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R05240 Alloy vs. SAE-AISI D5 Steel

R05240 alloy belongs to the otherwise unclassified metals classification, while SAE-AISI D5 steel belongs to the iron alloys. There are 15 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 D5 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 150
190
Elongation at Break, % 25
5.4 to 14
Poisson's Ratio 0.36
0.28
Shear Modulus, GPa 57
75
Tensile Strength: Ultimate (UTS), MPa 270
770 to 2030

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
11

Otherwise Unclassified Properties

Density, g/cm3 14
7.7
Embodied Water, L/kg 460
120

Common Calculations

Stiffness to Weight: Axial, points 6.3
14
Stiffness to Weight: Bending, points 13
25
Strength to Weight: Axial, points 5.4
28 to 73
Strength to Weight: Bending, points 6.8
24 to 46
Thermal Shock Resistance, points 18
26 to 67

Alloy Composition

Carbon (C), % 0 to 0.010
1.4 to 1.6
Chromium (Cr), % 0
11 to 13
Cobalt (Co), % 0
2.5 to 3.5
Copper (Cu), % 0
0 to 0.25
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.010
77.9 to 84.4
Manganese (Mn), % 0
0 to 0.6
Molybdenum (Mo), % 0 to 0.020
0.7 to 1.2
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 to 0.6
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
0
Vanadium (V), % 0
0 to 1.0