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EN 2.4680 Cast Nickel vs. S21904 Stainless Steel

EN 2.4680 cast nickel belongs to the nickel alloys classification, while S21904 stainless steel belongs to the iron alloys. They have a modest 28% of their average alloy composition in common, which, by itself, doesn't mean much. There are 27 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 2.4680 cast nickel and the bottom bar is S21904 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 9.1
17 to 51
Fatigue Strength, MPa 120
380 to 550
Poisson's Ratio 0.26
0.28
Shear Modulus, GPa 84
78
Tensile Strength: Ultimate (UTS), MPa 600
700 to 1000
Tensile Strength: Yield (Proof), MPa 260
390 to 910

Thermal Properties

Latent Heat of Fusion, J/g 350
290
Maximum Temperature: Mechanical, °C 1050
980
Melting Completion (Liquidus), °C 1360
1400
Melting Onset (Solidus), °C 1320
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 14
14
Thermal Expansion, µm/m-K 15
17

Otherwise Unclassified Properties

Base Metal Price, % relative 60
15
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 9.1
3.0
Embodied Energy, MJ/kg 130
43
Embodied Water, L/kg 350
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 45
160 to 310
Resilience: Unit (Modulus of Resilience), kJ/m3 160
380 to 2070
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
25 to 36
Strength to Weight: Bending, points 20
23 to 29
Thermal Diffusivity, mm2/s 3.7
3.8
Thermal Shock Resistance, points 14
15 to 21

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.040
Chromium (Cr), % 48 to 52
19 to 21.5
Iron (Fe), % 0 to 1.0
59.5 to 67.4
Manganese (Mn), % 0 to 0.5
8.0 to 10
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 42.9 to 51
5.5 to 7.5
Niobium (Nb), % 1.0 to 1.8
0
Nitrogen (N), % 0 to 0.16
0.15 to 0.4
Phosphorus (P), % 0 to 0.020
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.030