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R05240 Alloy vs. SAE-AISI 1086 Steel

R05240 alloy belongs to the otherwise unclassified metals classification, while SAE-AISI 1086 steel belongs to the iron alloys. There are 18 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 R05240 alloy and the bottom bar is SAE-AISI 1086 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 150
190
Elongation at Break, % 25
11
Poisson's Ratio 0.36
0.29
Shear Modulus, GPa 57
72
Tensile Strength: Ultimate (UTS), MPa 270
760 to 870
Tensile Strength: Yield (Proof), MPa 170
480 to 580

Thermal Properties

Latent Heat of Fusion, J/g 210
240
Specific Heat Capacity, J/kg-K 190
470
Thermal Expansion, µm/m-K 6.8
11

Otherwise Unclassified Properties

Density, g/cm3 14
7.8
Embodied Water, L/kg 460
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 59
79 to 84
Resilience: Unit (Modulus of Resilience), kJ/m3 90
610 to 890
Stiffness to Weight: Axial, points 6.3
13
Stiffness to Weight: Bending, points 13
24
Strength to Weight: Axial, points 5.4
27 to 31
Strength to Weight: Bending, points 6.8
24 to 26
Thermal Shock Resistance, points 18
26 to 30

Alloy Composition

Carbon (C), % 0 to 0.010
0.8 to 0.93
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.010
98.5 to 98.9
Manganese (Mn), % 0
0.3 to 0.5
Molybdenum (Mo), % 0 to 0.020
0
Nickel (Ni), % 0 to 0.010
0
Niobium (Nb), % 35 to 42
0
Nitrogen (N), % 0 to 0.010
0
Oxygen (O), % 0 to 0.020
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.0050
0
Sulfur (S), % 0
0 to 0.050
Tantalum (Ta), % 57.9 to 65
0
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 0 to 0.050
0