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C82400 Copper vs. SAE-AISI A2 Steel

C82400 copper belongs to the copper alloys classification, while SAE-AISI A2 steel belongs to the iron alloys. There are 22 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C82400 copper and the bottom bar is SAE-AISI A2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 45
74
Tensile Strength: Ultimate (UTS), MPa 500 to 1030
710 to 2040

Thermal Properties

Latent Heat of Fusion, J/g 230
260
Melting Completion (Liquidus), °C 1000
1450
Melting Onset (Solidus), °C 900
1410
Specific Heat Capacity, J/kg-K 380
470
Thermal Conductivity, W/m-K 130
38
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
8.2
Electrical Conductivity: Equal Weight (Specific), % IACS 26
9.5

Otherwise Unclassified Properties

Density, g/cm3 8.8
7.8
Embodied Carbon, kg CO2/kg material 8.9
2.7
Embodied Energy, MJ/kg 140
38
Embodied Water, L/kg 310
73

Common Calculations

Stiffness to Weight: Axial, points 7.6
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 16 to 33
25 to 73
Strength to Weight: Bending, points 16 to 26
23 to 46
Thermal Diffusivity, mm2/s 39
10
Thermal Shock Resistance, points 17 to 36
25 to 71

Alloy Composition

Aluminum (Al), % 0 to 0.15
0
Beryllium (Be), % 1.6 to 1.9
0
Carbon (C), % 0
1.0 to 1.1
Chromium (Cr), % 0 to 0.1
4.8 to 5.5
Cobalt (Co), % 0.2 to 0.65
0
Copper (Cu), % 96 to 98.2
0 to 0.25
Iron (Fe), % 0 to 0.2
89.4 to 93.3
Lead (Pb), % 0 to 0.020
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
0.9 to 1.4
Nickel (Ni), % 0 to 0.2
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.1
0
Titanium (Ti), % 0 to 0.12
0
Vanadium (V), % 0
0.15 to 0.5
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.5
0