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AWS BVAg-18 vs. C37000 Muntz Metal

AWS BVAg-18 belongs to the otherwise unclassified metals classification, while C37000 Muntz Metal belongs to the copper alloys. They have a modest 30% of their average alloy composition in common, which, by itself, doesn't mean much. There are 17 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is AWS BVAg-18 and the bottom bar is C37000 Muntz Metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 82
100
Poisson's Ratio 0.36
0.31
Shear Modulus, GPa 30
39
Tensile Strength: Ultimate (UTS), MPa 180
400

Thermal Properties

Latent Heat of Fusion, J/g 140
170
Melting Completion (Liquidus), °C 720
900
Melting Onset (Solidus), °C 600
890
Specific Heat Capacity, J/kg-K 280
380
Thermal Expansion, µm/m-K 19
21

Otherwise Unclassified Properties

Density, g/cm3 9.7
8.1
Embodied Carbon, kg CO2/kg material 59
2.7
Embodied Energy, MJ/kg 930
45

Common Calculations

Stiffness to Weight: Axial, points 4.7
7.2
Stiffness to Weight: Bending, points 15
19
Strength to Weight: Axial, points 5.1
14
Strength to Weight: Bending, points 7.3
15
Thermal Shock Resistance, points 8.1
13

Alloy Composition


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Cadmium (Cd), % 0 to 0.0010
0
Carbon (C), % 0 to 0.0050
0
Copper (Cu), % 28.5 to 31.5
59 to 62
Iron (Fe), % 0
0 to 0.15
Lead (Pb), % 0 to 0.0020
0.8 to 1.5
Phosphorus (P), % 0 to 0.0020
0
Silver (Ag), % 59 to 61
0
Tin (Sn), % 9.5 to 10.5
0
Zinc (Zn), % 0 to 0.0010
36 to 40.2
Residuals, % 0
0 to 0.4