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S21640 Stainless Steel vs. N06002 Nickel

S21640 stainless steel belongs to the iron alloys classification, while N06002 nickel belongs to the nickel alloys. They have 45% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is S21640 stainless steel and the bottom bar is N06002 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 46
41
Fatigue Strength, MPa 320
250
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
81
Shear Strength, MPa 520
520
Tensile Strength: Ultimate (UTS), MPa 740
760
Tensile Strength: Yield (Proof), MPa 350
310

Thermal Properties

Latent Heat of Fusion, J/g 290
320
Maximum Temperature: Mechanical, °C 940
990
Melting Completion (Liquidus), °C 1430
1360
Melting Onset (Solidus), °C 1380
1260
Specific Heat Capacity, J/kg-K 480
450
Thermal Conductivity, W/m-K 15
9.9
Thermal Expansion, µm/m-K 17
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 17
55
Density, g/cm3 7.7
8.5
Embodied Carbon, kg CO2/kg material 3.6
9.3
Embodied Energy, MJ/kg 51
130
Embodied Water, L/kg 150
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 280
250
Resilience: Unit (Modulus of Resilience), kJ/m3 300
230
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 27
25
Strength to Weight: Bending, points 23
22
Thermal Diffusivity, mm2/s 4.0
2.6
Thermal Shock Resistance, points 16
19

Alloy Composition

Carbon (C), % 0 to 0.080
0.050 to 0.15
Chromium (Cr), % 17.5 to 19.5
20.5 to 23
Cobalt (Co), % 0
0.5 to 2.5
Iron (Fe), % 63 to 74.3
17 to 20
Manganese (Mn), % 3.5 to 6.5
0 to 1.0
Molybdenum (Mo), % 0.5 to 2.0
8.0 to 10
Nickel (Ni), % 4.0 to 6.5
42.3 to 54
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
Tungsten (W), % 0
0.2 to 1.0