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R05240 Alloy vs. Grade FDC Steel

R05240 alloy belongs to the otherwise unclassified metals classification, while grade FDC steel belongs to the iron alloys. There are 14 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.

For each property being compared, the top bar is R05240 alloy and the bottom bar is grade FDC steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 150
190
Poisson's Ratio 0.36
0.29
Shear Modulus, GPa 57
80
Tensile Strength: Ultimate (UTS), MPa 270
1680

Thermal Properties

Latent Heat of Fusion, J/g 210
250
Specific Heat Capacity, J/kg-K 190
470
Thermal Expansion, µm/m-K 6.8
13

Otherwise Unclassified Properties

Density, g/cm3 14
7.8
Embodied Water, L/kg 460
47

Common Calculations

Stiffness to Weight: Axial, points 6.3
13
Stiffness to Weight: Bending, points 13
24
Strength to Weight: Axial, points 5.4
60
Strength to Weight: Bending, points 6.8
40
Thermal Shock Resistance, points 18
50

Alloy Composition

Carbon (C), % 0 to 0.010
0.6 to 0.75
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 0
0 to 0.12
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.010
98 to 99.4
Manganese (Mn), % 0
0.5 to 1.2
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 0.030
Silicon (Si), % 0 to 0.0050
0.1 to 0.35
Sulfur (S), % 0
0 to 0.025
Tantalum (Ta), % 57.9 to 65
0
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 0 to 0.050
0