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AISI 422 Stainless Steel vs. S45500 Stainless Steel

Both AISI 422 stainless steel and S45500 stainless steel are iron alloys. They have 89% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AISI 422 stainless steel and the bottom bar is S45500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260 to 330
280 to 500
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 15 to 17
3.4 to 11
Fatigue Strength, MPa 410 to 500
570 to 890
Poisson's Ratio 0.28
0.28
Reduction in Area, % 34 to 40
34 to 45
Rockwell C Hardness 21
32 to 54
Shear Modulus, GPa 76
75
Shear Strength, MPa 560 to 660
790 to 1090
Tensile Strength: Ultimate (UTS), MPa 910 to 1080
1370 to 1850
Tensile Strength: Yield (Proof), MPa 670 to 870
1240 to 1700

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Maximum Temperature: Corrosion, °C 380
620
Maximum Temperature: Mechanical, °C 650
760
Melting Completion (Liquidus), °C 1480
1440
Melting Onset (Solidus), °C 1470
1400
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 10
11

Otherwise Unclassified Properties

Base Metal Price, % relative 11
17
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 3.1
3.8
Embodied Energy, MJ/kg 44
57
Embodied Water, L/kg 100
120

Common Calculations

PREN (Pitting Resistance) 17
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 150
45 to 190
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 32 to 38
48 to 65
Strength to Weight: Bending, points 26 to 30
35 to 42
Thermal Shock Resistance, points 33 to 39
48 to 64

Alloy Composition

Carbon (C), % 0.2 to 0.25
0 to 0.050
Chromium (Cr), % 11 to 12.5
11 to 12.5
Copper (Cu), % 0
1.5 to 2.5
Iron (Fe), % 81.9 to 85.8
71.5 to 79.2
Manganese (Mn), % 0.5 to 1.0
0 to 0.5
Molybdenum (Mo), % 0.9 to 1.3
0 to 0.5
Nickel (Ni), % 0.5 to 1.0
7.5 to 9.5
Niobium (Nb), % 0
0 to 0.5
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.025
0 to 0.030
Tantalum (Ta), % 0
0 to 0.5
Titanium (Ti), % 0
0.8 to 1.4
Tungsten (W), % 0.9 to 1.3
0
Vanadium (V), % 0.2 to 0.3
0