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AISI 422 Stainless Steel vs. AISI 301 Stainless Steel

Both AISI 422 stainless steel and AISI 301 stainless steel are iron alloys. They have 88% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is AISI 422 stainless steel and the bottom bar is AISI 301 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260 to 330
190 to 440
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 15 to 17
7.4 to 46
Fatigue Strength, MPa 410 to 500
210 to 600
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Shear Strength, MPa 560 to 660
410 to 860
Tensile Strength: Ultimate (UTS), MPa 910 to 1080
590 to 1460
Tensile Strength: Yield (Proof), MPa 670 to 870
230 to 1080

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Corrosion, °C 380
410
Maximum Temperature: Mechanical, °C 650
840
Melting Completion (Liquidus), °C 1480
1420
Melting Onset (Solidus), °C 1470
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 24
16
Thermal Expansion, µm/m-K 10
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.7
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 5.3
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 11
13
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.1
2.7
Embodied Energy, MJ/kg 44
39
Embodied Water, L/kg 100
130

Common Calculations

PREN (Pitting Resistance) 17
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 150
99 to 300
Resilience: Unit (Modulus of Resilience), kJ/m3 1140 to 1910
130 to 2970
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32 to 38
21 to 52
Strength to Weight: Bending, points 26 to 30
20 to 37
Thermal Diffusivity, mm2/s 6.4
4.2
Thermal Shock Resistance, points 33 to 39
12 to 31

Alloy Composition

Carbon (C), % 0.2 to 0.25
0 to 0.15
Chromium (Cr), % 11 to 12.5
16 to 18
Iron (Fe), % 81.9 to 85.8
70.7 to 78
Manganese (Mn), % 0.5 to 1.0
0 to 2.0
Molybdenum (Mo), % 0.9 to 1.3
0
Nickel (Ni), % 0.5 to 1.0
6.0 to 8.0
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.030
Tungsten (W), % 0.9 to 1.3
0
Vanadium (V), % 0.2 to 0.3
0