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EN 2.4654 Nickel vs. AISI 444 Stainless Steel

EN 2.4654 nickel belongs to the nickel alloys classification, while AISI 444 stainless steel belongs to the iron alloys. They have a modest 23% of their average alloy composition in common, which, by itself, doesn't mean much. There are 28 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 2.4654 nickel and the bottom bar is AISI 444 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
23
Fatigue Strength, MPa 460
210
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 77
78
Shear Strength, MPa 770
300
Tensile Strength: Ultimate (UTS), MPa 1250
470
Tensile Strength: Yield (Proof), MPa 850
310

Thermal Properties

Latent Heat of Fusion, J/g 320
290
Maximum Temperature: Mechanical, °C 1000
930
Melting Completion (Liquidus), °C 1390
1460
Melting Onset (Solidus), °C 1330
1420
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 13
23
Thermal Expansion, µm/m-K 12
10

Otherwise Unclassified Properties

Base Metal Price, % relative 75
15
Density, g/cm3 8.4
7.7
Embodied Carbon, kg CO2/kg material 10
3.4
Embodied Energy, MJ/kg 150
47
Embodied Water, L/kg 340
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
95
Resilience: Unit (Modulus of Resilience), kJ/m3 1810
240
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 42
17
Strength to Weight: Bending, points 31
17
Thermal Diffusivity, mm2/s 3.3
6.2
Thermal Shock Resistance, points 37
16

Alloy Composition

Aluminum (Al), % 1.2 to 1.6
0
Boron (B), % 0.0030 to 0.010
0
Carbon (C), % 0.020 to 0.1
0 to 0.025
Chromium (Cr), % 18 to 21
17.5 to 19.5
Cobalt (Co), % 12 to 15
0
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0 to 2.0
73.3 to 80.8
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 3.5 to 5.0
1.8 to 2.5
Nickel (Ni), % 50.6 to 62.5
0 to 1.0
Niobium (Nb), % 0
0.2 to 0.8
Nitrogen (N), % 0
0 to 0.035
Phosphorus (P), % 0 to 0.015
0 to 0.040
Silicon (Si), % 0 to 0.15
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 2.8 to 3.3
0.2 to 0.8
Zirconium (Zr), % 0.020 to 0.080
0