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C81500 Copper vs. C43500 Brass

Both C81500 copper and C43500 brass 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 C81500 copper and the bottom bar is C43500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Chromium (Cr), % 0.4 to 1.5
0
Copper (Cu), % 97.4 to 99.6
79 to 83
Iron (Fe), % 0 to 0.1
0 to 0.050
Lead (Pb), % 0 to 0.020
0 to 0.090
Silicon (Si), % 0 to 0.15
0
Tin (Sn), % 0 to 0.1
0.6 to 1.2
Zinc (Zn), % 0 to 0.1
15.4 to 20.4
Residuals, % 0 to 0.5
0 to 0.3