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AISI 442 Stainless Steel vs. EN 2.4669 Nickel

AISI 442 stainless steel belongs to the iron alloys classification, while EN 2.4669 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 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 AISI 442 stainless steel and the bottom bar is EN 2.4669 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 23
16
Fatigue Strength, MPa 210
390
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 78
73
Shear Strength, MPa 370
680
Tensile Strength: Ultimate (UTS), MPa 580
1110
Tensile Strength: Yield (Proof), MPa 310
720

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Mechanical, °C 960
960
Melting Completion (Liquidus), °C 1430
1380
Melting Onset (Solidus), °C 1390
1330
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 22
12
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.7
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 10
60
Density, g/cm3 7.7
8.4
Embodied Carbon, kg CO2/kg material 2.3
10
Embodied Energy, MJ/kg 32
150
Embodied Water, L/kg 130
260

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
160
Resilience: Unit (Modulus of Resilience), kJ/m3 250
1380
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 21
37
Strength to Weight: Bending, points 20
28
Thermal Diffusivity, mm2/s 5.8
3.1
Thermal Shock Resistance, points 20
33

Alloy Composition

Aluminum (Al), % 0
0.4 to 1.0
Carbon (C), % 0 to 0.2
0 to 0.080
Chromium (Cr), % 18 to 23
14 to 17
Cobalt (Co), % 0
0 to 1.0
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 74.1 to 82
5.0 to 9.0
Manganese (Mn), % 0 to 1.0
0 to 1.0
Nickel (Ni), % 0 to 0.6
65.9 to 77.7
Niobium (Nb), % 0
0.7 to 1.2
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.040
0 to 0.015
Titanium (Ti), % 0
2.3 to 2.8