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AWS BVAg-8 vs. C68700 Brass

AWS BVAg-8 belongs to the otherwise unclassified metals classification, while C68700 brass belongs to the copper alloys. They have a modest 28% 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 (12, in this case) are not shown.

For each property being compared, the top bar is AWS BVAg-8 and the bottom bar is C68700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 84
110
Poisson's Ratio 0.36
0.32
Shear Modulus, GPa 31
41
Tensile Strength: Ultimate (UTS), MPa 170
390

Thermal Properties

Latent Heat of Fusion, J/g 140
190
Melting Completion (Liquidus), °C 780
970
Melting Onset (Solidus), °C 780
930
Specific Heat Capacity, J/kg-K 280
400
Thermal Expansion, µm/m-K 19
19

Otherwise Unclassified Properties

Density, g/cm3 10
8.3

Common Calculations

Stiffness to Weight: Axial, points 4.6
7.3
Stiffness to Weight: Bending, points 14
19
Strength to Weight: Axial, points 4.7
13
Strength to Weight: Bending, points 6.8
14
Thermal Shock Resistance, points 7.6
13

Alloy Composition

Aluminum (Al), % 0
1.8 to 2.5
Arsenic (As), % 0
0.020 to 0.1
Cadmium (Cd), % 0 to 0.0010
0
Carbon (C), % 0 to 0.0050
0
Copper (Cu), % 27 to 29
76 to 79
Iron (Fe), % 0
0 to 0.060
Lead (Pb), % 0 to 0.0020
0 to 0.070
Phosphorus (P), % 0 to 0.0020
0
Silver (Ag), % 71 to 73
0
Zinc (Zn), % 0 to 0.0010
17.8 to 22.2
Residuals, % 0
0 to 0.5