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AWS BAu-1 vs. C19000 Copper

AWS BAu-1 belongs to the otherwise unclassified metals classification, while C19000 copper belongs to the copper alloys. They have 63% of their average alloy composition in common. There are 15 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.

For each property being compared, the top bar is AWS BAu-1 and the bottom bar is C19000 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Poisson's Ratio 0.37
0.34
Shear Modulus, GPa 40
43
Tensile Strength: Ultimate (UTS), MPa 210
260 to 760

Thermal Properties

Latent Heat of Fusion, J/g 150
210
Melting Completion (Liquidus), °C 1020
1080
Melting Onset (Solidus), °C 990
1040
Specific Heat Capacity, J/kg-K 290
390
Thermal Expansion, µm/m-K 16
17

Otherwise Unclassified Properties

Density, g/cm3 13
8.9

Common Calculations

Stiffness to Weight: Axial, points 4.7
7.2
Stiffness to Weight: Bending, points 12
18
Strength to Weight: Axial, points 4.5
8.2 to 24
Strength to Weight: Bending, points 6.1
10 to 21
Thermal Shock Resistance, points 8.5
9.3 to 27

Alloy Composition

Copper (Cu), % 61.9 to 63
96.9 to 99
Gold (Au), % 37 to 38
0
Iron (Fe), % 0
0 to 0.1
Lead (Pb), % 0
0 to 0.050
Nickel (Ni), % 0
0.9 to 1.3
Phosphorus (P), % 0
0.15 to 0.35
Zinc (Zn), % 0
0 to 0.8
Residuals, % 0
0 to 0.5