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R05240 Alloy vs. C90500 Gun Metal

R05240 alloy belongs to the otherwise unclassified metals classification, while C90500 gun metal belongs to the copper alloys. There are 18 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is R05240 alloy and the bottom bar is C90500 gun metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 150
110
Elongation at Break, % 25
20
Poisson's Ratio 0.36
0.34
Shear Modulus, GPa 57
40
Tensile Strength: Ultimate (UTS), MPa 270
320
Tensile Strength: Yield (Proof), MPa 170
160

Thermal Properties

Latent Heat of Fusion, J/g 210
190
Specific Heat Capacity, J/kg-K 190
370
Thermal Expansion, µm/m-K 6.8
18

Otherwise Unclassified Properties

Density, g/cm3 14
8.7
Embodied Water, L/kg 460
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 59
54
Resilience: Unit (Modulus of Resilience), kJ/m3 90
110
Stiffness to Weight: Axial, points 6.3
6.9
Stiffness to Weight: Bending, points 13
18
Strength to Weight: Axial, points 5.4
10
Strength to Weight: Bending, points 6.8
12
Thermal Shock Resistance, points 18
12

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Carbon (C), % 0 to 0.010
0
Copper (Cu), % 0
86 to 89
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.010
0 to 0.2
Lead (Pb), % 0
0 to 0.3
Molybdenum (Mo), % 0 to 0.020
0
Nickel (Ni), % 0 to 0.010
0 to 1.0
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 1.5
Silicon (Si), % 0 to 0.0050
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tantalum (Ta), % 57.9 to 65
0
Tin (Sn), % 0
9.0 to 11
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 0 to 0.050
0
Zinc (Zn), % 0
1.0 to 3.0
Residuals, % 0
0 to 0.3