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R05240 Alloy vs. EN 1.8527 Steel

R05240 alloy belongs to the otherwise unclassified metals classification, while EN 1.8527 steel belongs to the iron alloys. There are 18 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is R05240 alloy and the bottom bar is EN 1.8527 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
74
Tensile Strength: Ultimate (UTS), MPa 270
900
Tensile Strength: Yield (Proof), MPa 170
800

Thermal Properties

Latent Heat of Fusion, J/g 210
260
Specific Heat Capacity, J/kg-K 190
470
Thermal Expansion, µm/m-K 6.8
13

Otherwise Unclassified Properties

Density, g/cm3 14
7.8
Embodied Water, L/kg 460
66

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 59
140
Resilience: Unit (Modulus of Resilience), kJ/m3 90
1670
Stiffness to Weight: Axial, points 6.3
14
Stiffness to Weight: Bending, points 13
24
Strength to Weight: Axial, points 5.4
32
Strength to Weight: Bending, points 6.8
26
Thermal Shock Resistance, points 18
26

Alloy Composition

Carbon (C), % 0 to 0.010
0.040 to 0.12
Chromium (Cr), % 0
3.7 to 4.3
Copper (Cu), % 0
0 to 0.25
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.010
93.2 to 95.1
Manganese (Mn), % 0
0.85 to 1.2
Molybdenum (Mo), % 0 to 0.020
0.4 to 0.6
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