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S21640 Stainless Steel vs. N10001 Nickel

S21640 stainless steel belongs to the iron alloys classification, while N10001 nickel belongs to the nickel alloys. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is S21640 stainless steel and the bottom bar is N10001 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
220
Elongation at Break, % 46
45
Fatigue Strength, MPa 320
300
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 78
84
Shear Strength, MPa 520
550
Tensile Strength: Ultimate (UTS), MPa 740
780
Tensile Strength: Yield (Proof), MPa 350
350

Thermal Properties

Latent Heat of Fusion, J/g 290
320
Maximum Temperature: Mechanical, °C 940
900
Melting Completion (Liquidus), °C 1430
1620
Melting Onset (Solidus), °C 1380
1570
Specific Heat Capacity, J/kg-K 480
390
Thermal Expansion, µm/m-K 17
10

Otherwise Unclassified Properties

Base Metal Price, % relative 17
75
Density, g/cm3 7.7
9.2
Embodied Carbon, kg CO2/kg material 3.6
15
Embodied Energy, MJ/kg 51
200
Embodied Water, L/kg 150
260

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 280
290
Resilience: Unit (Modulus of Resilience), kJ/m3 300
280
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 27
24
Strength to Weight: Bending, points 23
21
Thermal Shock Resistance, points 16
25

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.050
Chromium (Cr), % 17.5 to 19.5
0 to 1.0
Cobalt (Co), % 0
0 to 2.5
Iron (Fe), % 63 to 74.3
4.0 to 6.0
Manganese (Mn), % 3.5 to 6.5
0 to 1.0
Molybdenum (Mo), % 0.5 to 2.0
26 to 30
Nickel (Ni), % 4.0 to 6.5
58 to 69.8
Niobium (Nb), % 0.1 to 1.0
0
Nitrogen (N), % 0.080 to 0.3
0
Phosphorus (P), % 0 to 0.060
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0
0.2 to 0.4