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R05240 Alloy vs. SAE-AISI T4 Steel

R05240 alloy belongs to the otherwise unclassified metals classification, while SAE-AISI T4 steel belongs to the iron alloys. There are 14 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is R05240 alloy and the bottom bar is SAE-AISI T4 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 150
210
Poisson's Ratio 0.36
0.29
Shear Modulus, GPa 57
80
Tensile Strength: Ultimate (UTS), MPa 270
800 to 2140

Thermal Properties

Latent Heat of Fusion, J/g 210
250
Specific Heat Capacity, J/kg-K 190
410
Thermal Expansion, µm/m-K 6.8
12

Otherwise Unclassified Properties

Density, g/cm3 14
9.4
Embodied Water, L/kg 460
120

Common Calculations

Stiffness to Weight: Axial, points 6.3
12
Stiffness to Weight: Bending, points 13
21
Strength to Weight: Axial, points 5.4
24 to 64
Strength to Weight: Bending, points 6.8
20 to 39
Thermal Shock Resistance, points 18
24 to 64

Alloy Composition

Carbon (C), % 0 to 0.010
0.7 to 0.8
Chromium (Cr), % 0
3.8 to 4.5
Cobalt (Co), % 0
4.3 to 5.8
Copper (Cu), % 0
0 to 0.25
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.010
66.3 to 72.3
Manganese (Mn), % 0
0.1 to 0.4
Molybdenum (Mo), % 0 to 0.020
0.4 to 1.0
Nickel (Ni), % 0 to 0.010
0 to 0.3
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
0.2 to 0.4
Sulfur (S), % 0
0 to 0.030
Tantalum (Ta), % 57.9 to 65
0
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 0 to 0.050
17.5 to 19
Vanadium (V), % 0
0.8 to 1.2