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R05240 Alloy vs. EN 1.3551 Steel

R05240 alloy belongs to the otherwise unclassified metals classification, while EN 1.3551 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 EN 1.3551 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
75
Tensile Strength: Ultimate (UTS), MPa 270
720

Thermal Properties

Latent Heat of Fusion, J/g 210
260
Specific Heat Capacity, J/kg-K 190
460
Thermal Expansion, µm/m-K 6.8
13

Otherwise Unclassified Properties

Density, g/cm3 14
7.9
Embodied Water, L/kg 460
82

Common Calculations

Stiffness to Weight: Axial, points 6.3
14
Stiffness to Weight: Bending, points 13
24
Strength to Weight: Axial, points 5.4
26
Strength to Weight: Bending, points 6.8
23
Thermal Shock Resistance, points 18
21

Alloy Composition

Carbon (C), % 0 to 0.010
0.77 to 0.85
Chromium (Cr), % 0
3.9 to 4.3
Copper (Cu), % 0
0 to 0.3
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.010
88.8 to 91.1
Manganese (Mn), % 0
0.15 to 0.35
Molybdenum (Mo), % 0 to 0.020
4.0 to 4.5
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 0.025
Silicon (Si), % 0 to 0.0050
0 to 0.4
Sulfur (S), % 0
0 to 0.015
Tantalum (Ta), % 57.9 to 65
0
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 0 to 0.050
0 to 0.25
Vanadium (V), % 0
0.9 to 1.1