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SAE-AISI M33 Steel vs. R60802 Alloy

SAE-AISI M33 steel belongs to the iron alloys classification, while R60802 alloy belongs to the otherwise unclassified metals. There are 16 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M33 steel and the bottom bar is R60802 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
98
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 78
36
Tensile Strength: Ultimate (UTS), MPa 810 to 2210
430

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Specific Heat Capacity, J/kg-K 440
270
Thermal Conductivity, W/m-K 20
22
Thermal Expansion, µm/m-K 12
6.0

Otherwise Unclassified Properties

Density, g/cm3 8.2
6.5
Embodied Water, L/kg 150
290

Common Calculations

Stiffness to Weight: Axial, points 14
8.3
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 27 to 75
18
Strength to Weight: Bending, points 24 to 46
19
Thermal Diffusivity, mm2/s 5.5
12
Thermal Shock Resistance, points 25 to 68
53

Alloy Composition

Carbon (C), % 0.85 to 0.92
0
Chromium (Cr), % 3.5 to 4.0
0.050 to 0.15
Cobalt (Co), % 7.8 to 8.8
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 71.4 to 76.3
0.070 to 0.2
Manganese (Mn), % 0.15 to 0.4
0
Molybdenum (Mo), % 9.0 to 10
0
Nickel (Ni), % 0 to 0.3
0.030 to 0.080
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.15 to 0.5
0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
1.2 to 1.7
Tungsten (W), % 1.3 to 2.1
0
Vanadium (V), % 1.0 to 1.4
0
Zirconium (Zr), % 0
97.8 to 98.7
Residuals, % 0
0 to 0.11