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S32950 Stainless Steel vs. N07716 Nickel

S32950 stainless steel belongs to the iron alloys classification, while N07716 nickel belongs to the nickel alloys. They have a modest 32% of their average alloy composition in common, which, by itself, doesn't mean much. There are 30 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 N07716 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
34
Fatigue Strength, MPa 330
690
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
78
Shear Strength, MPa 480
580
Tensile Strength: Ultimate (UTS), MPa 780
860
Tensile Strength: Yield (Proof), MPa 550
350

Thermal Properties

Latent Heat of Fusion, J/g 300
320
Maximum Temperature: Mechanical, °C 1100
980
Melting Completion (Liquidus), °C 1430
1480
Melting Onset (Solidus), °C 1390
1430
Specific Heat Capacity, J/kg-K 480
440
Thermal Conductivity, W/m-K 16
11
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 17
75
Density, g/cm3 7.7
8.5
Embodied Carbon, kg CO2/kg material 3.4
13
Embodied Energy, MJ/kg 47
190
Embodied Water, L/kg 180
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
240
Resilience: Unit (Modulus of Resilience), kJ/m3 730
300
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 28
28
Strength to Weight: Bending, points 24
24
Thermal Diffusivity, mm2/s 4.3
2.8
Thermal Shock Resistance, points 21
24

Alloy Composition

Aluminum (Al), % 0
0 to 0.35
Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 26 to 29
19 to 22
Iron (Fe), % 60.3 to 69.4
0 to 11.3
Manganese (Mn), % 0 to 2.0
0 to 0.2
Molybdenum (Mo), % 1.0 to 2.5
7.0 to 9.5
Nickel (Ni), % 3.5 to 5.2
59 to 63
Niobium (Nb), % 0
2.8 to 4.0
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 0.2
Sulfur (S), % 0 to 0.010
0 to 0.010
Titanium (Ti), % 0
1.0 to 1.6