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R05240 Alloy vs. S44735 Stainless Steel

R05240 alloy belongs to the otherwise unclassified metals classification, while S44735 stainless steel belongs to the iron alloys. There are 18 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is R05240 alloy and the bottom bar is S44735 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 150
210
Elongation at Break, % 25
21
Poisson's Ratio 0.36
0.27
Shear Modulus, GPa 57
82
Tensile Strength: Ultimate (UTS), MPa 270
630
Tensile Strength: Yield (Proof), MPa 170
460

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
11

Otherwise Unclassified Properties

Density, g/cm3 14
7.7
Embodied Water, L/kg 460
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 59
120
Resilience: Unit (Modulus of Resilience), kJ/m3 90
520
Stiffness to Weight: Axial, points 6.3
15
Stiffness to Weight: Bending, points 13
26
Strength to Weight: Axial, points 5.4
23
Strength to Weight: Bending, points 6.8
21
Thermal Shock Resistance, points 18
20

Alloy Composition

Carbon (C), % 0 to 0.010
0 to 0.030
Chromium (Cr), % 0
28 to 30
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.010
60.7 to 68.4
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0 to 0.020
3.6 to 4.2
Nickel (Ni), % 0 to 0.010
0 to 1.0
Niobium (Nb), % 35 to 42
0.2 to 1.0
Nitrogen (N), % 0 to 0.010
0 to 0.045
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 0.030
Tantalum (Ta), % 57.9 to 65
0
Titanium (Ti), % 0 to 0.010
0.2 to 1.0
Tungsten (W), % 0 to 0.050
0