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S32950 Stainless Steel vs. Nickel 201

S32950 stainless steel belongs to the iron alloys classification, while nickel 201 belongs to the nickel alloys. 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 nickel 201.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
180
Elongation at Break, % 17
4.5 to 45
Fatigue Strength, MPa 330
42 to 210
Poisson's Ratio 0.27
0.31
Shear Modulus, GPa 80
70
Shear Strength, MPa 480
270 to 380
Tensile Strength: Ultimate (UTS), MPa 780
390 to 660
Tensile Strength: Yield (Proof), MPa 550
80 to 510

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Mechanical, °C 1100
900
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1390
1440
Specific Heat Capacity, J/kg-K 480
440
Thermal Conductivity, W/m-K 16
78
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
19
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
19

Otherwise Unclassified Properties

Base Metal Price, % relative 17
65
Density, g/cm3 7.7
8.9
Embodied Carbon, kg CO2/kg material 3.4
11
Embodied Energy, MJ/kg 47
150
Embodied Water, L/kg 180
230

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
25 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 730
17 to 720
Stiffness to Weight: Axial, points 15
11
Stiffness to Weight: Bending, points 25
21
Strength to Weight: Axial, points 28
12 to 20
Strength to Weight: Bending, points 24
13 to 19
Thermal Diffusivity, mm2/s 4.3
20
Thermal Shock Resistance, points 21
11 to 19

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.020
Chromium (Cr), % 26 to 29
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 60.3 to 69.4
0 to 0.4
Manganese (Mn), % 0 to 2.0
0 to 0.35
Molybdenum (Mo), % 1.0 to 2.5
0
Nickel (Ni), % 3.5 to 5.2
99 to 100
Nitrogen (N), % 0.15 to 0.35
0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 0.6
0 to 0.35
Sulfur (S), % 0 to 0.010
0 to 0.010