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S31803 Stainless Steel vs. N08026 Nickel

S31803 stainless steel belongs to the iron alloys classification, while N08026 nickel belongs to the nickel alloys. They have 63% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is S31803 stainless steel and the bottom bar is N08026 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 29
34
Fatigue Strength, MPa 370
200
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
80
Shear Strength, MPa 460
410
Tensile Strength: Ultimate (UTS), MPa 710
620
Tensile Strength: Yield (Proof), MPa 500
270

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Maximum Temperature: Mechanical, °C 1060
990
Melting Completion (Liquidus), °C 1450
1430
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 16
12
Thermal Expansion, µm/m-K 13
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
1.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
1.7

Otherwise Unclassified Properties

Base Metal Price, % relative 17
41
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 3.6
7.2
Embodied Energy, MJ/kg 49
98
Embodied Water, L/kg 160
240

Common Calculations

PREN (Pitting Resistance) 34
45
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
170
Resilience: Unit (Modulus of Resilience), kJ/m3 630
180
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
21
Strength to Weight: Bending, points 23
20
Thermal Diffusivity, mm2/s 4.3
3.2
Thermal Shock Resistance, points 20
15

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 21 to 23
22 to 26
Copper (Cu), % 0
2.0 to 4.0
Iron (Fe), % 63.7 to 71.9
24.4 to 37.9
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 2.5 to 3.5
5.0 to 6.7
Nickel (Ni), % 4.5 to 6.5
33 to 37.2
Nitrogen (N), % 0.080 to 0.2
0.1 to 0.16
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.020
0 to 0.030