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SAE-AISI H22 Steel vs. N08028 Stainless Steel

Both SAE-AISI H22 steel and N08028 stainless steel are iron alloys. They have a modest 38% of their average alloy composition in common, which, by itself, doesn't mean much. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H22 steel and the bottom bar is N08028 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
80
Tensile Strength: Ultimate (UTS), MPa 700 to 1920
570

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Melting Completion (Liquidus), °C 1670
1420
Melting Onset (Solidus), °C 1620
1370
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 31
12
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 28
37
Density, g/cm3 8.7
8.1
Embodied Carbon, kg CO2/kg material 4.9
6.4
Embodied Energy, MJ/kg 73
89
Embodied Water, L/kg 72
240

Common Calculations

PREN (Pitting Resistance) 21
39
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 22 to 61
19
Strength to Weight: Bending, points 20 to 39
19
Thermal Diffusivity, mm2/s 8.2
3.2
Thermal Shock Resistance, points 22 to 60
12

Alloy Composition

Carbon (C), % 0.3 to 0.4
0 to 0.030
Chromium (Cr), % 1.8 to 3.8
26 to 28
Copper (Cu), % 0 to 0.25
0.6 to 1.4
Iron (Fe), % 82.2 to 87.4
29 to 40.4
Manganese (Mn), % 0.15 to 0.4
0 to 2.5
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 0 to 0.3
30 to 34
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.15 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 10 to 11.8
0
Vanadium (V), % 0.25 to 0.5
0