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SAE-AISI M3 Class 2 Steel vs. R60706 Alloy

SAE-AISI M3 class 2 steel belongs to the iron alloys classification, while R60706 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 M3 class 2 steel and the bottom bar is R60706 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 77
37
Tensile Strength: Ultimate (UTS), MPa 770 to 2210
580

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Specific Heat Capacity, J/kg-K 440
270
Thermal Conductivity, W/m-K 26
17
Thermal Expansion, µm/m-K 12
6.3

Otherwise Unclassified Properties

Density, g/cm3 8.3
6.7
Embodied Water, L/kg 110
450

Common Calculations

Stiffness to Weight: Axial, points 13
8.1
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 26 to 74
24
Strength to Weight: Bending, points 22 to 45
23
Thermal Diffusivity, mm2/s 7.2
9.5
Thermal Shock Resistance, points 24 to 69
67

Alloy Composition

Carbon (C), % 1.2 to 1.3
0 to 0.050
Chromium (Cr), % 3.8 to 4.5
0 to 0.2
Copper (Cu), % 0 to 0.25
0
Hafnium (Hf), % 0
0 to 4.5
Hydrogen (H), % 0
0 to 0.0050
Iron (Fe), % 75.8 to 82.3
0 to 0.2
Manganese (Mn), % 0.15 to 0.4
0
Molybdenum (Mo), % 4.8 to 6.5
0
Nickel (Ni), % 0 to 0.3
0
Niobium (Nb), % 0
2.0 to 3.0
Nitrogen (N), % 0
0 to 0.025
Oxygen (O), % 0
0 to 0.16
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.2 to 0.45
0
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 5.0 to 6.8
0
Vanadium (V), % 2.8 to 3.8
0
Zirconium (Zr), % 0
91 to 98