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S82121 Stainless Steel vs. N10629 Nickel

S82121 stainless steel belongs to the iron alloys classification, while N10629 nickel belongs to the nickel alloys. There are 26 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 S82121 stainless steel and the bottom bar is N10629 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
220
Elongation at Break, % 28
45
Fatigue Strength, MPa 370
340
Poisson's Ratio 0.27
0.31
Shear Modulus, GPa 78
83
Shear Strength, MPa 470
600
Tensile Strength: Ultimate (UTS), MPa 730
860
Tensile Strength: Yield (Proof), MPa 510
400

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Mechanical, °C 1020
910
Melting Completion (Liquidus), °C 1430
1610
Melting Onset (Solidus), °C 1380
1560
Specific Heat Capacity, J/kg-K 480
390
Thermal Expansion, µm/m-K 13
10

Otherwise Unclassified Properties

Base Metal Price, % relative 14
75
Density, g/cm3 7.7
9.2
Embodied Carbon, kg CO2/kg material 2.8
15
Embodied Energy, MJ/kg 40
190
Embodied Water, L/kg 150
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
320
Resilience: Unit (Modulus of Resilience), kJ/m3 660
360
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 26
26
Strength to Weight: Bending, points 23
22
Thermal Shock Resistance, points 20
27

Alloy Composition

Aluminum (Al), % 0
0.1 to 0.5
Carbon (C), % 0 to 0.035
0 to 0.010
Chromium (Cr), % 21 to 23
0.5 to 1.5
Cobalt (Co), % 0
0 to 2.5
Copper (Cu), % 0.2 to 1.2
0 to 0.5
Iron (Fe), % 66.7 to 75.4
1.0 to 6.0
Manganese (Mn), % 1.0 to 2.5
0 to 1.5
Molybdenum (Mo), % 0.3 to 1.3
26 to 30
Nickel (Ni), % 2.0 to 4.0
65 to 72.4
Nitrogen (N), % 0.15 to 0.25
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.050
Sulfur (S), % 0 to 0.010
0 to 0.010