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R05240 Alloy vs. S45500 Stainless Steel

R05240 alloy belongs to the otherwise unclassified metals classification, while S45500 stainless steel belongs to the iron alloys. There are 17 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is R05240 alloy and the bottom bar is S45500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 150
190
Elongation at Break, % 25
3.4 to 11
Poisson's Ratio 0.36
0.28
Shear Modulus, GPa 57
75
Tensile Strength: Ultimate (UTS), MPa 270
1370 to 1850
Tensile Strength: Yield (Proof), MPa 170
1240 to 1700

Thermal Properties

Latent Heat of Fusion, J/g 210
270
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
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 59
45 to 190
Stiffness to Weight: Axial, points 6.3
14
Stiffness to Weight: Bending, points 13
24
Strength to Weight: Axial, points 5.4
48 to 65
Strength to Weight: Bending, points 6.8
35 to 42
Thermal Shock Resistance, points 18
48 to 64

Alloy Composition

Carbon (C), % 0 to 0.010
0 to 0.050
Chromium (Cr), % 0
11 to 12.5
Copper (Cu), % 0
1.5 to 2.5
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.010
71.5 to 79.2
Manganese (Mn), % 0
0 to 0.5
Molybdenum (Mo), % 0 to 0.020
0 to 0.5
Nickel (Ni), % 0 to 0.010
7.5 to 9.5
Niobium (Nb), % 35 to 42
0 to 0.5
Nitrogen (N), % 0 to 0.010
0
Oxygen (O), % 0 to 0.020
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.0050
0 to 0.5
Sulfur (S), % 0
0 to 0.030
Tantalum (Ta), % 57.9 to 65
0 to 0.5
Titanium (Ti), % 0 to 0.010
0.8 to 1.4
Tungsten (W), % 0 to 0.050
0