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EN 1.8870 Steel vs. R05240 Alloy

EN 1.8870 steel belongs to the iron alloys classification, while R05240 alloy belongs to the otherwise unclassified metals. 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 EN 1.8870 steel and the bottom bar is R05240 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
150
Elongation at Break, % 21
25
Poisson's Ratio 0.29
0.36
Shear Modulus, GPa 73
57
Tensile Strength: Ultimate (UTS), MPa 610
270
Tensile Strength: Yield (Proof), MPa 450
170

Thermal Properties

Latent Heat of Fusion, J/g 250
210
Specific Heat Capacity, J/kg-K 470
190
Thermal Expansion, µm/m-K 13
6.8

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
59
Resilience: Unit (Modulus of Resilience), kJ/m3 530
90
Stiffness to Weight: Axial, points 13
6.3
Stiffness to Weight: Bending, points 24
13
Strength to Weight: Axial, points 22
5.4
Strength to Weight: Bending, points 20
6.8
Thermal Shock Resistance, points 18
18

Alloy Composition

Boron (B), % 0 to 0.0050
0
Carbon (C), % 0 to 0.18
0 to 0.010
Chromium (Cr), % 0 to 0.5
0
Copper (Cu), % 0 to 0.3
0
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 95.1 to 100
0 to 0.010
Manganese (Mn), % 0 to 1.7
0
Molybdenum (Mo), % 0 to 0.5
0 to 0.020
Nickel (Ni), % 0 to 1.0
0 to 0.010
Niobium (Nb), % 0 to 0.050
35 to 42
Nitrogen (N), % 0 to 0.015
0 to 0.010
Oxygen (O), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.5
0 to 0.0050
Sulfur (S), % 0 to 0.010
0
Tantalum (Ta), % 0
57.9 to 65
Titanium (Ti), % 0 to 0.030
0 to 0.010
Tungsten (W), % 0
0 to 0.050
Vanadium (V), % 0 to 0.080
0
Zirconium (Zr), % 0 to 0.050
0