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SAE-AISI S7 Steel vs. EN 2.4879 Cast Nickel

SAE-AISI S7 steel belongs to the iron alloys classification, while EN 2.4879 cast nickel belongs to the nickel alloys. They have a modest 20% of their average alloy composition in common, which, by itself, doesn't mean much. There are 21 material properties with values for both materials. Properties with values for just one material (9, 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 2.4879 cast nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
80
Tensile Strength: Ultimate (UTS), MPa 670 to 2030
490

Thermal Properties

Latent Heat of Fusion, J/g 260
330
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 40
11
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
55
Density, g/cm3 7.8
8.5
Embodied Carbon, kg CO2/kg material 2.3
8.3
Embodied Energy, MJ/kg 31
120
Embodied Water, L/kg 65
270

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 24 to 72
16
Strength to Weight: Bending, points 22 to 46
16
Thermal Diffusivity, mm2/s 11
2.8
Thermal Shock Resistance, points 22 to 66
13

Alloy Composition

Carbon (C), % 0.45 to 0.55
0.35 to 0.55
Chromium (Cr), % 3.0 to 3.5
27 to 30
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 91.6 to 94.9
9.4 to 20.7
Manganese (Mn), % 0.2 to 0.9
0 to 1.5
Molybdenum (Mo), % 1.3 to 1.8
0 to 0.5
Nickel (Ni), % 0
47 to 50
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.2 to 1.0
1.0 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
4.0 to 6.0
Vanadium (V), % 0 to 0.3
0