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SAE-AISI S1 Steel vs. Nickel 725

SAE-AISI S1 steel belongs to the iron alloys classification, while nickel 725 belongs to the nickel alloys. There are 21 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI S1 steel and the bottom bar is nickel 725.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
78
Tensile Strength: Ultimate (UTS), MPa 690 to 1840
860

Thermal Properties

Latent Heat of Fusion, J/g 260
320
Melting Completion (Liquidus), °C 1500
1340
Melting Onset (Solidus), °C 1450
1270
Specific Heat Capacity, J/kg-K 470
440
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
75
Density, g/cm3 8.0
8.5
Embodied Carbon, kg CO2/kg material 2.6
13
Embodied Energy, MJ/kg 37
190
Embodied Water, L/kg 56
270

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 24 to 64
28
Strength to Weight: Bending, points 22 to 42
24
Thermal Shock Resistance, points 21 to 56
23

Alloy Composition

Aluminum (Al), % 0
0 to 0.35
Carbon (C), % 0.4 to 0.55
0 to 0.030
Chromium (Cr), % 1.0 to 1.8
19 to 22.5
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 91.6 to 96.7
2.3 to 15.3
Manganese (Mn), % 0.1 to 0.4
0 to 0.35
Molybdenum (Mo), % 0 to 0.5
7.0 to 9.5
Nickel (Ni), % 0 to 0.3
55 to 59
Niobium (Nb), % 0
2.8 to 4.0
Phosphorus (P), % 0 to 0.030
0 to 0.015
Silicon (Si), % 0.15 to 1.2
0 to 0.2
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
1.0 to 1.7
Tungsten (W), % 1.5 to 3.0
0
Vanadium (V), % 0.15 to 0.3
0