1
Residuals, % 0 to 0.5
0 to 0.4