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R05240 Alloy vs. C68300 Brass

R05240 alloy belongs to the otherwise unclassified metals classification, while C68300 brass belongs to the copper alloys. There are 18 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is R05240 alloy and the bottom bar is C68300 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 150
100
Elongation at Break, % 25
15
Poisson's Ratio 0.36
0.31
Shear Modulus, GPa 57
40
Tensile Strength: Ultimate (UTS), MPa 270
430
Tensile Strength: Yield (Proof), MPa 170
260

Thermal Properties

Latent Heat of Fusion, J/g 210
180
Specific Heat Capacity, J/kg-K 190
390
Thermal Expansion, µm/m-K 6.8
20

Otherwise Unclassified Properties

Density, g/cm3 14
8.0
Embodied Water, L/kg 460
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 59
56
Resilience: Unit (Modulus of Resilience), kJ/m3 90
330
Stiffness to Weight: Axial, points 6.3
7.3
Stiffness to Weight: Bending, points 13
20
Strength to Weight: Axial, points 5.4
15
Strength to Weight: Bending, points 6.8
16
Thermal Shock Resistance, points 18
14

Alloy Composition

Antimony (Sb), % 0
0.3 to 1.0
Cadmium (Cd), % 0
0 to 0.010
Carbon (C), % 0 to 0.010
0
Copper (Cu), % 0
59 to 63
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.010
0
Lead (Pb), % 0
0 to 0.090
Molybdenum (Mo), % 0 to 0.020
0
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
Silicon (Si), % 0 to 0.0050
0.3 to 1.0
Tantalum (Ta), % 57.9 to 65
0
Tin (Sn), % 0
0.050 to 0.2
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 0 to 0.050
0
Zinc (Zn), % 0
34.2 to 40.4
Residuals, % 0
0 to 0.5