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SAE-AISI S7 Steel vs. C96400 Copper-nickel

SAE-AISI S7 steel belongs to the iron alloys classification, while C96400 copper-nickel belongs to the copper alloys. There are 23 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI S7 steel and the bottom bar is C96400 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
140
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 74
51
Tensile Strength: Ultimate (UTS), MPa 670 to 2030
490

Thermal Properties

Latent Heat of Fusion, J/g 260
240
Melting Completion (Liquidus), °C 1460
1240
Melting Onset (Solidus), °C 1420
1170
Specific Heat Capacity, J/kg-K 470
400
Thermal Conductivity, W/m-K 40
28
Thermal Expansion, µm/m-K 12
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
5.0
Electrical Conductivity: Equal Weight (Specific), % IACS 9.0
5.1

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
45
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 2.3
5.9
Embodied Energy, MJ/kg 31
87
Embodied Water, L/kg 65
280

Common Calculations

Stiffness to Weight: Axial, points 14
8.6
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 24 to 72
15
Strength to Weight: Bending, points 22 to 46
16
Thermal Diffusivity, mm2/s 11
7.8
Thermal Shock Resistance, points 22 to 66
17

Alloy Composition

Carbon (C), % 0.45 to 0.55
0 to 0.15
Chromium (Cr), % 3.0 to 3.5
0
Copper (Cu), % 0 to 0.25
62.3 to 71.3
Iron (Fe), % 91.6 to 94.9
0.25 to 1.5
Lead (Pb), % 0
0 to 0.010
Manganese (Mn), % 0.2 to 0.9
0 to 1.5
Molybdenum (Mo), % 1.3 to 1.8
0
Nickel (Ni), % 0
28 to 32
Niobium (Nb), % 0
0.5 to 1.5
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0.2 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.020
Vanadium (V), % 0 to 0.3
0
Residuals, % 0
0 to 0.5