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EN 2.4816 Nickel vs. S81921 Stainless Steel

EN 2.4816 nickel belongs to the nickel alloys classification, while S81921 stainless steel belongs to the iron alloys. They have a modest 27% of their average alloy composition in common, which, by itself, doesn't mean much. There are 31 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 EN 2.4816 nickel and the bottom bar is S81921 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
260
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 34
29
Fatigue Strength, MPa 200
370
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
79
Shear Strength, MPa 470
460
Tensile Strength: Ultimate (UTS), MPa 700
710
Tensile Strength: Yield (Proof), MPa 270
500

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Maximum Temperature: Mechanical, °C 1150
990
Melting Completion (Liquidus), °C 1370
1430
Melting Onset (Solidus), °C 1320
1390
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 55
14
Density, g/cm3 8.5
7.7
Embodied Carbon, kg CO2/kg material 9.0
2.9
Embodied Energy, MJ/kg 130
41
Embodied Water, L/kg 260
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
180
Resilience: Unit (Modulus of Resilience), kJ/m3 190
630
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 23
25
Strength to Weight: Bending, points 21
23
Thermal Diffusivity, mm2/s 3.8
4.0
Thermal Shock Resistance, points 20
20

Alloy Composition

Aluminum (Al), % 0 to 0.3
0
Carbon (C), % 0.050 to 0.1
0 to 0.030
Chromium (Cr), % 14 to 17
19 to 22
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 6.0 to 10
66.7 to 75.9
Manganese (Mn), % 0 to 1.0
2.0 to 4.0
Molybdenum (Mo), % 0
1.0 to 2.0
Nickel (Ni), % 72 to 80
2.0 to 4.0
Nitrogen (N), % 0
0.14 to 0.2
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0 to 0.3
0