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R05240 Alloy vs. S35115 Stainless Steel

R05240 alloy belongs to the otherwise unclassified metals classification, while S35115 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 S35115 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 150
200
Elongation at Break, % 25
46
Poisson's Ratio 0.36
0.28
Shear Modulus, GPa 57
79
Tensile Strength: Ultimate (UTS), MPa 270
670
Tensile Strength: Yield (Proof), MPa 170
310

Thermal Properties

Latent Heat of Fusion, J/g 210
310
Specific Heat Capacity, J/kg-K 190
480
Thermal Expansion, µm/m-K 6.8
16

Otherwise Unclassified Properties

Density, g/cm3 14
7.9
Embodied Water, L/kg 460
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 59
250
Resilience: Unit (Modulus of Resilience), kJ/m3 90
240
Stiffness to Weight: Axial, points 6.3
14
Stiffness to Weight: Bending, points 13
25
Strength to Weight: Axial, points 5.4
24
Strength to Weight: Bending, points 6.8
22
Thermal Shock Resistance, points 18
15

Alloy Composition

Carbon (C), % 0 to 0.010
0 to 0.030
Chromium (Cr), % 0
23 to 25
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.010
47.6 to 55.8
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0 to 0.020
1.5 to 2.5
Nickel (Ni), % 0 to 0.010
19 to 22
Niobium (Nb), % 35 to 42
0
Nitrogen (N), % 0 to 0.010
0.2 to 0.3
Oxygen (O), % 0 to 0.020
0
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 0.0050
0.5 to 1.5
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