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S44626 Stainless Steel vs. AISI 422 Stainless Steel

Both S44626 stainless steel and AISI 422 stainless steel are iron alloys. They have 85% 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 S44626 stainless steel and the bottom bar is AISI 422 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
260 to 330
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 23
15 to 17
Fatigue Strength, MPa 230
410 to 500
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
76
Shear Strength, MPa 340
560 to 660
Tensile Strength: Ultimate (UTS), MPa 540
910 to 1080
Tensile Strength: Yield (Proof), MPa 350
670 to 870

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Corrosion, °C 560
380
Maximum Temperature: Mechanical, °C 1100
650
Melting Completion (Liquidus), °C 1440
1480
Melting Onset (Solidus), °C 1390
1470
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
24
Thermal Expansion, µm/m-K 11
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
4.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
5.3

Otherwise Unclassified Properties

Base Metal Price, % relative 14
11
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.9
3.1
Embodied Energy, MJ/kg 42
44
Embodied Water, L/kg 160
100

Common Calculations

PREN (Pitting Resistance) 30
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
140 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 300
1140 to 1910
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 19
32 to 38
Strength to Weight: Bending, points 19
26 to 30
Thermal Diffusivity, mm2/s 4.6
6.4
Thermal Shock Resistance, points 18
33 to 39

Alloy Composition

Carbon (C), % 0 to 0.060
0.2 to 0.25
Chromium (Cr), % 25 to 27
11 to 12.5
Copper (Cu), % 0 to 0.2
0
Iron (Fe), % 68.1 to 74.1
81.9 to 85.8
Manganese (Mn), % 0 to 0.75
0.5 to 1.0
Molybdenum (Mo), % 0.75 to 1.5
0.9 to 1.3
Nickel (Ni), % 0 to 0.5
0.5 to 1.0
Nitrogen (N), % 0 to 0.040
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 0.75
0 to 0.5
Sulfur (S), % 0 to 0.020
0 to 0.025
Titanium (Ti), % 0.2 to 1.0
0
Tungsten (W), % 0
0.9 to 1.3
Vanadium (V), % 0
0.2 to 0.3