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R05240 Alloy vs. S44537 Stainless Steel

R05240 alloy belongs to the otherwise unclassified metals classification, while S44537 stainless steel belongs to the iron alloys. There are 18 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.

For each property being compared, the top bar is R05240 alloy and the bottom bar is S44537 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 150
200
Elongation at Break, % 25
21
Poisson's Ratio 0.36
0.27
Shear Modulus, GPa 57
79
Tensile Strength: Ultimate (UTS), MPa 270
510
Tensile Strength: Yield (Proof), MPa 170
360

Thermal Properties

Latent Heat of Fusion, J/g 210
290
Specific Heat Capacity, J/kg-K 190
470
Thermal Expansion, µm/m-K 6.8
11

Otherwise Unclassified Properties

Density, g/cm3 14
7.9
Embodied Water, L/kg 460
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 59
95
Resilience: Unit (Modulus of Resilience), kJ/m3 90
320
Stiffness to Weight: Axial, points 6.3
14
Stiffness to Weight: Bending, points 13
25
Strength to Weight: Axial, points 5.4
18
Strength to Weight: Bending, points 6.8
18
Thermal Shock Resistance, points 18
17

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Carbon (C), % 0 to 0.010
0 to 0.030
Chromium (Cr), % 0
20 to 24
Copper (Cu), % 0
0 to 0.5
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.010
69 to 78.6
Lanthanum (La), % 0
0.040 to 0.2
Manganese (Mn), % 0
0 to 0.8
Molybdenum (Mo), % 0 to 0.020
0
Nickel (Ni), % 0 to 0.010
0 to 0.5
Niobium (Nb), % 35 to 42
0.2 to 1.0
Nitrogen (N), % 0 to 0.010
0 to 0.040
Oxygen (O), % 0 to 0.020
0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0 to 0.0050
0.1 to 0.6
Sulfur (S), % 0
0 to 0.0060
Tantalum (Ta), % 57.9 to 65
0
Titanium (Ti), % 0 to 0.010
0.020 to 0.2
Tungsten (W), % 0 to 0.050
1.0 to 3.0