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AISI 440A Stainless Steel vs. EN 2.4816 Nickel

AISI 440A stainless steel belongs to the iron alloys classification, while EN 2.4816 nickel belongs to the nickel alloys. They have a modest 24% of their average alloy composition in common, which, by itself, doesn't mean much. There are 29 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 AISI 440A stainless steel and the bottom bar is EN 2.4816 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 5.0 to 20
34
Fatigue Strength, MPa 270 to 790
200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
74
Shear Strength, MPa 450 to 1040
470
Tensile Strength: Ultimate (UTS), MPa 730 to 1790
700
Tensile Strength: Yield (Proof), MPa 420 to 1650
270

Thermal Properties

Latent Heat of Fusion, J/g 280
310
Maximum Temperature: Mechanical, °C 760
1150
Melting Completion (Liquidus), °C 1480
1370
Melting Onset (Solidus), °C 1370
1320
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 23
15
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
1.8

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
55
Density, g/cm3 7.7
8.5
Embodied Carbon, kg CO2/kg material 2.2
9.0
Embodied Energy, MJ/kg 31
130
Embodied Water, L/kg 120
260

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 87 to 120
190
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 26 to 65
23
Strength to Weight: Bending, points 23 to 43
21
Thermal Diffusivity, mm2/s 6.2
3.8
Thermal Shock Resistance, points 26 to 65
20

Alloy Composition

Aluminum (Al), % 0
0 to 0.3
Carbon (C), % 0.6 to 0.75
0.050 to 0.1
Chromium (Cr), % 16 to 18
14 to 17
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 78.4 to 83.4
6.0 to 10
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.75
0
Nickel (Ni), % 0
72 to 80
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0
0 to 0.3