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AISI 420 Stainless Steel vs. EN 2.4650 Nickel

AISI 420 stainless steel belongs to the iron alloys classification, while EN 2.4650 nickel belongs to the nickel alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is AISI 420 stainless steel and the bottom bar is EN 2.4650 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 8.0 to 15
34
Fatigue Strength, MPa 220 to 670
480
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
80
Shear Strength, MPa 420 to 1010
730
Tensile Strength: Ultimate (UTS), MPa 690 to 1720
1090
Tensile Strength: Yield (Proof), MPa 380 to 1310
650

Thermal Properties

Latent Heat of Fusion, J/g 280
320
Maximum Temperature: Mechanical, °C 620
1010
Melting Completion (Liquidus), °C 1510
1400
Melting Onset (Solidus), °C 1450
1350
Specific Heat Capacity, J/kg-K 480
450
Thermal Conductivity, W/m-K 27
12
Thermal Expansion, µm/m-K 10
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
80
Density, g/cm3 7.7
8.5
Embodied Carbon, kg CO2/kg material 2.0
10
Embodied Energy, MJ/kg 28
140
Embodied Water, L/kg 100
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 88 to 130
320
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 4410
1030
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 25 to 62
36
Strength to Weight: Bending, points 22 to 41
28
Thermal Diffusivity, mm2/s 7.3
3.1
Thermal Shock Resistance, points 25 to 62
33

Alloy Composition

Aluminum (Al), % 0
0.3 to 0.6
Boron (B), % 0
0 to 0.0050
Carbon (C), % 0.15 to 0.4
0.040 to 0.080
Chromium (Cr), % 12 to 14
19 to 21
Cobalt (Co), % 0
19 to 21
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 82.3 to 87.9
0 to 0.7
Manganese (Mn), % 0 to 1.0
0 to 0.6
Molybdenum (Mo), % 0 to 0.5
5.6 to 6.1
Nickel (Ni), % 0 to 0.75
46.9 to 54.2
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.0070
Titanium (Ti), % 0
1.9 to 2.4