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SAE-AISI M6 Steel vs. R60706 Alloy

SAE-AISI M6 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 M6 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 840 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 17
17
Thermal Expansion, µm/m-K 12
6.3

Otherwise Unclassified Properties

Density, g/cm3 8.4
6.7
Embodied Water, L/kg 160
450

Common Calculations

Stiffness to Weight: Axial, points 13
8.1
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 28 to 73
24
Strength to Weight: Bending, points 24 to 45
23
Thermal Diffusivity, mm2/s 4.7
9.5
Thermal Shock Resistance, points 26 to 68
67

Alloy Composition

Carbon (C), % 0.75 to 0.85
0 to 0.050
Chromium (Cr), % 3.8 to 4.5
0 to 0.2
Cobalt (Co), % 11 to 13
0
Hafnium (Hf), % 0
0 to 4.5
Hydrogen (H), % 0
0 to 0.0050
Iron (Fe), % 68.8 to 74.6
0 to 0.2
Manganese (Mn), % 0.15 to 0.4
0
Molybdenum (Mo), % 4.5 to 5.5
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), % 3.8 to 4.8
0
Vanadium (V), % 1.3 to 1.7
0
Zirconium (Zr), % 0
91 to 98