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C28000 Muntz Metal vs. AWS BVAu-4

C28000 Muntz Metal belongs to the copper alloys classification, while AWS BVAu-4 belongs to the otherwise unclassified metals. There are 15 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is C28000 Muntz Metal and the bottom bar is AWS BVAu-4.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Poisson's Ratio 0.31
0.4
Shear Modulus, GPa 40
41
Tensile Strength: Ultimate (UTS), MPa 330 to 610
190

Thermal Properties

Latent Heat of Fusion, J/g 170
100
Melting Completion (Liquidus), °C 900
950
Melting Onset (Solidus), °C 900
950
Specific Heat Capacity, J/kg-K 390
190
Thermal Expansion, µm/m-K 21
14

Otherwise Unclassified Properties

Density, g/cm3 8.0
17

Common Calculations

Stiffness to Weight: Axial, points 7.2
3.6
Stiffness to Weight: Bending, points 20
9.3
Strength to Weight: Axial, points 11 to 21
3.0
Strength to Weight: Bending, points 13 to 20
4.2
Thermal Shock Resistance, points 11 to 20
8.7

Alloy Composition

Cadmium (Cd), % 0
0 to 0.0010
Carbon (C), % 0
0 to 0.0050
Copper (Cu), % 59 to 63
0
Gold (Au), % 0
81.5 to 82.5
Iron (Fe), % 0 to 0.070
0
Lead (Pb), % 0 to 0.3
0 to 0.0020
Nickel (Ni), % 0
17.5 to 18.5
Phosphorus (P), % 0
0 to 0.0020
Zinc (Zn), % 36.3 to 41
0 to 0.0010
Residuals, % 0 to 0.3
0