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SAE-AISI S7 Steel vs. C96900 Copper-nickel

SAE-AISI S7 steel belongs to the iron alloys classification, while C96900 copper-nickel belongs to the copper alloys. There are 21 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 C96900 copper-nickel.

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
45
Tensile Strength: Ultimate (UTS), MPa 670 to 2030
850

Thermal Properties

Latent Heat of Fusion, J/g 260
210
Melting Completion (Liquidus), °C 1460
1060
Melting Onset (Solidus), °C 1420
960
Specific Heat Capacity, J/kg-K 470
380
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 9.0
9.2

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
39
Density, g/cm3 7.8
8.8
Embodied Carbon, kg CO2/kg material 2.3
4.6
Embodied Energy, MJ/kg 31
72
Embodied Water, L/kg 65
360

Common Calculations

Stiffness to Weight: Axial, points 14
7.7
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 24 to 72
27
Strength to Weight: Bending, points 22 to 46
23
Thermal Shock Resistance, points 22 to 66
30

Alloy Composition

Carbon (C), % 0.45 to 0.55
0
Chromium (Cr), % 3.0 to 3.5
0
Copper (Cu), % 0 to 0.25
73.6 to 78
Iron (Fe), % 91.6 to 94.9
0 to 0.5
Lead (Pb), % 0
0 to 0.020
Magnesium (Mg), % 0
0 to 0.15
Manganese (Mn), % 0.2 to 0.9
0.050 to 0.3
Molybdenum (Mo), % 1.3 to 1.8
0
Nickel (Ni), % 0
14.5 to 15.5
Niobium (Nb), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.2 to 1.0
0 to 0.3
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
7.5 to 8.5
Vanadium (V), % 0 to 0.3
0
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0
0 to 0.5