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CR020A Copper vs. C26800 Brass

Both CR020A copper and C26800 brass are copper alloys. They have 66% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is CR020A copper and the bottom bar is C26800 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 43
40
Tensile Strength: Ultimate (UTS), MPa 220
310 to 650

Thermal Properties

Latent Heat of Fusion, J/g 210
180
Maximum Temperature: Mechanical, °C 200
130
Melting Completion (Liquidus), °C 1090
930
Melting Onset (Solidus), °C 1040
900
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 380
120
Thermal Expansion, µm/m-K 17
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
27
Electrical Conductivity: Equal Weight (Specific), % IACS 100
30

Otherwise Unclassified Properties

Base Metal Price, % relative 31
24
Density, g/cm3 9.0
8.1
Embodied Carbon, kg CO2/kg material 2.6
2.7
Embodied Energy, MJ/kg 41
45
Embodied Water, L/kg 320
320

Common Calculations

Stiffness to Weight: Axial, points 7.2
7.2
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 6.8
11 to 22
Strength to Weight: Bending, points 9.0
13 to 21
Thermal Diffusivity, mm2/s 110
37
Thermal Shock Resistance, points 7.8
10 to 22

Alloy Composition


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Bismuth (Bi), % 0 to 0.00050
0
Copper (Cu), % 99.95 to 99.999
64 to 68.5
Iron (Fe), % 0
0 to 0.050
Lead (Pb), % 0 to 0.0050
0 to 0.15
Phosphorus (P), % 0.0010 to 0.0060
0
Silver (Ag), % 0 to 0.015
0
Zinc (Zn), % 0
31 to 36
Residuals, % 0
0 to 0.3