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C82800 Copper vs. ACI-ASTM CK20 Steel

C82800 copper belongs to the copper alloys classification, while ACI-ASTM CK20 steel belongs to the iron alloys. There are 27 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 C82800 copper and the bottom bar is ACI-ASTM CK20 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 1.0 to 20
37
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 46
78
Tensile Strength: Ultimate (UTS), MPa 670 to 1140
530
Tensile Strength: Yield (Proof), MPa 380 to 1000
260

Thermal Properties

Latent Heat of Fusion, J/g 240
310
Maximum Temperature: Mechanical, °C 310
1100
Melting Completion (Liquidus), °C 930
1400
Melting Onset (Solidus), °C 890
1430
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 120
14
Thermal Expansion, µm/m-K 17
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 18
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 19
2.3

Otherwise Unclassified Properties

Density, g/cm3 8.7
7.8
Embodied Carbon, kg CO2/kg material 12
4.4
Embodied Energy, MJ/kg 190
62
Embodied Water, L/kg 310
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11 to 110
160
Resilience: Unit (Modulus of Resilience), kJ/m3 590 to 4080
170
Stiffness to Weight: Axial, points 7.8
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 21 to 36
19
Strength to Weight: Bending, points 20 to 28
19
Thermal Diffusivity, mm2/s 36
3.7
Thermal Shock Resistance, points 23 to 39
13

Alloy Composition

Aluminum (Al), % 0 to 0.15
0
Beryllium (Be), % 2.5 to 2.9
0
Carbon (C), % 0
0 to 0.2
Chromium (Cr), % 0 to 0.1
23 to 27
Cobalt (Co), % 0.15 to 0.7
0
Copper (Cu), % 94.6 to 97.2
0
Iron (Fe), % 0 to 0.25
46.7 to 58
Lead (Pb), % 0 to 0.020
0
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.2
19 to 22
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0.2 to 0.35
0 to 2.0
Sulfur (S), % 0
0 to 0.040
Tin (Sn), % 0 to 0.1
0
Titanium (Ti), % 0 to 0.12
0
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.5
0