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N10003 Nickel vs. S81921 Stainless Steel

N10003 nickel belongs to the nickel alloys classification, while S81921 stainless steel belongs to the iron alloys. There are 30 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 N10003 nickel and the bottom bar is S81921 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 42
29
Fatigue Strength, MPa 260
370
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 80
79
Shear Strength, MPa 540
460
Tensile Strength: Ultimate (UTS), MPa 780
710
Tensile Strength: Yield (Proof), MPa 320
500

Thermal Properties

Latent Heat of Fusion, J/g 320
290
Maximum Temperature: Mechanical, °C 930
990
Melting Completion (Liquidus), °C 1520
1430
Melting Onset (Solidus), °C 1460
1390
Specific Heat Capacity, J/kg-K 420
480
Thermal Conductivity, W/m-K 12
15
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 70
14
Density, g/cm3 8.9
7.7
Embodied Carbon, kg CO2/kg material 13
2.9
Embodied Energy, MJ/kg 180
41
Embodied Water, L/kg 270
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 260
180
Resilience: Unit (Modulus of Resilience), kJ/m3 240
630
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 24
25
Strength to Weight: Bending, points 21
23
Thermal Diffusivity, mm2/s 3.1
4.0
Thermal Shock Resistance, points 21
20

Alloy Composition

Aluminum (Al), % 0 to 0.5
0
Boron (B), % 0 to 0.010
0
Carbon (C), % 0.040 to 0.080
0 to 0.030
Chromium (Cr), % 6.0 to 8.0
19 to 22
Cobalt (Co), % 0 to 0.2
0
Copper (Cu), % 0 to 0.35
0
Iron (Fe), % 0 to 5.0
66.7 to 75.9
Manganese (Mn), % 0 to 1.0
2.0 to 4.0
Molybdenum (Mo), % 15 to 18
1.0 to 2.0
Nickel (Ni), % 64.8 to 79
2.0 to 4.0
Nitrogen (N), % 0
0.14 to 0.2
Phosphorus (P), % 0 to 0.015
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.030
Tungsten (W), % 0 to 0.5
0
Vanadium (V), % 0 to 0.5
0