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R05240 Alloy vs. C69400 Brass

R05240 alloy belongs to the otherwise unclassified metals classification, while C69400 brass belongs to the copper alloys. There are 18 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is R05240 alloy and the bottom bar is C69400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 150
110
Elongation at Break, % 25
17
Poisson's Ratio 0.36
0.33
Shear Modulus, GPa 57
42
Tensile Strength: Ultimate (UTS), MPa 270
570
Tensile Strength: Yield (Proof), MPa 170
270

Thermal Properties

Latent Heat of Fusion, J/g 210
260
Specific Heat Capacity, J/kg-K 190
410
Thermal Expansion, µm/m-K 6.8
18

Otherwise Unclassified Properties

Density, g/cm3 14
8.3
Embodied Water, L/kg 460
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 59
80
Resilience: Unit (Modulus of Resilience), kJ/m3 90
340
Stiffness to Weight: Axial, points 6.3
7.4
Stiffness to Weight: Bending, points 13
19
Strength to Weight: Axial, points 5.4
19
Strength to Weight: Bending, points 6.8
18
Thermal Shock Resistance, points 18
20

Alloy Composition

Carbon (C), % 0 to 0.010
0
Copper (Cu), % 0
80 to 83
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
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
3.5 to 4.5
Tantalum (Ta), % 57.9 to 65
0
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 0 to 0.050
0
Zinc (Zn), % 0
11.5 to 16.5
Residuals, % 0
0 to 0.5