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R05240 Alloy vs. Grade VDSiCrV Steel

R05240 alloy belongs to the otherwise unclassified metals classification, while grade VDSiCrV 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 VDSiCrV 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
2100

Thermal Properties

Latent Heat of Fusion, J/g 210
270
Specific Heat Capacity, J/kg-K 190
480
Thermal Expansion, µm/m-K 6.8
13

Otherwise Unclassified Properties

Density, g/cm3 14
7.7
Embodied Water, L/kg 460
50

Common Calculations

Stiffness to Weight: Axial, points 6.3
13
Stiffness to Weight: Bending, points 13
25
Strength to Weight: Axial, points 5.4
75
Strength to Weight: Bending, points 6.8
47
Thermal Shock Resistance, points 18
63

Alloy Composition

Carbon (C), % 0 to 0.010
0.5 to 0.7
Chromium (Cr), % 0
0.5 to 1.0
Copper (Cu), % 0
0 to 0.060
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.010
96.1 to 97.8
Manganese (Mn), % 0
0.4 to 0.9
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 0.020
Silicon (Si), % 0 to 0.0050
1.2 to 1.7
Sulfur (S), % 0
0 to 0.020
Tantalum (Ta), % 57.9 to 65
0
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 0 to 0.050
0
Vanadium (V), % 0
0.1 to 0.25