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C68700 Brass vs. AWS BVAu-7

C68700 brass belongs to the copper alloys classification, while AWS BVAu-7 belongs to the otherwise unclassified metals. 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 C68700 brass and the bottom bar is AWS BVAu-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
130
Poisson's Ratio 0.32
0.38
Shear Modulus, GPa 41
45
Tensile Strength: Ultimate (UTS), MPa 390
200

Thermal Properties

Latent Heat of Fusion, J/g 190
140
Melting Completion (Liquidus), °C 970
1120
Melting Onset (Solidus), °C 930
1100
Specific Heat Capacity, J/kg-K 400
240
Thermal Expansion, µm/m-K 19
13

Otherwise Unclassified Properties

Density, g/cm3 8.3
15

Common Calculations

Stiffness to Weight: Axial, points 7.3
4.7
Stiffness to Weight: Bending, points 19
11
Strength to Weight: Axial, points 13
3.7
Strength to Weight: Bending, points 14
5.1
Thermal Shock Resistance, points 13
8.9

Alloy Composition

Aluminum (Al), % 1.8 to 2.5
0
Arsenic (As), % 0.020 to 0.1
0
Cadmium (Cd), % 0
0 to 0.0010
Carbon (C), % 0
0 to 0.0050
Cobalt (Co), % 0
0 to 0.060
Copper (Cu), % 76 to 79
0
Gold (Au), % 0
49.5 to 50.5
Iron (Fe), % 0 to 0.060
0
Lead (Pb), % 0 to 0.070
0 to 0.0020
Nickel (Ni), % 0
24.5 to 25.5
Palladium (Pd), % 0
23.9 to 26
Phosphorus (P), % 0
0 to 0.0020
Zinc (Zn), % 17.8 to 22.2
0 to 0.0010
Residuals, % 0 to 0.5
0