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SAE-AISI S7 Steel vs. C18100 Copper

SAE-AISI S7 steel belongs to the iron alloys classification, while C18100 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 S7 steel and the bottom bar is C18100 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 74
47
Tensile Strength: Ultimate (UTS), MPa 670 to 2030
510

Thermal Properties

Latent Heat of Fusion, J/g 260
210
Melting Completion (Liquidus), °C 1460
1080
Melting Onset (Solidus), °C 1420
1020
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 40
320
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
80
Electrical Conductivity: Equal Weight (Specific), % IACS 9.0
81

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
31
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 2.3
2.7
Embodied Energy, MJ/kg 31
43
Embodied Water, L/kg 65
310

Common Calculations

Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 24 to 72
16
Strength to Weight: Bending, points 22 to 46
16
Thermal Diffusivity, mm2/s 11
94
Thermal Shock Resistance, points 22 to 66
18

Alloy Composition

Carbon (C), % 0.45 to 0.55
0
Chromium (Cr), % 3.0 to 3.5
0.4 to 1.2
Copper (Cu), % 0 to 0.25
98.7 to 99.49
Iron (Fe), % 91.6 to 94.9
0
Magnesium (Mg), % 0
0.030 to 0.060
Manganese (Mn), % 0.2 to 0.9
0
Molybdenum (Mo), % 1.3 to 1.8
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.2 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Vanadium (V), % 0 to 0.3
0
Zirconium (Zr), % 0
0.080 to 0.2
Residuals, % 0
0 to 0.5