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R05240 Alloy vs. SAE-AISI P3 Steel

R05240 alloy belongs to the otherwise unclassified metals classification, while SAE-AISI P3 steel belongs to the iron alloys. There are 14 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is R05240 alloy and the bottom bar is SAE-AISI P3 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
73
Tensile Strength: Ultimate (UTS), MPa 270
410 to 1980

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
12

Otherwise Unclassified Properties

Density, g/cm3 14
7.9
Embodied Water, L/kg 460
50

Common Calculations

Stiffness to Weight: Axial, points 6.3
13
Stiffness to Weight: Bending, points 13
24
Strength to Weight: Axial, points 5.4
15 to 70
Strength to Weight: Bending, points 6.8
16 to 44
Thermal Shock Resistance, points 18
14 to 65

Alloy Composition

Carbon (C), % 0 to 0.010
0 to 0.1
Chromium (Cr), % 0
0.4 to 0.75
Copper (Cu), % 0
0 to 0.25
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.010
96.3 to 98.4
Manganese (Mn), % 0
0.2 to 0.6
Molybdenum (Mo), % 0 to 0.020
0
Nickel (Ni), % 0 to 0.010
1.0 to 1.5
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 0.4
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
0