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AISI 422 Stainless Steel vs. S20910 Stainless Steel

Both AISI 422 stainless steel and S20910 stainless steel are iron alloys. They have 72% of their average alloy composition in common. There are 32 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 S20910 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260 to 330
230 to 290
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 15 to 17
14 to 39
Fatigue Strength, MPa 410 to 500
310 to 460
Poisson's Ratio 0.28
0.28
Reduction in Area, % 34 to 40
56 to 62
Shear Modulus, GPa 76
79
Shear Strength, MPa 560 to 660
500 to 570
Tensile Strength: Ultimate (UTS), MPa 910 to 1080
780 to 940
Tensile Strength: Yield (Proof), MPa 670 to 870
430 to 810

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Corrosion, °C 380
460
Maximum Temperature: Mechanical, °C 650
1080
Melting Completion (Liquidus), °C 1480
1420
Melting Onset (Solidus), °C 1470
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 24
13
Thermal Expansion, µm/m-K 10
16

Otherwise Unclassified Properties

Base Metal Price, % relative 11
22
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.1
4.8
Embodied Energy, MJ/kg 44
68
Embodied Water, L/kg 100
180

Common Calculations

PREN (Pitting Resistance) 17
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 150
120 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 1140 to 1910
460 to 1640
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32 to 38
28 to 33
Strength to Weight: Bending, points 26 to 30
24 to 27
Thermal Diffusivity, mm2/s 6.4
3.6
Thermal Shock Resistance, points 33 to 39
17 to 21

Alloy Composition

Carbon (C), % 0.2 to 0.25
0 to 0.060
Chromium (Cr), % 11 to 12.5
20.5 to 23.5
Iron (Fe), % 81.9 to 85.8
52.1 to 62.1
Manganese (Mn), % 0.5 to 1.0
4.0 to 6.0
Molybdenum (Mo), % 0.9 to 1.3
1.5 to 3.0
Nickel (Ni), % 0.5 to 1.0
11.5 to 13.5
Niobium (Nb), % 0
0.1 to 0.3
Nitrogen (N), % 0
0.2 to 0.4
Phosphorus (P), % 0 to 0.025
0 to 0.040
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
0.1 to 0.3