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Nickel 908 vs. S32550 Stainless Steel

Nickel 908 belongs to the nickel alloys classification, while S32550 stainless steel belongs to the iron alloys. They have 51% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is nickel 908 and the bottom bar is S32550 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
200
Elongation at Break, % 11
21
Fatigue Strength, MPa 450
400
Poisson's Ratio 0.3
0.27
Shear Modulus, GPa 70
80
Shear Strength, MPa 800
540
Tensile Strength: Ultimate (UTS), MPa 1340
860
Tensile Strength: Yield (Proof), MPa 930
620

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Mechanical, °C 920
1100
Melting Completion (Liquidus), °C 1430
1440
Melting Onset (Solidus), °C 1380
1390
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 11
16
Thermal Expansion, µm/m-K 8.6
13

Otherwise Unclassified Properties

Base Metal Price, % relative 50
20
Density, g/cm3 8.3
7.8
Embodied Carbon, kg CO2/kg material 9.3
3.8
Embodied Energy, MJ/kg 140
53
Embodied Water, L/kg 170
180

Common Calculations

PREN (Pitting Resistance) 4.2
40
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
160
Resilience: Unit (Modulus of Resilience), kJ/m3 2340
940
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 45
31
Strength to Weight: Bending, points 33
26
Thermal Diffusivity, mm2/s 2.9
4.4
Thermal Shock Resistance, points 61
23

Alloy Composition

Aluminum (Al), % 0.75 to 1.3
0
Boron (B), % 0 to 0.012
0
Carbon (C), % 0 to 0.030
0 to 0.040
Chromium (Cr), % 3.8 to 4.5
24 to 27
Cobalt (Co), % 0 to 0.5
0
Copper (Cu), % 0 to 0.5
1.5 to 2.5
Iron (Fe), % 35.6 to 44.6
57.2 to 67
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 0
2.9 to 3.9
Nickel (Ni), % 47 to 51
4.5 to 6.5
Niobium (Nb), % 2.7 to 3.3
0
Nitrogen (N), % 0
0.1 to 0.25
Phosphorus (P), % 0 to 0.015
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.0050
0 to 0.030
Titanium (Ti), % 1.2 to 1.8
0