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AISI 420 Stainless Steel vs. N09777 Nickel

AISI 420 stainless steel belongs to the iron alloys classification, while N09777 nickel belongs to the nickel alloys. They have 52% of their average alloy composition in common. There are 27 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 AISI 420 stainless steel and the bottom bar is N09777 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 8.0 to 15
39
Fatigue Strength, MPa 220 to 670
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
77
Shear Strength, MPa 420 to 1010
400
Tensile Strength: Ultimate (UTS), MPa 690 to 1720
580
Tensile Strength: Yield (Proof), MPa 380 to 1310
240

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Mechanical, °C 620
960
Melting Completion (Liquidus), °C 1510
1440
Melting Onset (Solidus), °C 1450
1390
Specific Heat Capacity, J/kg-K 480
460
Thermal Expansion, µm/m-K 10
13

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
38
Density, g/cm3 7.7
8.1
Embodied Carbon, kg CO2/kg material 2.0
7.4
Embodied Energy, MJ/kg 28
100
Embodied Water, L/kg 100
200

Common Calculations

PREN (Pitting Resistance) 14
30
Resilience: Ultimate (Unit Rupture Work), MJ/m3 88 to 130
180
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 4410
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25 to 62
20
Strength to Weight: Bending, points 22 to 41
19
Thermal Shock Resistance, points 25 to 62
16

Alloy Composition

Aluminum (Al), % 0
0 to 0.35
Carbon (C), % 0.15 to 0.4
0 to 0.030
Chromium (Cr), % 12 to 14
14 to 19
Iron (Fe), % 82.3 to 87.9
28.5 to 47.5
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
34 to 42
Niobium (Nb), % 0
0 to 0.1
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
2.0 to 3.0