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SAE-AISI H24 Steel vs. S33425 Stainless Steel

Both SAE-AISI H24 steel and S33425 stainless steel are iron alloys. They have 56% 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 H24 steel and the bottom bar is S33425 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 78
79
Tensile Strength: Ultimate (UTS), MPa 720 to 1990
580

Thermal Properties

Latent Heat of Fusion, J/g 240
300
Melting Completion (Liquidus), °C 1750
1430
Melting Onset (Solidus), °C 1700
1380
Specific Heat Capacity, J/kg-K 420
470
Thermal Conductivity, W/m-K 27
14
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 37
27
Density, g/cm3 9.1
7.9
Embodied Carbon, kg CO2/kg material 6.1
5.1
Embodied Energy, MJ/kg 93
71
Embodied Water, L/kg 78
190

Common Calculations

PREN (Pitting Resistance) 28
30
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 22 to 61
20
Strength to Weight: Bending, points 20 to 39
19
Thermal Diffusivity, mm2/s 6.9
3.7
Thermal Shock Resistance, points 22 to 61
13

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.6
Carbon (C), % 0.42 to 0.53
0 to 0.080
Chromium (Cr), % 2.5 to 3.5
21 to 23
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 78 to 82.4
47.2 to 56.7
Manganese (Mn), % 0.15 to 0.4
0 to 1.5
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0 to 0.3
20 to 23
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0.15 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.020
Titanium (Ti), % 0
0.15 to 0.6
Tungsten (W), % 14 to 16
0
Vanadium (V), % 0.4 to 0.6
0