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SAE-AISI A4 Steel vs. C15900 Copper

SAE-AISI A4 steel belongs to the iron alloys classification, while C15900 copper belongs to the copper alloys. There are 23 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI A4 steel and the bottom bar is C15900 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 73
43
Tensile Strength: Ultimate (UTS), MPa 710 to 2050
720

Thermal Properties

Latent Heat of Fusion, J/g 250
210
Melting Completion (Liquidus), °C 1450
1080
Melting Onset (Solidus), °C 1410
1030
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 40
280
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
48
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
49

Otherwise Unclassified Properties

Base Metal Price, % relative 3.9
30
Density, g/cm3 7.8
8.8
Embodied Carbon, kg CO2/kg material 1.8
2.8
Embodied Energy, MJ/kg 24
45
Embodied Water, L/kg 59
310

Common Calculations

Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 25 to 73
23
Strength to Weight: Bending, points 23 to 46
20
Thermal Diffusivity, mm2/s 11
80
Thermal Shock Resistance, points 23 to 67
26

Alloy Composition

Aluminum (Al), % 0
0.76 to 0.84
Carbon (C), % 1.0 to 1.1
0.27 to 0.33
Chromium (Cr), % 0.9 to 2.2
0
Copper (Cu), % 0 to 0.25
97.5 to 97.9
Iron (Fe), % 92 to 95.5
0 to 0.040
Manganese (Mn), % 1.8 to 2.2
0
Molybdenum (Mo), % 0.9 to 1.4
0
Nickel (Ni), % 0 to 0.3
0
Oxygen (O), % 0
0.4 to 0.54
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0.66 to 0.74