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S44800 Stainless Steel vs. EN 2.4669 Nickel

S44800 stainless steel belongs to the iron alloys classification, while EN 2.4669 nickel belongs to the nickel alloys. They have a modest 25% of their average alloy composition in common, which, by itself, doesn't mean much. There are 31 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is S44800 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, % 23
16
Fatigue Strength, MPa 300
390
Poisson's Ratio 0.27
0.29
Reduction in Area, % 45
31
Shear Modulus, GPa 82
73
Shear Strength, MPa 370
680
Tensile Strength: Ultimate (UTS), MPa 590
1110
Tensile Strength: Yield (Proof), MPa 450
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 2.6
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 19
60
Density, g/cm3 7.8
8.4
Embodied Carbon, kg CO2/kg material 3.8
10
Embodied Energy, MJ/kg 52
150
Embodied Water, L/kg 190
260

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
160
Resilience: Unit (Modulus of Resilience), kJ/m3 480
1380
Stiffness to Weight: Axial, points 15
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 4.6
3.1
Thermal Shock Resistance, points 19
33

Alloy Composition

Aluminum (Al), % 0
0.4 to 1.0
Carbon (C), % 0 to 0.010
0 to 0.080
Chromium (Cr), % 28 to 30
14 to 17
Cobalt (Co), % 0
0 to 1.0
Copper (Cu), % 0 to 0.15
0 to 0.5
Iron (Fe), % 62.6 to 66.5
5.0 to 9.0
Manganese (Mn), % 0 to 0.3
0 to 1.0
Molybdenum (Mo), % 3.5 to 4.2
0
Nickel (Ni), % 2.0 to 2.5
65.9 to 77.7
Niobium (Nb), % 0
0.7 to 1.2
Nitrogen (N), % 0 to 0.020
0
Phosphorus (P), % 0 to 0.025
0 to 0.020
Silicon (Si), % 0 to 0.2
0 to 0.5
Sulfur (S), % 0 to 0.020
0 to 0.015
Titanium (Ti), % 0
2.3 to 2.8