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SAE-AISI A4 Steel vs. C82400 Copper

SAE-AISI A4 steel belongs to the iron alloys classification, while C82400 copper belongs to the copper 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 SAE-AISI A4 steel and the bottom bar is C82400 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
45
Tensile Strength: Ultimate (UTS), MPa 710 to 2050
500 to 1030

Thermal Properties

Latent Heat of Fusion, J/g 250
230
Melting Completion (Liquidus), °C 1450
1000
Melting Onset (Solidus), °C 1410
900
Specific Heat Capacity, J/kg-K 470
380
Thermal Conductivity, W/m-K 40
130
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
25
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
26

Otherwise Unclassified Properties

Density, g/cm3 7.8
8.8
Embodied Carbon, kg CO2/kg material 1.8
8.9
Embodied Energy, MJ/kg 24
140
Embodied Water, L/kg 59
310

Common Calculations

Stiffness to Weight: Axial, points 13
7.6
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 25 to 73
16 to 33
Strength to Weight: Bending, points 23 to 46
16 to 26
Thermal Diffusivity, mm2/s 11
39
Thermal Shock Resistance, points 23 to 67
17 to 36

Alloy Composition

Aluminum (Al), % 0
0 to 0.15
Beryllium (Be), % 0
1.6 to 1.9
Carbon (C), % 1.0 to 1.1
0
Chromium (Cr), % 0.9 to 2.2
0 to 0.1
Cobalt (Co), % 0
0.2 to 0.65
Copper (Cu), % 0 to 0.25
96 to 98.2
Iron (Fe), % 92 to 95.5
0 to 0.2
Lead (Pb), % 0
0 to 0.020
Manganese (Mn), % 1.8 to 2.2
0
Molybdenum (Mo), % 0.9 to 1.4
0
Nickel (Ni), % 0 to 0.3
0 to 0.2
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.1
Titanium (Ti), % 0
0 to 0.12
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.5