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N08800 Stainless Steel vs. AISI 422 Stainless Steel

Both N08800 stainless steel and AISI 422 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 (4, in this case) are not shown.

For each property being compared, the top bar is N08800 stainless steel and the bottom bar is AISI 422 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 4.5 to 34
15 to 17
Fatigue Strength, MPa 150 to 390
410 to 500
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Shear Strength, MPa 340 to 580
560 to 660
Tensile Strength: Ultimate (UTS), MPa 500 to 1000
910 to 1080
Tensile Strength: Yield (Proof), MPa 190 to 830
670 to 870

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Corrosion, °C 490
380
Maximum Temperature: Mechanical, °C 1100
650
Melting Completion (Liquidus), °C 1390
1480
Melting Onset (Solidus), °C 1360
1470
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 12
24
Thermal Expansion, µm/m-K 14
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
4.7
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
5.3

Otherwise Unclassified Properties

Base Metal Price, % relative 30
11
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 5.3
3.1
Embodied Energy, MJ/kg 76
44
Embodied Water, L/kg 200
100

Common Calculations

PREN (Pitting Resistance) 21
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 42 to 160
140 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 96 to 1740
1140 to 1910
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 18 to 35
32 to 38
Strength to Weight: Bending, points 18 to 28
26 to 30
Thermal Diffusivity, mm2/s 3.0
6.4
Thermal Shock Resistance, points 13 to 25
33 to 39

Alloy Composition

Aluminum (Al), % 0.15 to 0.6
0
Carbon (C), % 0 to 0.1
0.2 to 0.25
Chromium (Cr), % 19 to 23
11 to 12.5
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 39.5 to 50.7
81.9 to 85.8
Manganese (Mn), % 0 to 1.5
0.5 to 1.0
Molybdenum (Mo), % 0
0.9 to 1.3
Nickel (Ni), % 30 to 35
0.5 to 1.0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.025
Titanium (Ti), % 0.15 to 0.6
0
Tungsten (W), % 0
0.9 to 1.3
Vanadium (V), % 0
0.2 to 0.3