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N08801 Stainless Steel vs. AISI 420 Stainless Steel

Both N08801 stainless steel and AISI 420 stainless steel are iron alloys. They have 59% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is N08801 stainless steel and the bottom bar is AISI 420 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
8.0 to 15
Fatigue Strength, MPa 260
220 to 670
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Shear Strength, MPa 570
420 to 1010
Tensile Strength: Ultimate (UTS), MPa 860
690 to 1720
Tensile Strength: Yield (Proof), MPa 190
380 to 1310

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 630
390
Maximum Temperature: Mechanical, °C 1090
620
Melting Completion (Liquidus), °C 1390
1510
Melting Onset (Solidus), °C 1360
1450
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 12
27
Thermal Expansion, µm/m-K 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
3.5

Otherwise Unclassified Properties

Base Metal Price, % relative 30
7.5
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 5.5
2.0
Embodied Energy, MJ/kg 79
28
Embodied Water, L/kg 200
100

Common Calculations

PREN (Pitting Resistance) 21
14
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
88 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 92
380 to 4410
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 30
25 to 62
Strength to Weight: Bending, points 25
22 to 41
Thermal Diffusivity, mm2/s 3.3
7.3
Thermal Shock Resistance, points 20
25 to 62

Alloy Composition

Carbon (C), % 0 to 0.1
0.15 to 0.4
Chromium (Cr), % 19 to 22
12 to 14
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 39.5 to 50.3
82.3 to 87.9
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 30 to 34
0 to 0.75
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0.75 to 1.5
0