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S32950 Stainless Steel vs. Nickel 908

S32950 stainless steel belongs to the iron alloys classification, while nickel 908 belongs to the nickel alloys. They have 49% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is S32950 stainless steel and the bottom bar is nickel 908.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
180
Elongation at Break, % 17
11
Fatigue Strength, MPa 330
450
Poisson's Ratio 0.27
0.3
Shear Modulus, GPa 80
70
Shear Strength, MPa 480
800
Tensile Strength: Ultimate (UTS), MPa 780
1340
Tensile Strength: Yield (Proof), MPa 550
930

Thermal Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 17
50
Density, g/cm3 7.7
8.3
Embodied Carbon, kg CO2/kg material 3.4
9.3
Embodied Energy, MJ/kg 47
140
Embodied Water, L/kg 180
170

Common Calculations

PREN (Pitting Resistance) 37
4.2
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
140
Resilience: Unit (Modulus of Resilience), kJ/m3 730
2340
Stiffness to Weight: Axial, points 15
12
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 28
45
Strength to Weight: Bending, points 24
33
Thermal Diffusivity, mm2/s 4.3
2.9
Thermal Shock Resistance, points 21
61

Alloy Composition

Aluminum (Al), % 0
0.75 to 1.3
Boron (B), % 0
0 to 0.012
Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 26 to 29
3.8 to 4.5
Cobalt (Co), % 0
0 to 0.5
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 60.3 to 69.4
35.6 to 44.6
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 1.0 to 2.5
0
Nickel (Ni), % 3.5 to 5.2
47 to 51
Niobium (Nb), % 0
2.7 to 3.3
Nitrogen (N), % 0.15 to 0.35
0
Phosphorus (P), % 0 to 0.035
0 to 0.015
Silicon (Si), % 0 to 0.6
0 to 0.5
Sulfur (S), % 0 to 0.010
0 to 0.0050
Titanium (Ti), % 0
1.2 to 1.8