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AWS BAu-1 vs. C49300 Brass

AWS BAu-1 belongs to the otherwise unclassified metals classification, while C49300 brass belongs to the copper alloys. They have 60% of their average alloy composition in common. 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-1 and the bottom bar is C49300 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Poisson's Ratio 0.37
0.31
Shear Modulus, GPa 40
40
Tensile Strength: Ultimate (UTS), MPa 210
430 to 520

Thermal Properties

Latent Heat of Fusion, J/g 150
170
Melting Completion (Liquidus), °C 1020
880
Melting Onset (Solidus), °C 990
840
Specific Heat Capacity, J/kg-K 290
380
Thermal Expansion, µm/m-K 16
20

Otherwise Unclassified Properties

Density, g/cm3 13
8.0

Common Calculations

Stiffness to Weight: Axial, points 4.7
7.2
Stiffness to Weight: Bending, points 12
19
Strength to Weight: Axial, points 4.5
15 to 18
Strength to Weight: Bending, points 6.1
16 to 18
Thermal Shock Resistance, points 8.5
14 to 18

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Antimony (Sb), % 0
0 to 0.5
Bismuth (Bi), % 0
0.5 to 2.0
Copper (Cu), % 61.9 to 63
58 to 62
Gold (Au), % 37 to 38
0
Iron (Fe), % 0
0 to 0.1
Lead (Pb), % 0
0 to 0.010
Manganese (Mn), % 0
0 to 0.030
Nickel (Ni), % 0
0 to 1.5
Phosphorus (P), % 0
0 to 0.2
Selenium (Se), % 0
0 to 0.2
Silicon (Si), % 0
0 to 0.1
Tin (Sn), % 0
1.0 to 1.8
Zinc (Zn), % 0
30.6 to 40.5
Residuals, % 0
0 to 0.5