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AISI 422 Stainless Steel vs. S35140 Stainless Steel

Both AISI 422 stainless steel and S35140 stainless steel are iron alloys. They have 63% 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 S35140 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260 to 330
210
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 15 to 17
34
Fatigue Strength, MPa 410 to 500
250
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
78
Shear Strength, MPa 560 to 660
460
Tensile Strength: Ultimate (UTS), MPa 910 to 1080
690
Tensile Strength: Yield (Proof), MPa 670 to 870
310

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Corrosion, °C 380
500
Maximum Temperature: Mechanical, °C 650
1100
Melting Completion (Liquidus), °C 1480
1420
Melting Onset (Solidus), °C 1470
1370
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 24
14
Thermal Expansion, µm/m-K 10
16

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 11
31
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 3.1
5.5
Embodied Energy, MJ/kg 44
78
Embodied Water, L/kg 100
190

Common Calculations

PREN (Pitting Resistance) 17
28
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 150
190
Resilience: Unit (Modulus of Resilience), kJ/m3 1140 to 1910
250
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 32 to 38
24
Strength to Weight: Bending, points 26 to 30
22
Thermal Diffusivity, mm2/s 6.4
3.7
Thermal Shock Resistance, points 33 to 39
16

Alloy Composition

Carbon (C), % 0.2 to 0.25
0 to 0.1
Chromium (Cr), % 11 to 12.5
20 to 22
Iron (Fe), % 81.9 to 85.8
44.1 to 52.7
Manganese (Mn), % 0.5 to 1.0
1.0 to 3.0
Molybdenum (Mo), % 0.9 to 1.3
1.0 to 2.0
Nickel (Ni), % 0.5 to 1.0
25 to 27
Niobium (Nb), % 0
0.25 to 0.75
Nitrogen (N), % 0
0.080 to 0.2
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0 to 0.5
0 to 0.75
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