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S44660 Stainless Steel vs. EN 2.4669 Nickel

S44660 stainless steel belongs to the iron alloys classification, while EN 2.4669 nickel belongs to the nickel alloys. They have a modest 27% 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 S44660 stainless steel and the bottom bar is EN 2.4669 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 20
16
Fatigue Strength, MPa 330
390
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 81
73
Shear Strength, MPa 410
680
Tensile Strength: Ultimate (UTS), MPa 660
1110
Tensile Strength: Yield (Proof), MPa 510
720

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Maximum Temperature: Mechanical, °C 1100
960
Melting Completion (Liquidus), °C 1460
1380
Melting Onset (Solidus), °C 1410
1330
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 17
12
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 21
60
Density, g/cm3 7.7
8.4
Embodied Carbon, kg CO2/kg material 4.3
10
Embodied Energy, MJ/kg 61
150
Embodied Water, L/kg 180
260

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
160
Resilience: Unit (Modulus of Resilience), kJ/m3 640
1380
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 24
37
Strength to Weight: Bending, points 22
28
Thermal Diffusivity, mm2/s 4.5
3.1
Thermal Shock Resistance, points 21
33

Alloy Composition

Aluminum (Al), % 0
0.4 to 1.0
Carbon (C), % 0 to 0.030
0 to 0.080
Chromium (Cr), % 25 to 28
14 to 17
Cobalt (Co), % 0
0 to 1.0
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 60.4 to 71
5.0 to 9.0
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 3.0 to 4.0
0
Nickel (Ni), % 1.0 to 3.5
65.9 to 77.7
Niobium (Nb), % 0.2 to 1.0
0.7 to 1.2
Nitrogen (N), % 0 to 0.040
0
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0.2 to 1.0
2.3 to 2.8