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EN 1.4640 Stainless Steel vs. R05240 Alloy

EN 1.4640 stainless 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 (15, in this case) are not shown.

For each property being compared, the top bar is EN 1.4640 stainless steel and the bottom bar is R05240 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
150
Elongation at Break, % 51
25
Poisson's Ratio 0.28
0.36
Shear Modulus, GPa 77
57
Tensile Strength: Ultimate (UTS), MPa 620 to 650
270
Tensile Strength: Yield (Proof), MPa 240 to 260
170

Thermal Properties

Latent Heat of Fusion, J/g 280
210
Specific Heat Capacity, J/kg-K 480
190
Thermal Expansion, µm/m-K 16
6.8

Otherwise Unclassified Properties

Density, g/cm3 7.8
14
Embodied Water, L/kg 150
460

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 250 to 260
59
Resilience: Unit (Modulus of Resilience), kJ/m3 150 to 170
90
Stiffness to Weight: Axial, points 14
6.3
Stiffness to Weight: Bending, points 25
13
Strength to Weight: Axial, points 22 to 23
5.4
Strength to Weight: Bending, points 21
6.8
Thermal Shock Resistance, points 14 to 15
18

Alloy Composition

Carbon (C), % 0.030 to 0.080
0 to 0.010
Chromium (Cr), % 18 to 19
0
Copper (Cu), % 1.3 to 2.0
0
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 67.4 to 73.6
0 to 0.010
Manganese (Mn), % 1.5 to 4.0
0
Molybdenum (Mo), % 0
0 to 0.020
Nickel (Ni), % 5.5 to 6.9
0 to 0.010
Niobium (Nb), % 0
35 to 42
Nitrogen (N), % 0.030 to 0.11
0 to 0.010
Oxygen (O), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.5
0 to 0.0050
Sulfur (S), % 0 to 0.015
0
Tantalum (Ta), % 0
57.9 to 65
Titanium (Ti), % 0
0 to 0.010
Tungsten (W), % 0
0 to 0.050