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Nickel 718 vs. R05252 Alloy

Nickel 718 belongs to the nickel alloys classification, while R05252 alloy belongs to the otherwise unclassified metals. There are 18 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is nickel 718 and the bottom bar is R05252 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 12 to 50
23
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 75
73
Tensile Strength: Ultimate (UTS), MPa 930 to 1530
310
Tensile Strength: Yield (Proof), MPa 510 to 1330
220

Thermal Properties

Latent Heat of Fusion, J/g 310
140
Specific Heat Capacity, J/kg-K 450
140
Thermal Expansion, µm/m-K 13
6.7

Otherwise Unclassified Properties

Density, g/cm3 8.3
17
Embodied Water, L/kg 250
600

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 390
63
Resilience: Unit (Modulus of Resilience), kJ/m3 660 to 4560
120
Stiffness to Weight: Axial, points 13
6.5
Stiffness to Weight: Bending, points 23
12
Strength to Weight: Axial, points 31 to 51
5.2
Strength to Weight: Bending, points 25 to 35
6.1
Thermal Shock Resistance, points 27 to 44
17

Alloy Composition

Aluminum (Al), % 0.2 to 0.8
0
Boron (B), % 0 to 0.0060
0
Carbon (C), % 0 to 0.080
0 to 0.010
Chromium (Cr), % 17 to 21
0
Cobalt (Co), % 0 to 1.0
0
Copper (Cu), % 0 to 0.3
0
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 11.1 to 24.6
0 to 0.010
Manganese (Mn), % 0 to 0.35
0
Molybdenum (Mo), % 2.8 to 3.3
0 to 0.020
Nickel (Ni), % 50 to 55
0 to 0.010
Niobium (Nb), % 4.8 to 5.5
0 to 0.1
Nitrogen (N), % 0
0 to 0.010
Oxygen (O), % 0
0 to 0.015
Phosphorus (P), % 0 to 0.015
0
Silicon (Si), % 0 to 0.35
0 to 0.0050
Sulfur (S), % 0 to 0.015
0
Tantalum (Ta), % 0
88.8 to 91
Titanium (Ti), % 0.65 to 1.2
0 to 0.010
Tungsten (W), % 0
9.0 to 11