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SAE-AISI M33 Steel vs. R05240 Alloy

SAE-AISI M33 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 M33 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 810 to 2210
270

Thermal Properties

Latent Heat of Fusion, J/g 270
210
Specific Heat Capacity, J/kg-K 440
190
Thermal Expansion, µm/m-K 12
6.8

Otherwise Unclassified Properties

Density, g/cm3 8.2
14
Embodied Water, L/kg 150
460

Common Calculations

Stiffness to Weight: Axial, points 14
6.3
Stiffness to Weight: Bending, points 24
13
Strength to Weight: Axial, points 27 to 75
5.4
Strength to Weight: Bending, points 24 to 46
6.8
Thermal Shock Resistance, points 25 to 68
18

Alloy Composition

Carbon (C), % 0.85 to 0.92
0 to 0.010
Chromium (Cr), % 3.5 to 4.0
0
Cobalt (Co), % 7.8 to 8.8
0
Copper (Cu), % 0 to 0.25
0
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 71.4 to 76.3
0 to 0.010
Manganese (Mn), % 0.15 to 0.4
0
Molybdenum (Mo), % 9.0 to 10
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 0.5
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), % 1.3 to 2.1
0 to 0.050
Vanadium (V), % 1.0 to 1.4
0