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AISI 422 Stainless Steel vs. AISI 414 Stainless Steel

Both AISI 422 stainless steel and AISI 414 stainless steel are iron alloys. They have a very high 97% of their average alloy composition in common. There are 33 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 AISI 422 stainless steel and the bottom bar is AISI 414 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 15 to 17
17
Fatigue Strength, MPa 410 to 500
430 to 480
Poisson's Ratio 0.28
0.28
Reduction in Area, % 34 to 40
50
Shear Modulus, GPa 76
76
Shear Strength, MPa 560 to 660
550 to 590
Tensile Strength: Ultimate (UTS), MPa 910 to 1080
900 to 960
Tensile Strength: Yield (Proof), MPa 670 to 870
700 to 790

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Corrosion, °C 380
390
Maximum Temperature: Mechanical, °C 650
750
Melting Completion (Liquidus), °C 1480
1440
Melting Onset (Solidus), °C 1470
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 24
25
Thermal Expansion, µm/m-K 10
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.7
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 5.3
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 11
8.0
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.1
2.1
Embodied Energy, MJ/kg 44
29
Embodied Water, L/kg 100
100

Common Calculations

PREN (Pitting Resistance) 17
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 150
140 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 1140 to 1910
1260 to 1590
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32 to 38
32 to 34
Strength to Weight: Bending, points 26 to 30
27 to 28
Thermal Diffusivity, mm2/s 6.4
6.7
Thermal Shock Resistance, points 33 to 39
33 to 35

Alloy Composition

Carbon (C), % 0.2 to 0.25
0 to 0.15
Chromium (Cr), % 11 to 12.5
11.5 to 13.5
Iron (Fe), % 81.9 to 85.8
81.8 to 87.3
Manganese (Mn), % 0.5 to 1.0
0 to 1.0
Molybdenum (Mo), % 0.9 to 1.3
0
Nickel (Ni), % 0.5 to 1.0
1.3 to 2.5
Phosphorus (P), % 0 to 0.025
0 to 0.040
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

Comparable Variants