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SAE-AISI H24 Steel vs. S32750 Stainless Steel

Both SAE-AISI H24 steel and S32750 stainless steel are iron alloys. They have 66% 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 H24 steel and the bottom bar is S32750 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 78
81
Tensile Strength: Ultimate (UTS), MPa 720 to 1990
860

Thermal Properties

Latent Heat of Fusion, J/g 240
300
Melting Completion (Liquidus), °C 1750
1450
Melting Onset (Solidus), °C 1700
1400
Specific Heat Capacity, J/kg-K 420
480
Thermal Conductivity, W/m-K 27
15
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 37
21
Density, g/cm3 9.1
7.8
Embodied Carbon, kg CO2/kg material 6.1
4.1
Embodied Energy, MJ/kg 93
56
Embodied Water, L/kg 78
180

Common Calculations

PREN (Pitting Resistance) 28
43
Stiffness to Weight: Axial, points 12
15
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 22 to 61
31
Strength to Weight: Bending, points 20 to 39
26
Thermal Diffusivity, mm2/s 6.9
4.0
Thermal Shock Resistance, points 22 to 61
25

Alloy Composition

Carbon (C), % 0.42 to 0.53
0 to 0.030
Chromium (Cr), % 2.5 to 3.5
24 to 26
Copper (Cu), % 0 to 0.25
0 to 0.5
Iron (Fe), % 78 to 82.4
58.1 to 66.8
Manganese (Mn), % 0.15 to 0.4
0 to 1.2
Molybdenum (Mo), % 0
3.0 to 5.0
Nickel (Ni), % 0 to 0.3
6.0 to 8.0
Nitrogen (N), % 0
0.24 to 0.32
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0.15 to 0.4
0 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.020
Tungsten (W), % 14 to 16
0
Vanadium (V), % 0.4 to 0.6
0