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C12000 Copper vs. C68100 Brass

Both C12000 copper and C68100 brass are copper alloys. They have 58% 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 C12000 copper and the bottom bar is C68100 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
100
Elongation at Break, % 2.8 to 50
29
Poisson's Ratio 0.34
0.3
Shear Modulus, GPa 43
40
Tensile Strength: Ultimate (UTS), MPa 230 to 410
380
Tensile Strength: Yield (Proof), MPa 77 to 400
140

Thermal Properties

Latent Heat of Fusion, J/g 210
170
Maximum Temperature: Mechanical, °C 200
120
Melting Completion (Liquidus), °C 1080
890
Melting Onset (Solidus), °C 1080
870
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 390
98
Thermal Expansion, µm/m-K 17
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 98
24
Electrical Conductivity: Equal Weight (Specific), % IACS 98
27

Otherwise Unclassified Properties

Base Metal Price, % relative 31
23
Density, g/cm3 9.0
7.9
Embodied Carbon, kg CO2/kg material 2.6
2.8
Embodied Energy, MJ/kg 41
47
Embodied Water, L/kg 310
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 10 to 91
86
Resilience: Unit (Modulus of Resilience), kJ/m3 25 to 690
94
Stiffness to Weight: Axial, points 7.2
7.3
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 7.2 to 13
13
Strength to Weight: Bending, points 9.4 to 14
15
Thermal Diffusivity, mm2/s 110
32
Thermal Shock Resistance, points 8.2 to 15
13

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Copper (Cu), % 99.9 to 99.996
56 to 60
Iron (Fe), % 0
0.25 to 1.3
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0
0.010 to 0.5
Phosphorus (P), % 0.0040 to 0.012
0
Silicon (Si), % 0
0.040 to 0.15
Tin (Sn), % 0
0.75 to 1.1
Zinc (Zn), % 0
36.4 to 43
Residuals, % 0
0 to 0.5