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SAE-AISI H22 Steel vs. S39274 Stainless Steel

Both SAE-AISI H22 steel and S39274 stainless steel are iron alloys. They have 67% 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 H22 steel and the bottom bar is S39274 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 77
81
Tensile Strength: Ultimate (UTS), MPa 700 to 1920
900

Thermal Properties

Latent Heat of Fusion, J/g 250
300
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
16
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 28
24
Density, g/cm3 8.7
8.0
Embodied Carbon, kg CO2/kg material 4.9
4.3
Embodied Energy, MJ/kg 73
60
Embodied Water, L/kg 72
180

Common Calculations

PREN (Pitting Resistance) 21
43
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 22 to 61
32
Strength to Weight: Bending, points 20 to 39
26
Thermal Diffusivity, mm2/s 8.2
4.2
Thermal Shock Resistance, points 22 to 60
25

Alloy Composition

Carbon (C), % 0.3 to 0.4
0 to 0.030
Chromium (Cr), % 1.8 to 3.8
24 to 26
Copper (Cu), % 0 to 0.25
0.2 to 0.8
Iron (Fe), % 82.2 to 87.4
57 to 65.6
Manganese (Mn), % 0.15 to 0.4
0 to 1.0
Molybdenum (Mo), % 0
2.5 to 3.5
Nickel (Ni), % 0 to 0.3
6.0 to 8.0
Nitrogen (N), % 0
0.24 to 0.32
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.15 to 0.4
0 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.020
Tungsten (W), % 10 to 11.8
1.5 to 2.5
Vanadium (V), % 0.25 to 0.5
0