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EN 2.4669 Nickel vs. AISI 441 Stainless Steel

EN 2.4669 nickel belongs to the nickel alloys classification, while AISI 441 stainless steel belongs to the iron alloys. They have a modest 25% 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 441 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 16
23
Fatigue Strength, MPa 390
180
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 680
300
Tensile Strength: Ultimate (UTS), MPa 1110
470
Tensile Strength: Yield (Proof), MPa 720
270

Thermal Properties

Latent Heat of Fusion, J/g 310
280
Maximum Temperature: Mechanical, °C 960
910
Melting Completion (Liquidus), °C 1380
1440
Melting Onset (Solidus), °C 1330
1400
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 12
23
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 1.5
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 60
13
Density, g/cm3 8.4
7.7
Embodied Carbon, kg CO2/kg material 10
2.8
Embodied Energy, MJ/kg 150
41
Embodied Water, L/kg 260
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
92
Resilience: Unit (Modulus of Resilience), kJ/m3 1380
190
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 37
17
Strength to Weight: Bending, points 28
17
Thermal Diffusivity, mm2/s 3.1
6.1
Thermal Shock Resistance, points 33
16

Alloy Composition

Aluminum (Al), % 0.4 to 1.0
0
Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 14 to 17
17.5 to 19.5
Cobalt (Co), % 0 to 1.0
0
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 5.0 to 9.0
76 to 82.2
Manganese (Mn), % 0 to 1.0
0 to 1.0
Nickel (Ni), % 65.9 to 77.7
0 to 1.0
Niobium (Nb), % 0.7 to 1.2
0.3 to 0.9
Nitrogen (N), % 0
0 to 0.030
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
0.1 to 0.5