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R60706 Alloy vs. AISI 418 Stainless Steel

R60706 alloy belongs to the otherwise unclassified metals classification, while AISI 418 stainless steel belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is R60706 alloy and the bottom bar is AISI 418 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
200
Elongation at Break, % 16
17
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 37
77
Tensile Strength: Ultimate (UTS), MPa 580
1100
Tensile Strength: Yield (Proof), MPa 390
850

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Specific Heat Capacity, J/kg-K 270
470
Thermal Conductivity, W/m-K 17
25
Thermal Expansion, µm/m-K 6.3
10

Otherwise Unclassified Properties

Density, g/cm3 6.7
8.0
Embodied Water, L/kg 450
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 82
170
Resilience: Unit (Modulus of Resilience), kJ/m3 760
1830
Stiffness to Weight: Axial, points 8.1
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 24
38
Strength to Weight: Bending, points 23
29
Thermal Diffusivity, mm2/s 9.5
6.7
Thermal Shock Resistance, points 67
40

Alloy Composition

Carbon (C), % 0 to 0.050
0.15 to 0.2
Chromium (Cr), % 0 to 0.2
12 to 14
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.2
78.5 to 83.6
Manganese (Mn), % 0
0 to 0.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
1.8 to 2.2
Niobium (Nb), % 2.0 to 3.0
0
Nitrogen (N), % 0 to 0.025
0
Oxygen (O), % 0 to 0.16
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 0
2.5 to 3.5
Zirconium (Zr), % 91 to 98
0