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AISI 420 Stainless Steel vs. EN 2.4633 Nickel

AISI 420 stainless steel belongs to the iron alloys classification, while EN 2.4633 nickel belongs to the nickel alloys. They have a modest 24% of their average alloy composition in common, which, by itself, doesn't mean much. 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 2.4633 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 8.0 to 15
34
Fatigue Strength, MPa 220 to 670
230
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Shear Strength, MPa 420 to 1010
510
Tensile Strength: Ultimate (UTS), MPa 690 to 1720
760
Tensile Strength: Yield (Proof), MPa 380 to 1310
310

Thermal Properties

Latent Heat of Fusion, J/g 280
320
Maximum Temperature: Mechanical, °C 620
1000
Melting Completion (Liquidus), °C 1510
1350
Melting Onset (Solidus), °C 1450
1300
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 27
11
Thermal Expansion, µm/m-K 10
13

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
50
Density, g/cm3 7.7
8.2
Embodied Carbon, kg CO2/kg material 2.0
8.4
Embodied Energy, MJ/kg 28
120
Embodied Water, L/kg 100
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 88 to 130
210
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 4410
240
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25 to 62
26
Strength to Weight: Bending, points 22 to 41
23
Thermal Diffusivity, mm2/s 7.3
2.9
Thermal Shock Resistance, points 25 to 62
22

Alloy Composition

Aluminum (Al), % 0
1.8 to 2.4
Carbon (C), % 0.15 to 0.4
0.15 to 0.25
Chromium (Cr), % 12 to 14
24 to 26
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 82.3 to 87.9
8.0 to 11
Manganese (Mn), % 0 to 1.0
0 to 0.5
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 0 to 0.75
58.8 to 65.9
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
0.1 to 0.2
Yttrium (Y), % 0
0.050 to 0.12
Zirconium (Zr), % 0
0.010 to 0.1