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R05240 Alloy vs. ASTM A356 Grade 10

R05240 alloy belongs to the otherwise unclassified metals classification, while ASTM A356 grade 10 belongs to the iron alloys. There are 18 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 ASTM A356 grade 10.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 150
190
Elongation at Break, % 25
23
Poisson's Ratio 0.36
0.29
Shear Modulus, GPa 57
74
Tensile Strength: Ultimate (UTS), MPa 270
670
Tensile Strength: Yield (Proof), MPa 170
430

Thermal Properties

Latent Heat of Fusion, J/g 210
260
Specific Heat Capacity, J/kg-K 190
470
Thermal Expansion, µm/m-K 6.8
13

Otherwise Unclassified Properties

Density, g/cm3 14
7.9
Embodied Water, L/kg 460
59

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 59
130
Resilience: Unit (Modulus of Resilience), kJ/m3 90
480
Stiffness to Weight: Axial, points 6.3
13
Stiffness to Weight: Bending, points 13
24
Strength to Weight: Axial, points 5.4
24
Strength to Weight: Bending, points 6.8
22
Thermal Shock Resistance, points 18
19

Alloy Composition

Carbon (C), % 0 to 0.010
0 to 0.2
Chromium (Cr), % 0
2.0 to 2.8
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.010
94.4 to 96.6
Manganese (Mn), % 0
0.5 to 0.8
Molybdenum (Mo), % 0 to 0.020
0.9 to 1.2
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 0.035
Silicon (Si), % 0 to 0.0050
0 to 0.6
Sulfur (S), % 0
0 to 0.030
Tantalum (Ta), % 57.9 to 65
0
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 0 to 0.050
0