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S32304 Stainless Steel vs. SAE-AISI H22 Steel

Both S32304 stainless steel and SAE-AISI H22 steel are iron alloys. They have 74% 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 S32304 stainless steel and the bottom bar is SAE-AISI H22 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
77
Tensile Strength: Ultimate (UTS), MPa 670
700 to 1920

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Melting Completion (Liquidus), °C 1420
1670
Melting Onset (Solidus), °C 1380
1620
Specific Heat Capacity, J/kg-K 480
440
Thermal Conductivity, W/m-K 15
31
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 14
28
Density, g/cm3 7.7
8.7
Embodied Carbon, kg CO2/kg material 2.8
4.9
Embodied Energy, MJ/kg 40
73
Embodied Water, L/kg 160
72

Common Calculations

PREN (Pitting Resistance) 26
21
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 24
22 to 61
Strength to Weight: Bending, points 22
20 to 39
Thermal Diffusivity, mm2/s 4.0
8.2
Thermal Shock Resistance, points 18
22 to 60

Alloy Composition

Carbon (C), % 0 to 0.030
0.3 to 0.4
Chromium (Cr), % 21.5 to 24.5
1.8 to 3.8
Copper (Cu), % 0.050 to 0.6
0 to 0.25
Iron (Fe), % 65 to 75.4
82.2 to 87.4
Manganese (Mn), % 0 to 2.5
0.15 to 0.4
Molybdenum (Mo), % 0.050 to 0.6
0
Nickel (Ni), % 3.0 to 5.5
0 to 0.3
Nitrogen (N), % 0.050 to 0.2
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0.15 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
10 to 11.8
Vanadium (V), % 0
0.25 to 0.5