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R05240 Alloy vs. C44400 Brass

R05240 alloy belongs to the otherwise unclassified metals classification, while C44400 brass belongs to the copper alloys. There are 16 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is R05240 alloy and the bottom bar is C44400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 150
110
Poisson's Ratio 0.36
0.32
Shear Modulus, GPa 57
41
Tensile Strength: Ultimate (UTS), MPa 270
350
Tensile Strength: Yield (Proof), MPa 170
120

Thermal Properties

Latent Heat of Fusion, J/g 210
180
Specific Heat Capacity, J/kg-K 190
380
Thermal Expansion, µm/m-K 6.8
20

Otherwise Unclassified Properties

Density, g/cm3 14
8.3
Embodied Water, L/kg 460
330

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 90
65
Stiffness to Weight: Axial, points 6.3
7.2
Stiffness to Weight: Bending, points 13
19
Strength to Weight: Axial, points 5.4
12
Strength to Weight: Bending, points 6.8
13
Thermal Shock Resistance, points 18
12

Alloy Composition

Antimony (Sb), % 0
0.020 to 0.1
Carbon (C), % 0 to 0.010
0
Copper (Cu), % 0
70 to 73
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.010
0 to 0.060
Lead (Pb), % 0
0 to 0.070
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
Tantalum (Ta), % 57.9 to 65
0
Tin (Sn), % 0
0.9 to 1.2
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 0 to 0.050
0
Zinc (Zn), % 0
25.2 to 29.1
Residuals, % 0
0 to 0.4