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AWS BAu-3 vs. C17300 Copper

AWS BAu-3 belongs to the otherwise unclassified metals classification, while C17300 copper belongs to the copper alloys. They have 62% of their average alloy composition in common. There are 15 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 BAu-3 and the bottom bar is C17300 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Poisson's Ratio 0.37
0.33
Shear Modulus, GPa 41
45
Tensile Strength: Ultimate (UTS), MPa 220
500 to 1380

Thermal Properties

Latent Heat of Fusion, J/g 160
230
Melting Completion (Liquidus), °C 1030
980
Melting Onset (Solidus), °C 970
870
Specific Heat Capacity, J/kg-K 300
380
Thermal Expansion, µm/m-K 16
17

Otherwise Unclassified Properties

Density, g/cm3 13
8.8

Common Calculations

Stiffness to Weight: Axial, points 5.0
7.6
Stiffness to Weight: Bending, points 13
19
Strength to Weight: Axial, points 4.9
16 to 44
Strength to Weight: Bending, points 6.4
16 to 31
Thermal Shock Resistance, points 8.7
17 to 48

Alloy Composition

Aluminum (Al), % 0
0 to 0.2
Beryllium (Be), % 0
1.8 to 2.0
Copper (Cu), % 60.9 to 63
95.5 to 97.8
Gold (Au), % 34.5 to 35.5
0
Iron (Fe), % 0
0 to 0.4
Lead (Pb), % 0
0.2 to 0.6
Nickel (Ni), % 2.5 to 3.5
0.2 to 0.6
Silicon (Si), % 0
0 to 0.2
Residuals, % 0
0 to 0.5