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SAE-AISI H24 Steel vs. R05240 Alloy

SAE-AISI H24 steel belongs to the iron alloys classification, while R05240 alloy belongs to the otherwise unclassified metals. There are 14 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 R05240 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
150
Poisson's Ratio 0.29
0.36
Shear Modulus, GPa 78
57
Tensile Strength: Ultimate (UTS), MPa 720 to 1990
270

Thermal Properties

Latent Heat of Fusion, J/g 240
210
Specific Heat Capacity, J/kg-K 420
190
Thermal Expansion, µm/m-K 12
6.8

Otherwise Unclassified Properties

Density, g/cm3 9.1
14
Embodied Water, L/kg 78
460

Common Calculations

Stiffness to Weight: Axial, points 12
6.3
Stiffness to Weight: Bending, points 22
13
Strength to Weight: Axial, points 22 to 61
5.4
Strength to Weight: Bending, points 20 to 39
6.8
Thermal Shock Resistance, points 22 to 61
18

Alloy Composition

Carbon (C), % 0.42 to 0.53
0 to 0.010
Chromium (Cr), % 2.5 to 3.5
0
Copper (Cu), % 0 to 0.25
0
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 78 to 82.4
0 to 0.010
Manganese (Mn), % 0.15 to 0.4
0
Molybdenum (Mo), % 0
0 to 0.020
Nickel (Ni), % 0 to 0.3
0 to 0.010
Niobium (Nb), % 0
35 to 42
Nitrogen (N), % 0
0 to 0.010
Oxygen (O), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.15 to 0.4
0 to 0.0050
Sulfur (S), % 0 to 0.030
0
Tantalum (Ta), % 0
57.9 to 65
Titanium (Ti), % 0
0 to 0.010
Tungsten (W), % 14 to 16
0 to 0.050
Vanadium (V), % 0.4 to 0.6
0