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R05240 Alloy vs. EN 1.4749 Stainless Steel

R05240 alloy belongs to the otherwise unclassified metals classification, while EN 1.4749 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 1.4749 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 150
200
Elongation at Break, % 25
16
Poisson's Ratio 0.36
0.27
Shear Modulus, GPa 57
80
Tensile Strength: Ultimate (UTS), MPa 270
600
Tensile Strength: Yield (Proof), MPa 170
320

Thermal Properties

Latent Heat of Fusion, J/g 210
300
Specific Heat Capacity, J/kg-K 190
490
Thermal Expansion, µm/m-K 6.8
9.6

Otherwise Unclassified Properties

Density, g/cm3 14
7.6
Embodied Water, L/kg 460
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 59
80
Resilience: Unit (Modulus of Resilience), kJ/m3 90
250
Stiffness to Weight: Axial, points 6.3
15
Stiffness to Weight: Bending, points 13
26
Strength to Weight: Axial, points 5.4
22
Strength to Weight: Bending, points 6.8
21
Thermal Shock Resistance, points 18
22

Alloy Composition

Carbon (C), % 0 to 0.010
0.15 to 0.2
Chromium (Cr), % 0
26 to 29
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.010
68.5 to 73.7
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0 to 0.020
0
Nickel (Ni), % 0 to 0.010
0
Niobium (Nb), % 35 to 42
0
Nitrogen (N), % 0 to 0.010
0.15 to 0.25
Oxygen (O), % 0 to 0.020
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.0050
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Tantalum (Ta), % 57.9 to 65
0
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 0 to 0.050
0