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C18100 Copper vs. ACI-ASTM CD3MWCuN Steel

C18100 copper belongs to the copper alloys classification, while ACI-ASTM CD3MWCuN 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 C18100 copper and the bottom bar is ACI-ASTM CD3MWCuN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 8.3
29
Poisson's Ratio 0.34
0.27
Shear Modulus, GPa 47
80
Tensile Strength: Ultimate (UTS), MPa 510
790
Tensile Strength: Yield (Proof), MPa 460
500

Thermal Properties

Latent Heat of Fusion, J/g 210
300
Maximum Temperature: Mechanical, °C 200
1100
Melting Completion (Liquidus), °C 1080
1460
Melting Onset (Solidus), °C 1020
1410
Specific Heat Capacity, J/kg-K 390
470
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
22
Density, g/cm3 8.9
7.9
Embodied Carbon, kg CO2/kg material 2.7
4.2
Embodied Energy, MJ/kg 43
58
Embodied Water, L/kg 310
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 40
200
Resilience: Unit (Modulus of Resilience), kJ/m3 900
620
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 16
28
Strength to Weight: Bending, points 16
24
Thermal Diffusivity, mm2/s 94
4.2
Thermal Shock Resistance, points 18
22

Alloy Composition

Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0.4 to 1.2
24 to 26
Copper (Cu), % 98.7 to 99.49
0.5 to 1.0
Iron (Fe), % 0
56.6 to 65.3
Magnesium (Mg), % 0.030 to 0.060
0
Manganese (Mn), % 0
0 to 1.5
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 0
6.5 to 8.5
Nitrogen (N), % 0
0.2 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.025
Tungsten (W), % 0
0.5 to 1.0
Zirconium (Zr), % 0.080 to 0.2
0
Residuals, % 0 to 0.5
0