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EN 1.7366 Steel vs. R05252 Alloy

EN 1.7366 steel belongs to the iron alloys classification, while R05252 alloy belongs to the otherwise unclassified metals. There are 18 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is EN 1.7366 steel and the bottom bar is R05252 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 17 to 19
23
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 74
73
Tensile Strength: Ultimate (UTS), MPa 460 to 710
310
Tensile Strength: Yield (Proof), MPa 230 to 480
220

Thermal Properties

Latent Heat of Fusion, J/g 260
140
Specific Heat Capacity, J/kg-K 470
140
Thermal Expansion, µm/m-K 13
6.7

Otherwise Unclassified Properties

Density, g/cm3 7.8
17
Embodied Water, L/kg 69
600

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 74 to 110
63
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 600
120
Stiffness to Weight: Axial, points 14
6.5
Stiffness to Weight: Bending, points 25
12
Strength to Weight: Axial, points 16 to 25
5.2
Strength to Weight: Bending, points 17 to 23
6.1
Thermal Shock Resistance, points 13 to 20
17

Alloy Composition

Carbon (C), % 0 to 0.18
0 to 0.010
Chromium (Cr), % 4.0 to 6.0
0
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 91.9 to 95.3
0 to 0.010
Manganese (Mn), % 0.3 to 0.8
0
Molybdenum (Mo), % 0.45 to 0.65
0 to 0.020
Nickel (Ni), % 0
0 to 0.010
Niobium (Nb), % 0
0 to 0.1
Nitrogen (N), % 0
0 to 0.010
Oxygen (O), % 0
0 to 0.015
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.4
0 to 0.0050
Sulfur (S), % 0 to 0.015
0
Tantalum (Ta), % 0
88.8 to 91
Titanium (Ti), % 0
0 to 0.010
Tungsten (W), % 0
9.0 to 11