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C81500 Copper vs. C26000 Brass

Both C81500 copper and C26000 brass are copper alloys. They have 70% 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 C26000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 17
2.5 to 66
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 44
41
Tensile Strength: Ultimate (UTS), MPa 350
320 to 680
Tensile Strength: Yield (Proof), MPa 280
110 to 570

Thermal Properties

Latent Heat of Fusion, J/g 210
180
Maximum Temperature: Mechanical, °C 200
140
Melting Completion (Liquidus), °C 1090
950
Melting Onset (Solidus), °C 1080
920
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 320
120
Thermal Expansion, µm/m-K 17
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 82
28
Electrical Conductivity: Equal Weight (Specific), % IACS 83
31

Otherwise Unclassified Properties

Base Metal Price, % relative 31
25
Density, g/cm3 8.9
8.2
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
6.1 to 420
Resilience: Unit (Modulus of Resilience), kJ/m3 330
51 to 1490
Stiffness to Weight: Axial, points 7.3
7.2
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 11
11 to 23
Strength to Weight: Bending, points 12
13 to 21
Thermal Diffusivity, mm2/s 91
38
Thermal Shock Resistance, points 12
11 to 23

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Bismuth (Bi), % 0
0 to 0.0059
Chromium (Cr), % 0.4 to 1.5
0
Copper (Cu), % 97.4 to 99.6
68.5 to 71.5
Iron (Fe), % 0 to 0.1
0 to 0.050
Lead (Pb), % 0 to 0.020
0 to 0.070
Silicon (Si), % 0 to 0.15
0
Tin (Sn), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.1
28.1 to 31.5
Residuals, % 0 to 0.5
0 to 0.3