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C36500 Muntz Metal vs. AWS BVAu-2

C36500 Muntz Metal belongs to the copper alloys classification, while AWS BVAu-2 belongs to the otherwise unclassified metals. They have a modest 20% of their average alloy composition in common, which, by itself, doesn't mean much. 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 C36500 Muntz Metal and the bottom bar is AWS BVAu-2.

UNS C36500 (CW610N) Leaded Muntz MetalAWS BVAu-2 (P00807) Vacuum Service Filler Metal
Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
100
Poisson's Ratio 0.3
0.4
Shear Modulus, GPa 39
36
Tensile Strength: Ultimate (UTS), MPa 400
150

Thermal Properties

Latent Heat of Fusion, J/g 170
92
Melting Completion (Liquidus), °C 900
890
Melting Onset (Solidus), °C 890
890
Specific Heat Capacity, J/kg-K 390
180
Thermal Expansion, µm/m-K 21
15

Otherwise Unclassified Properties

Density, g/cm3 8.0
17

Common Calculations

Stiffness to Weight: Axial, points 7.2
3.3
Stiffness to Weight: Bending, points 20
9.1
Strength to Weight: Axial, points 14
2.4
Strength to Weight: Bending, points 15
3.6
Thermal Shock Resistance, points 13
7.1

Alloy Composition

Cadmium (Cd), % 0
0 to 0.0010
Carbon (C), % 0
0 to 0.0050
Copper (Cu), % 58 to 61
19.5 to 20.5
Gold (Au), % 0
79.5 to 80.5
Iron (Fe), % 0 to 0.15
0
Lead (Pb), % 0.25 to 0.7
0 to 0.0020
Phosphorus (P), % 0
0 to 0.0020
Tin (Sn), % 0 to 0.25
0
Zinc (Zn), % 37.5 to 41.8
0 to 0.0010
Residuals, % 0 to 0.4
0