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C81500 Copper vs. C43400 Brass

Both C81500 copper and C43400 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 C43400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 17
3.0 to 49
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 44
42
Tensile Strength: Ultimate (UTS), MPa 350
310 to 690
Tensile Strength: Yield (Proof), MPa 280
110 to 560

Thermal Properties

Latent Heat of Fusion, J/g 210
190
Maximum Temperature: Mechanical, °C 200
170
Melting Completion (Liquidus), °C 1090
1020
Melting Onset (Solidus), °C 1080
990
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 320
140
Thermal Expansion, µm/m-K 17
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 82
31
Electrical Conductivity: Equal Weight (Specific), % IACS 83
32

Otherwise Unclassified Properties

Base Metal Price, % relative 31
28
Density, g/cm3 8.9
8.6
Embodied Carbon, kg CO2/kg material 2.6
2.7
Embodied Energy, MJ/kg 41
44
Embodied Water, L/kg 310
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 56
19 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 330
57 to 1420
Stiffness to Weight: Axial, points 7.3
7.2
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 11
10 to 22
Strength to Weight: Bending, points 12
12 to 20
Thermal Diffusivity, mm2/s 91
41
Thermal Shock Resistance, points 12
11 to 24

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 0.050
Silicon (Si), % 0 to 0.15
0
Tin (Sn), % 0 to 0.1
0.4 to 1.0
Zinc (Zn), % 0 to 0.1
11.4 to 15.6
Residuals, % 0 to 0.5
0 to 0.5