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R05240 Alloy vs. EN 1.8507 Steel

R05240 alloy belongs to the otherwise unclassified metals classification, while EN 1.8507 steel belongs to the iron alloys. There are 18 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 EN 1.8507 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 150
190
Elongation at Break, % 25
16
Poisson's Ratio 0.36
0.29
Shear Modulus, GPa 57
72
Tensile Strength: Ultimate (UTS), MPa 270
900
Tensile Strength: Yield (Proof), MPa 170
670

Thermal Properties

Latent Heat of Fusion, J/g 210
250
Specific Heat Capacity, J/kg-K 190
480
Thermal Expansion, µm/m-K 6.8
13

Otherwise Unclassified Properties

Density, g/cm3 14
7.8
Embodied Water, L/kg 460
63

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 59
130
Resilience: Unit (Modulus of Resilience), kJ/m3 90
1210
Stiffness to Weight: Axial, points 6.3
13
Stiffness to Weight: Bending, points 13
24
Strength to Weight: Axial, points 5.4
32
Strength to Weight: Bending, points 6.8
27
Thermal Shock Resistance, points 18
26

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.2
Carbon (C), % 0 to 0.010
0.3 to 0.37
Chromium (Cr), % 0
1.0 to 1.3
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.010
96.1 to 97.7
Manganese (Mn), % 0
0.4 to 0.7
Molybdenum (Mo), % 0 to 0.020
0.15 to 0.25
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 0.035
Tantalum (Ta), % 57.9 to 65
0
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 0 to 0.050
0