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R05240 Alloy vs. AISI 440C Stainless Steel

R05240 alloy belongs to the otherwise unclassified metals classification, while AISI 440C stainless steel belongs to the iron alloys. There are 17 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 AISI 440C stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 150
200
Elongation at Break, % 25
2.0 to 14
Poisson's Ratio 0.36
0.28
Shear Modulus, GPa 57
76
Tensile Strength: Ultimate (UTS), MPa 270
710 to 1970
Tensile Strength: Yield (Proof), MPa 170
450 to 1900

Thermal Properties

Latent Heat of Fusion, J/g 210
280
Specific Heat Capacity, J/kg-K 190
480
Thermal Expansion, µm/m-K 6.8
10

Otherwise Unclassified Properties

Density, g/cm3 14
7.7
Embodied Water, L/kg 460
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 59
39 to 88
Stiffness to Weight: Axial, points 6.3
14
Stiffness to Weight: Bending, points 13
25
Strength to Weight: Axial, points 5.4
26 to 71
Strength to Weight: Bending, points 6.8
23 to 46
Thermal Shock Resistance, points 18
26 to 71

Alloy Composition

Carbon (C), % 0 to 0.010
1.0 to 1.2
Chromium (Cr), % 0
16 to 18
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.010
78 to 83.1
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0 to 0.020
0 to 0.75
Nickel (Ni), % 0 to 0.010
0
Niobium (Nb), % 35 to 42
0
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 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