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SAE-AISI H22 Steel vs. S32803 Stainless Steel

Both SAE-AISI H22 steel and S32803 stainless steel are iron alloys. They have 68% 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 S32803 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
680

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Melting Completion (Liquidus), °C 1670
1450
Melting Onset (Solidus), °C 1620
1400
Specific Heat Capacity, J/kg-K 440
480
Thermal Conductivity, W/m-K 31
16
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 28
19
Density, g/cm3 8.7
7.7
Embodied Carbon, kg CO2/kg material 4.9
3.7
Embodied Energy, MJ/kg 73
53
Embodied Water, L/kg 72
180

Common Calculations

PREN (Pitting Resistance) 21
36
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 22 to 61
25
Strength to Weight: Bending, points 20 to 39
22
Thermal Diffusivity, mm2/s 8.2
4.4
Thermal Shock Resistance, points 22 to 60
22

Alloy Composition

Carbon (C), % 0.3 to 0.4
0 to 0.015
Chromium (Cr), % 1.8 to 3.8
28 to 29
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 82.2 to 87.4
62.9 to 67.1
Manganese (Mn), % 0.15 to 0.4
0 to 0.5
Molybdenum (Mo), % 0
1.8 to 2.5
Nickel (Ni), % 0 to 0.3
3.0 to 4.0
Niobium (Nb), % 0
0.15 to 0.5
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0.15 to 0.4
0 to 0.55
Sulfur (S), % 0 to 0.030
0 to 0.0035
Tungsten (W), % 10 to 11.8
0
Vanadium (V), % 0.25 to 0.5
0