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SAE-AISI H22 Steel vs. S44537 Stainless Steel

Both SAE-AISI H22 steel and S44537 stainless 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 (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 S44537 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 77
79
Tensile Strength: Ultimate (UTS), MPa 700 to 1920
510

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Melting Completion (Liquidus), °C 1670
1480
Melting Onset (Solidus), °C 1620
1430
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 31
21
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 28
19
Density, g/cm3 8.7
7.9
Embodied Carbon, kg CO2/kg material 4.9
3.4
Embodied Energy, MJ/kg 73
50
Embodied Water, L/kg 72
140

Common Calculations

PREN (Pitting Resistance) 21
26
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 22 to 61
18
Strength to Weight: Bending, points 20 to 39
18
Thermal Diffusivity, mm2/s 8.2
5.6
Thermal Shock Resistance, points 22 to 60
17

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Carbon (C), % 0.3 to 0.4
0 to 0.030
Chromium (Cr), % 1.8 to 3.8
20 to 24
Copper (Cu), % 0 to 0.25
0 to 0.5
Iron (Fe), % 82.2 to 87.4
69 to 78.6
Lanthanum (La), % 0
0.040 to 0.2
Manganese (Mn), % 0.15 to 0.4
0 to 0.8
Nickel (Ni), % 0 to 0.3
0 to 0.5
Niobium (Nb), % 0
0.2 to 1.0
Nitrogen (N), % 0
0 to 0.040
Phosphorus (P), % 0 to 0.030
0 to 0.050
Silicon (Si), % 0.15 to 0.4
0.1 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.0060
Titanium (Ti), % 0
0.020 to 0.2
Tungsten (W), % 10 to 11.8
1.0 to 3.0
Vanadium (V), % 0.25 to 0.5
0