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SAE-AISI H41 Steel vs. AISI 422 Stainless Steel

Both SAE-AISI H41 steel and AISI 422 stainless steel are iron alloys. They have a moderately high 90% 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 SAE-AISI H41 steel and the bottom bar is AISI 422 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 77
76
Tensile Strength: Ultimate (UTS), MPa 710 to 2210
910 to 1080

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1560
1480
Melting Onset (Solidus), °C 1510
1470
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 28
24
Thermal Expansion, µm/m-K 12
10

Otherwise Unclassified Properties

Base Metal Price, % relative 18
11
Density, g/cm3 8.1
7.9
Embodied Carbon, kg CO2/kg material 6.8
3.1
Embodied Energy, MJ/kg 97
44
Embodied Water, L/kg 97
100

Common Calculations

PREN (Pitting Resistance) 35
17
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24 to 76
32 to 38
Strength to Weight: Bending, points 22 to 47
26 to 30
Thermal Diffusivity, mm2/s 7.7
6.4
Thermal Shock Resistance, points 20 to 64
33 to 39

Alloy Composition

Carbon (C), % 0.6 to 0.75
0.2 to 0.25
Chromium (Cr), % 3.5 to 4.0
11 to 12.5
Iron (Fe), % 81.8 to 85
81.9 to 85.8
Manganese (Mn), % 0.15 to 0.4
0.5 to 1.0
Molybdenum (Mo), % 8.2 to 9.2
0.9 to 1.3
Nickel (Ni), % 0
0.5 to 1.0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0.2 to 0.45
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.025
Tungsten (W), % 1.4 to 2.1
0.9 to 1.3
Vanadium (V), % 1.0 to 1.3
0.2 to 0.3

Comparable Variants