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C18600 Copper vs. C84500 Brass

Both C18600 copper and C84500 brass are copper alloys. They have 79% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C18600 copper and the bottom bar is C84500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
100
Elongation at Break, % 8.0 to 11
28
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 44
39
Tensile Strength: Ultimate (UTS), MPa 520 to 580
240
Tensile Strength: Yield (Proof), MPa 500 to 520
97

Thermal Properties

Latent Heat of Fusion, J/g 210
180
Maximum Temperature: Mechanical, °C 200
150
Melting Completion (Liquidus), °C 1090
980
Melting Onset (Solidus), °C 1070
840
Specific Heat Capacity, J/kg-K 390
360
Thermal Conductivity, W/m-K 280
72
Thermal Expansion, µm/m-K 17
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 70
16
Electrical Conductivity: Equal Weight (Specific), % IACS 71
17

Otherwise Unclassified Properties

Base Metal Price, % relative 31
28
Density, g/cm3 8.9
8.7
Embodied Carbon, kg CO2/kg material 2.9
2.9
Embodied Energy, MJ/kg 46
47
Embodied Water, L/kg 310
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 44 to 58
54
Resilience: Unit (Modulus of Resilience), kJ/m3 1060 to 1180
45
Stiffness to Weight: Axial, points 7.3
6.6
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 16 to 18
7.7
Strength to Weight: Bending, points 16 to 17
9.8
Thermal Diffusivity, mm2/s 81
23
Thermal Shock Resistance, points 19 to 20
8.6

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Chromium (Cr), % 0.1 to 1.0
0
Cobalt (Co), % 0 to 0.1
0
Copper (Cu), % 96.5 to 99.55
77 to 79
Iron (Fe), % 0.25 to 0.8
0 to 0.4
Lead (Pb), % 0
6.0 to 7.5
Nickel (Ni), % 0 to 0.25
0 to 1.0
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0
2.0 to 4.0
Titanium (Ti), % 0.050 to 0.5
0
Zinc (Zn), % 0
10 to 14
Zirconium (Zr), % 0.050 to 0.4
0
Residuals, % 0
0 to 0.7