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AISI 420 Stainless Steel vs. N07773 Nickel

AISI 420 stainless steel belongs to the iron alloys classification, while N07773 nickel belongs to the nickel alloys. They have a modest 30% of their average alloy composition in common, which, by itself, doesn't mean much. There are 26 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is AISI 420 stainless steel and the bottom bar is N07773 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 8.0 to 15
40
Fatigue Strength, MPa 220 to 670
220
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
77
Shear Strength, MPa 420 to 1010
480
Tensile Strength: Ultimate (UTS), MPa 690 to 1720
710
Tensile Strength: Yield (Proof), MPa 380 to 1310
270

Thermal Properties

Latent Heat of Fusion, J/g 280
320
Maximum Temperature: Mechanical, °C 620
990
Melting Completion (Liquidus), °C 1510
1510
Melting Onset (Solidus), °C 1450
1460
Specific Heat Capacity, J/kg-K 480
450
Thermal Expansion, µm/m-K 10
13

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
75
Density, g/cm3 7.7
8.5
Embodied Carbon, kg CO2/kg material 2.0
13
Embodied Energy, MJ/kg 28
180
Embodied Water, L/kg 100
260

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 88 to 130
220
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 4410
180
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 25 to 62
23
Strength to Weight: Bending, points 22 to 41
21
Thermal Shock Resistance, points 25 to 62
20

Alloy Composition

Aluminum (Al), % 0
0 to 2.0
Carbon (C), % 0.15 to 0.4
0 to 0.030
Chromium (Cr), % 12 to 14
18 to 27
Iron (Fe), % 82.3 to 87.9
0 to 32
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
2.5 to 5.5
Nickel (Ni), % 0 to 0.75
45 to 60
Niobium (Nb), % 0
2.5 to 6.0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
0 to 2.0
Tungsten (W), % 0
0 to 6.0