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EN 1.4401 Stainless Steel vs. EN 2.4680 Cast Nickel

EN 1.4401 stainless steel belongs to the iron alloys classification, while EN 2.4680 cast nickel belongs to the nickel alloys. They have a modest 31% 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 (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.4401 stainless steel and the bottom bar is EN 2.4680 cast nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 14 to 40
9.1
Fatigue Strength, MPa 200 to 320
120
Poisson's Ratio 0.28
0.26
Shear Modulus, GPa 78
84
Tensile Strength: Ultimate (UTS), MPa 600 to 900
600
Tensile Strength: Yield (Proof), MPa 230 to 570
260

Thermal Properties

Latent Heat of Fusion, J/g 290
350
Maximum Temperature: Mechanical, °C 950
1050
Melting Completion (Liquidus), °C 1440
1360
Melting Onset (Solidus), °C 1400
1320
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
14
Thermal Expansion, µm/m-K 16
15

Otherwise Unclassified Properties

Base Metal Price, % relative 19
60
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 3.8
9.1
Embodied Energy, MJ/kg 52
130
Embodied Water, L/kg 150
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 190
45
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 800
160
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21 to 32
21
Strength to Weight: Bending, points 20 to 26
20
Thermal Diffusivity, mm2/s 4.0
3.7
Thermal Shock Resistance, points 13 to 20
14

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.1
Chromium (Cr), % 16.5 to 18.5
48 to 52
Iron (Fe), % 62.8 to 71.5
0 to 1.0
Manganese (Mn), % 0 to 2.0
0 to 0.5
Molybdenum (Mo), % 2.0 to 2.5
0 to 0.5
Nickel (Ni), % 10 to 13
42.9 to 51
Niobium (Nb), % 0
1.0 to 1.8
Nitrogen (N), % 0 to 0.1
0 to 0.16
Phosphorus (P), % 0 to 0.045
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.020