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C18400 Copper vs. ACI-ASTM CE8MN Steel

C18400 copper belongs to the copper alloys classification, while ACI-ASTM CE8MN steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C18400 copper and the bottom bar is ACI-ASTM CE8MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 13 to 50
29
Poisson's Ratio 0.34
0.27
Shear Modulus, GPa 44
80
Tensile Strength: Ultimate (UTS), MPa 270 to 490
750
Tensile Strength: Yield (Proof), MPa 110 to 480
500

Thermal Properties

Latent Heat of Fusion, J/g 210
300
Maximum Temperature: Mechanical, °C 200
1100
Melting Completion (Liquidus), °C 1080
1440
Melting Onset (Solidus), °C 1070
1400
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 320
16
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 80
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 81
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 31
21
Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 2.6
4.2
Embodied Energy, MJ/kg 41
58
Embodied Water, L/kg 310
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 63 to 120
190
Resilience: Unit (Modulus of Resilience), kJ/m3 54 to 980
620
Stiffness to Weight: Axial, points 7.3
15
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 8.5 to 15
27
Strength to Weight: Bending, points 10 to 16
23
Thermal Diffusivity, mm2/s 94
4.2
Thermal Shock Resistance, points 9.6 to 17
21

Alloy Composition

Arsenic (As), % 0 to 0.0050
0
Calcium (Ca), % 0 to 0.0050
0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0.4 to 1.2
22.5 to 25.5
Copper (Cu), % 97.2 to 99.6
0
Iron (Fe), % 0 to 0.15
56 to 66.4
Lithium (Li), % 0 to 0.050
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
3.0 to 4.5
Nickel (Ni), % 0
8.0 to 11
Nitrogen (N), % 0
0.1 to 0.3
Phosphorus (P), % 0 to 0.050
0 to 0.040
Silicon (Si), % 0 to 0.1
0 to 1.5
Sulfur (S), % 0
0 to 0.040
Zinc (Zn), % 0 to 0.7
0
Residuals, % 0 to 0.5
0