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SAE-AISI H22 Steel vs. S40910 Stainless Steel

Both SAE-AISI H22 steel and S40910 stainless steel are iron alloys. They have 88% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H22 steel and the bottom bar is S40910 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 77
75
Tensile Strength: Ultimate (UTS), MPa 700 to 1920
430

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Melting Completion (Liquidus), °C 1670
1450
Melting Onset (Solidus), °C 1620
1410
Specific Heat Capacity, J/kg-K 440
480
Thermal Conductivity, W/m-K 31
26
Thermal Expansion, µm/m-K 12
10

Otherwise Unclassified Properties

Base Metal Price, % relative 28
7.0
Density, g/cm3 8.7
7.8
Embodied Carbon, kg CO2/kg material 4.9
2.0
Embodied Energy, MJ/kg 73
28
Embodied Water, L/kg 72
94

Common Calculations

PREN (Pitting Resistance) 21
11
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 22 to 61
16
Strength to Weight: Bending, points 20 to 39
16
Thermal Diffusivity, mm2/s 8.2
6.9
Thermal Shock Resistance, points 22 to 60
16

Alloy Composition

Carbon (C), % 0.3 to 0.4
0 to 0.030
Chromium (Cr), % 1.8 to 3.8
10.5 to 11.7
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 82.2 to 87.4
85 to 89.5
Manganese (Mn), % 0.15 to 0.4
0 to 1.0
Nickel (Ni), % 0 to 0.3
0 to 0.5
Niobium (Nb), % 0
0 to 0.17
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.15 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.020
Titanium (Ti), % 0
0 to 0.5
Tungsten (W), % 10 to 11.8
0
Vanadium (V), % 0.25 to 0.5
0