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C43500 Brass vs. C81500 Copper

Both C43500 brass and C81500 copper are copper alloys. They have 81% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C43500 brass and the bottom bar is C81500 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 8.5 to 46
17
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 42
44
Tensile Strength: Ultimate (UTS), MPa 320 to 530
350
Tensile Strength: Yield (Proof), MPa 120 to 480
280

Thermal Properties

Latent Heat of Fusion, J/g 190
210
Maximum Temperature: Mechanical, °C 160
200
Melting Completion (Liquidus), °C 1000
1090
Melting Onset (Solidus), °C 970
1080
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 120
320
Thermal Expansion, µm/m-K 19
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
82
Electrical Conductivity: Equal Weight (Specific), % IACS 30
83

Otherwise Unclassified Properties

Base Metal Price, % relative 28
31
Density, g/cm3 8.5
8.9
Embodied Carbon, kg CO2/kg material 2.7
2.6
Embodied Energy, MJ/kg 45
41
Embodied Water, L/kg 320
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 44 to 120
56
Resilience: Unit (Modulus of Resilience), kJ/m3 65 to 1040
330
Stiffness to Weight: Axial, points 7.2
7.3
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 10 to 17
11
Strength to Weight: Bending, points 12 to 17
12
Thermal Diffusivity, mm2/s 37
91
Thermal Shock Resistance, points 11 to 18
12

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Chromium (Cr), % 0
0.4 to 1.5
Copper (Cu), % 79 to 83
97.4 to 99.6
Iron (Fe), % 0 to 0.050
0 to 0.1
Lead (Pb), % 0 to 0.090
0 to 0.020
Silicon (Si), % 0
0 to 0.15
Tin (Sn), % 0.6 to 1.2
0 to 0.1
Zinc (Zn), % 15.4 to 20.4
0 to 0.1
Residuals, % 0
0 to 0.5