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SAE-AISI S7 Steel vs. EN 2.4650 Nickel

SAE-AISI S7 steel belongs to the iron alloys classification, while EN 2.4650 nickel belongs to the nickel 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 EN 2.4650 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
80
Tensile Strength: Ultimate (UTS), MPa 670 to 2030
1090

Thermal Properties

Latent Heat of Fusion, J/g 260
320
Melting Completion (Liquidus), °C 1460
1400
Melting Onset (Solidus), °C 1420
1350
Specific Heat Capacity, J/kg-K 470
450
Thermal Conductivity, W/m-K 40
12
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 9.0
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
80
Density, g/cm3 7.8
8.5
Embodied Carbon, kg CO2/kg material 2.3
10
Embodied Energy, MJ/kg 31
140
Embodied Water, L/kg 65
360

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 24 to 72
36
Strength to Weight: Bending, points 22 to 46
28
Thermal Diffusivity, mm2/s 11
3.1
Thermal Shock Resistance, points 22 to 66
33

Alloy Composition

Aluminum (Al), % 0
0.3 to 0.6
Boron (B), % 0
0 to 0.0050
Carbon (C), % 0.45 to 0.55
0.040 to 0.080
Chromium (Cr), % 3.0 to 3.5
19 to 21
Cobalt (Co), % 0
19 to 21
Copper (Cu), % 0 to 0.25
0 to 0.2
Iron (Fe), % 91.6 to 94.9
0 to 0.7
Manganese (Mn), % 0.2 to 0.9
0 to 0.6
Molybdenum (Mo), % 1.3 to 1.8
5.6 to 6.1
Nickel (Ni), % 0
46.9 to 54.2
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0.2 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.0070
Titanium (Ti), % 0
1.9 to 2.4
Vanadium (V), % 0 to 0.3
0