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SAE-AISI H23 Steel vs. S32001 Stainless Steel

Both SAE-AISI H23 steel and S32001 stainless steel are iron alloys. They have 84% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H23 steel and the bottom bar is S32001 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
78
Tensile Strength: Ultimate (UTS), MPa 760 to 1550
690

Thermal Properties

Latent Heat of Fusion, J/g 260
290
Melting Completion (Liquidus), °C 1680
1420
Melting Onset (Solidus), °C 1630
1370
Specific Heat Capacity, J/kg-K 440
480
Thermal Conductivity, W/m-K 20
15
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 34
12
Density, g/cm3 8.7
7.7
Embodied Carbon, kg CO2/kg material 6.9
2.6
Embodied Energy, MJ/kg 110
37
Embodied Water, L/kg 120
150

Common Calculations

PREN (Pitting Resistance) 32
23
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 24 to 49
25
Strength to Weight: Bending, points 21 to 34
23
Thermal Diffusivity, mm2/s 5.2
4.0
Thermal Shock Resistance, points 23 to 47
19

Alloy Composition

Carbon (C), % 0.25 to 0.35
0 to 0.030
Chromium (Cr), % 11 to 12.8
19.5 to 21.5
Copper (Cu), % 0 to 0.25
0 to 1.0
Iron (Fe), % 71.3 to 76.7
66.6 to 75.5
Manganese (Mn), % 0.15 to 0.4
4.0 to 6.0
Molybdenum (Mo), % 0
0 to 0.6
Nickel (Ni), % 0 to 0.3
1.0 to 3.0
Nitrogen (N), % 0
0.050 to 0.17
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.15 to 0.6
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 11 to 12.8
0
Vanadium (V), % 0.75 to 1.3
0