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AWS BAu-4 vs. C94400 Bronze

AWS BAu-4 belongs to the otherwise unclassified metals classification, while C94400 bronze belongs to the copper alloys. There are 15 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is AWS BAu-4 and the bottom bar is C94400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Poisson's Ratio 0.4
0.35
Shear Modulus, GPa 41
37
Tensile Strength: Ultimate (UTS), MPa 200
220

Thermal Properties

Latent Heat of Fusion, J/g 100
180
Melting Completion (Liquidus), °C 950
940
Melting Onset (Solidus), °C 950
790
Specific Heat Capacity, J/kg-K 190
350
Thermal Expansion, µm/m-K 14
19

Otherwise Unclassified Properties

Density, g/cm3 17
9.1

Common Calculations

Stiffness to Weight: Axial, points 3.6
6.1
Stiffness to Weight: Bending, points 9.3
17
Strength to Weight: Axial, points 3.2
6.8
Strength to Weight: Bending, points 4.4
9.0
Thermal Shock Resistance, points 9.2
8.3

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.8
Copper (Cu), % 0
76.1 to 84
Gold (Au), % 81.5 to 82.5
0
Iron (Fe), % 0
0 to 0.15
Lead (Pb), % 0
9.0 to 12
Nickel (Ni), % 17.4 to 18.5
0 to 1.0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0
7.0 to 9.0
Zinc (Zn), % 0
0 to 0.8
Residuals, % 0 to 0.15
0