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Nickel 908 vs. SAE-AISI S1 Steel

Nickel 908 belongs to the nickel alloys classification, while SAE-AISI S1 steel belongs to the iron alloys. They have 42% of their average alloy composition in common. There are 22 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 nickel 908 and the bottom bar is SAE-AISI S1 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
190
Poisson's Ratio 0.3
0.29
Shear Modulus, GPa 70
73
Tensile Strength: Ultimate (UTS), MPa 1340
690 to 1840

Thermal Properties

Latent Heat of Fusion, J/g 290
260
Melting Completion (Liquidus), °C 1430
1500
Melting Onset (Solidus), °C 1380
1450
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 11
41
Thermal Expansion, µm/m-K 8.6
12

Otherwise Unclassified Properties

Base Metal Price, % relative 50
8.0
Density, g/cm3 8.3
8.0
Embodied Carbon, kg CO2/kg material 9.3
2.6
Embodied Energy, MJ/kg 140
37
Embodied Water, L/kg 170
56

Common Calculations

PREN (Pitting Resistance) 4.2
5.9
Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 45
24 to 64
Strength to Weight: Bending, points 33
22 to 42
Thermal Diffusivity, mm2/s 2.9
11
Thermal Shock Resistance, points 61
21 to 56

Alloy Composition

Aluminum (Al), % 0.75 to 1.3
0
Boron (B), % 0 to 0.012
0
Carbon (C), % 0 to 0.030
0.4 to 0.55
Chromium (Cr), % 3.8 to 4.5
1.0 to 1.8
Cobalt (Co), % 0 to 0.5
0
Copper (Cu), % 0 to 0.5
0 to 0.25
Iron (Fe), % 35.6 to 44.6
91.6 to 96.7
Manganese (Mn), % 0 to 1.0
0.1 to 0.4
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 47 to 51
0 to 0.3
Niobium (Nb), % 2.7 to 3.3
0
Phosphorus (P), % 0 to 0.015
0 to 0.030
Silicon (Si), % 0 to 0.5
0.15 to 1.2
Sulfur (S), % 0 to 0.0050
0 to 0.030
Titanium (Ti), % 1.2 to 1.8
0
Tungsten (W), % 0
1.5 to 3.0
Vanadium (V), % 0
0.15 to 0.3