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AISI 422 Stainless Steel vs. SAE-AISI M46 Steel

Both AISI 422 stainless steel and SAE-AISI M46 steel are iron alloys. They have 79% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is AISI 422 stainless steel and the bottom bar is SAE-AISI M46 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
77
Tensile Strength: Ultimate (UTS), MPa 910 to 1080
800 to 2300

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1480
1540
Melting Onset (Solidus), °C 1470
1500
Specific Heat Capacity, J/kg-K 470
450
Thermal Conductivity, W/m-K 24
18
Thermal Expansion, µm/m-K 10
12

Otherwise Unclassified Properties

Base Metal Price, % relative 11
33
Density, g/cm3 7.9
8.1
Embodied Carbon, kg CO2/kg material 3.1
12
Embodied Energy, MJ/kg 44
180
Embodied Water, L/kg 100
150

Common Calculations

PREN (Pitting Resistance) 17
35
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 32 to 38
27 to 78
Strength to Weight: Bending, points 26 to 30
24 to 48
Thermal Diffusivity, mm2/s 6.4
4.9
Thermal Shock Resistance, points 33 to 39
25 to 71

Alloy Composition

Carbon (C), % 0.2 to 0.25
1.2 to 1.3
Chromium (Cr), % 11 to 12.5
3.7 to 4.2
Cobalt (Co), % 0
7.8 to 8.8
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 81.9 to 85.8
70 to 73.8
Manganese (Mn), % 0.5 to 1.0
0.2 to 0.4
Molybdenum (Mo), % 0.9 to 1.3
8.0 to 8.5
Nickel (Ni), % 0.5 to 1.0
0 to 0.3
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.5
0.4 to 0.65
Sulfur (S), % 0 to 0.025
0 to 0.030
Tungsten (W), % 0.9 to 1.3
1.9 to 2.2
Vanadium (V), % 0.2 to 0.3
3.0 to 3.3

Comparable Variants