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EN 1.4421 Stainless Steel vs. N06650 Nickel

EN 1.4421 stainless steel belongs to the iron alloys classification, while N06650 nickel belongs to the nickel alloys. They have a modest 36% of their average alloy composition in common, which, by itself, doesn't mean much. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.4421 stainless steel and the bottom bar is N06650 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 11 to 17
50
Fatigue Strength, MPa 380 to 520
420
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
82
Tensile Strength: Ultimate (UTS), MPa 880 to 1100
900
Tensile Strength: Yield (Proof), MPa 620 to 950
460

Thermal Properties

Latent Heat of Fusion, J/g 280
320
Maximum Temperature: Mechanical, °C 870
980
Melting Completion (Liquidus), °C 1440
1500
Melting Onset (Solidus), °C 1400
1450
Specific Heat Capacity, J/kg-K 480
440
Thermal Expansion, µm/m-K 10
12

Otherwise Unclassified Properties

Base Metal Price, % relative 12
60
Density, g/cm3 7.8
8.6
Embodied Carbon, kg CO2/kg material 2.6
10
Embodied Energy, MJ/kg 36
140
Embodied Water, L/kg 130
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 140
380
Resilience: Unit (Modulus of Resilience), kJ/m3 960 to 2270
490
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 31 to 39
29
Strength to Weight: Bending, points 26 to 30
24
Thermal Shock Resistance, points 31 to 39
24

Alloy Composition

Aluminum (Al), % 0
0.050 to 0.5
Carbon (C), % 0 to 0.060
0 to 0.030
Chromium (Cr), % 15.5 to 17.5
19 to 21
Cobalt (Co), % 0
0 to 1.0
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 74.4 to 80.5
12 to 16
Manganese (Mn), % 0 to 1.0
0 to 0.5
Molybdenum (Mo), % 0 to 0.7
9.5 to 12.5
Nickel (Ni), % 4.0 to 5.5
44.4 to 58.9
Niobium (Nb), % 0
0.050 to 0.5
Nitrogen (N), % 0
0.050 to 0.2
Phosphorus (P), % 0 to 0.035
0 to 0.020
Silicon (Si), % 0 to 0.8
0 to 0.5
Sulfur (S), % 0 to 0.020
0 to 0.010
Tungsten (W), % 0
0.5 to 2.5