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R05240 Alloy vs. EN 1.4557 Stainless Steel

R05240 alloy belongs to the otherwise unclassified metals classification, while EN 1.4557 stainless 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 1.4557 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 150
200
Elongation at Break, % 25
40
Poisson's Ratio 0.36
0.28
Shear Modulus, GPa 57
80
Tensile Strength: Ultimate (UTS), MPa 270
560
Tensile Strength: Yield (Proof), MPa 170
300

Thermal Properties

Latent Heat of Fusion, J/g 210
300
Specific Heat Capacity, J/kg-K 190
460
Thermal Expansion, µm/m-K 6.8
17

Otherwise Unclassified Properties

Density, g/cm3 14
8.0
Embodied Water, L/kg 460
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 59
190
Resilience: Unit (Modulus of Resilience), kJ/m3 90
210
Stiffness to Weight: Axial, points 6.3
14
Stiffness to Weight: Bending, points 13
24
Strength to Weight: Axial, points 5.4
19
Strength to Weight: Bending, points 6.8
19
Thermal Shock Resistance, points 18
12

Alloy Composition

Carbon (C), % 0 to 0.010
0 to 0.020
Chromium (Cr), % 0
19.5 to 20.5
Copper (Cu), % 0
0.5 to 1.0
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.010
49.5 to 56.3
Manganese (Mn), % 0
0 to 1.2
Molybdenum (Mo), % 0 to 0.020
6.0 to 7.0
Nickel (Ni), % 0 to 0.010
17.5 to 19.5
Niobium (Nb), % 35 to 42
0
Nitrogen (N), % 0 to 0.010
0.18 to 0.24
Oxygen (O), % 0 to 0.020
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.0050
0 to 1.0
Sulfur (S), % 0
0 to 0.010
Tantalum (Ta), % 57.9 to 65
0
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 0 to 0.050
0