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AWS BVAg-31 vs. C69700 Brass

AWS BVAg-31 belongs to the otherwise unclassified metals classification, while C69700 brass belongs to the copper alloys. They have a modest 32% 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 (13, in this case) are not shown.

For each property being compared, the top bar is AWS BVAg-31 and the bottom bar is C69700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 90
110
Poisson's Ratio 0.36
0.32
Shear Modulus, GPa 33
41
Tensile Strength: Ultimate (UTS), MPa 180
470

Thermal Properties

Latent Heat of Fusion, J/g 150
240
Melting Completion (Liquidus), °C 850
930
Melting Onset (Solidus), °C 820
880
Specific Heat Capacity, J/kg-K 280
400
Thermal Expansion, µm/m-K 18
19

Otherwise Unclassified Properties

Density, g/cm3 10
8.3

Common Calculations

Stiffness to Weight: Axial, points 4.9
7.3
Stiffness to Weight: Bending, points 15
19
Strength to Weight: Axial, points 4.9
16
Strength to Weight: Bending, points 7.0
16
Thermal Shock Resistance, points 7.8
16

Alloy Composition

Cadmium (Cd), % 0 to 0.0010
0
Carbon (C), % 0 to 0.0050
0
Copper (Cu), % 31 to 33
75 to 80
Iron (Fe), % 0
0 to 0.2
Lead (Pb), % 0 to 0.0020
0.5 to 1.5
Manganese (Mn), % 0
0 to 0.4
Palladium (Pd), % 8.0 to 12
0
Phosphorus (P), % 0 to 0.0020
0
Silicon (Si), % 0
2.5 to 3.5
Silver (Ag), % 57 to 59
0
Zinc (Zn), % 0 to 0.0010
13.9 to 22
Residuals, % 0
0 to 0.5