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C81500 Copper vs. C43000 Brass

Both C81500 copper and C43000 brass are copper alloys. They have 86% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C81500 copper and the bottom bar is C43000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 17
3.0 to 55
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 44
42
Tensile Strength: Ultimate (UTS), MPa 350
320 to 710
Tensile Strength: Yield (Proof), MPa 280
130 to 550

Thermal Properties

Latent Heat of Fusion, J/g 210
190
Maximum Temperature: Mechanical, °C 200
170
Melting Completion (Liquidus), °C 1090
1030
Melting Onset (Solidus), °C 1080
1000
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 320
120
Thermal Expansion, µm/m-K 17
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 82
27
Electrical Conductivity: Equal Weight (Specific), % IACS 83
28

Otherwise Unclassified Properties

Base Metal Price, % relative 31
29
Density, g/cm3 8.9
8.6
Embodied Carbon, kg CO2/kg material 2.6
2.8
Embodied Energy, MJ/kg 41
46
Embodied Water, L/kg 310
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 56
20 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 330
82 to 1350
Stiffness to Weight: Axial, points 7.3
7.1
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 11
10 to 23
Strength to Weight: Bending, points 12
12 to 20
Thermal Diffusivity, mm2/s 91
36
Thermal Shock Resistance, points 12
11 to 25

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Chromium (Cr), % 0.4 to 1.5
0
Copper (Cu), % 97.4 to 99.6
84 to 87
Iron (Fe), % 0 to 0.1
0 to 0.050
Lead (Pb), % 0 to 0.020
0 to 0.1
Silicon (Si), % 0 to 0.15
0
Tin (Sn), % 0 to 0.1
1.7 to 2.7
Zinc (Zn), % 0 to 0.1
9.7 to 14.3
Residuals, % 0 to 0.5
0 to 0.5