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SAE-AISI H22 Steel vs. S20161 Stainless Steel

Both SAE-AISI H22 steel and S20161 stainless steel are iron alloys. They have 73% 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 S20161 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
76
Tensile Strength: Ultimate (UTS), MPa 700 to 1920
980

Thermal Properties

Latent Heat of Fusion, J/g 250
330
Melting Completion (Liquidus), °C 1670
1380
Melting Onset (Solidus), °C 1620
1330
Specific Heat Capacity, J/kg-K 440
490
Thermal Conductivity, W/m-K 31
15
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 28
12
Density, g/cm3 8.7
7.5
Embodied Carbon, kg CO2/kg material 4.9
2.7
Embodied Energy, MJ/kg 73
39
Embodied Water, L/kg 72
130

Common Calculations

PREN (Pitting Resistance) 21
19
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 22
26
Strength to Weight: Axial, points 22 to 61
36
Strength to Weight: Bending, points 20 to 39
29
Thermal Diffusivity, mm2/s 8.2
4.0
Thermal Shock Resistance, points 22 to 60
22

Alloy Composition

Carbon (C), % 0.3 to 0.4
0 to 0.15
Chromium (Cr), % 1.8 to 3.8
15 to 18
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 82.2 to 87.4
65.6 to 73.9
Manganese (Mn), % 0.15 to 0.4
4.0 to 6.0
Nickel (Ni), % 0 to 0.3
4.0 to 6.0
Nitrogen (N), % 0
0.080 to 0.2
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.15 to 0.4
3.0 to 4.0
Sulfur (S), % 0 to 0.030
0 to 0.040
Tungsten (W), % 10 to 11.8
0
Vanadium (V), % 0.25 to 0.5
0