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EN 2.4669 Nickel vs. AISI 420 Stainless Steel

EN 2.4669 nickel belongs to the nickel alloys classification, while AISI 420 stainless steel belongs to the iron alloys. They have a modest 21% 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 (6, in this case) are not shown.

For each property being compared, the top bar is EN 2.4669 nickel and the bottom bar is AISI 420 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 16
8.0 to 15
Fatigue Strength, MPa 390
220 to 670
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 680
420 to 1010
Tensile Strength: Ultimate (UTS), MPa 1110
690 to 1720
Tensile Strength: Yield (Proof), MPa 720
380 to 1310

Thermal Properties

Latent Heat of Fusion, J/g 310
280
Maximum Temperature: Mechanical, °C 960
620
Melting Completion (Liquidus), °C 1380
1510
Melting Onset (Solidus), °C 1330
1450
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 12
27
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 1.5
3.5

Otherwise Unclassified Properties

Base Metal Price, % relative 60
7.5
Density, g/cm3 8.4
7.7
Embodied Carbon, kg CO2/kg material 10
2.0
Embodied Energy, MJ/kg 150
28
Embodied Water, L/kg 260
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
88 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 1380
380 to 4410
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 37
25 to 62
Strength to Weight: Bending, points 28
22 to 41
Thermal Diffusivity, mm2/s 3.1
7.3
Thermal Shock Resistance, points 33
25 to 62

Alloy Composition

Aluminum (Al), % 0.4 to 1.0
0
Carbon (C), % 0 to 0.080
0.15 to 0.4
Chromium (Cr), % 14 to 17
12 to 14
Cobalt (Co), % 0 to 1.0
0
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 5.0 to 9.0
82.3 to 87.9
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 65.9 to 77.7
0 to 0.75
Niobium (Nb), % 0.7 to 1.2
0
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), % 2.3 to 2.8
0