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Nickel 200 vs. S31266 Stainless Steel

Nickel 200 belongs to the nickel alloys classification, while S31266 stainless steel belongs to the iron alloys. They have a modest 23% 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 nickel 200 and the bottom bar is S31266 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
210
Elongation at Break, % 23 to 44
40
Fatigue Strength, MPa 120 to 350
400
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 70
81
Shear Strength, MPa 300 to 340
590
Tensile Strength: Ultimate (UTS), MPa 420 to 540
860
Tensile Strength: Yield (Proof), MPa 120 to 370
470

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Mechanical, °C 900
1100
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1440
1420
Specific Heat Capacity, J/kg-K 450
460
Thermal Conductivity, W/m-K 69
12
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 18
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 18
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 65
37
Density, g/cm3 8.9
8.2
Embodied Carbon, kg CO2/kg material 11
6.5
Embodied Energy, MJ/kg 150
89
Embodied Water, L/kg 230
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 150
290
Resilience: Unit (Modulus of Resilience), kJ/m3 42 to 370
540
Stiffness to Weight: Axial, points 11
14
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 13 to 17
29
Strength to Weight: Bending, points 14 to 17
24
Thermal Diffusivity, mm2/s 17
3.1
Thermal Shock Resistance, points 13 to 16
18

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.030
Chromium (Cr), % 0
23 to 25
Copper (Cu), % 0 to 0.25
1.0 to 2.5
Iron (Fe), % 0 to 0.4
34.1 to 46
Manganese (Mn), % 0 to 0.35
2.0 to 4.0
Molybdenum (Mo), % 0
5.2 to 6.2
Nickel (Ni), % 99 to 100
21 to 24
Nitrogen (N), % 0
0.35 to 0.6
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0 to 0.35
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.020
Tungsten (W), % 0
1.5 to 2.5