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SAE-AISI S7 Steel vs. Grade M35-1 Nickel

SAE-AISI S7 steel belongs to the iron alloys classification, while grade M35-1 nickel belongs to the nickel alloys. There are 23 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI S7 steel and the bottom bar is grade M35-1 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
160
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 74
62
Tensile Strength: Ultimate (UTS), MPa 670 to 2030
500

Thermal Properties

Latent Heat of Fusion, J/g 260
280
Melting Completion (Liquidus), °C 1460
1280
Melting Onset (Solidus), °C 1420
1240
Specific Heat Capacity, J/kg-K 470
430
Thermal Conductivity, W/m-K 40
22
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
3.3
Electrical Conductivity: Equal Weight (Specific), % IACS 9.0
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
55
Density, g/cm3 7.8
8.8
Embodied Carbon, kg CO2/kg material 2.3
8.2
Embodied Energy, MJ/kg 31
120
Embodied Water, L/kg 65
250

Common Calculations

Stiffness to Weight: Axial, points 14
10
Stiffness to Weight: Bending, points 25
21
Strength to Weight: Axial, points 24 to 72
16
Strength to Weight: Bending, points 22 to 46
16
Thermal Diffusivity, mm2/s 11
5.7
Thermal Shock Resistance, points 22 to 66
17

Alloy Composition

Carbon (C), % 0.45 to 0.55
0 to 0.35
Chromium (Cr), % 3.0 to 3.5
0
Copper (Cu), % 0 to 0.25
26 to 33
Iron (Fe), % 91.6 to 94.9
0 to 3.5
Manganese (Mn), % 0.2 to 0.9
0 to 1.5
Molybdenum (Mo), % 1.3 to 1.8
0
Nickel (Ni), % 0
59.8 to 74
Niobium (Nb), % 0
0 to 0.5
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.2 to 1.0
0 to 1.3
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0 to 0.3
0