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AWS BAg-1a vs. C99750 Brass

AWS BAg-1a belongs to the otherwise unclassified metals classification, while C99750 brass belongs to the copper alloys. They have a modest 32% of their average alloy composition in common, which, by itself, doesn't mean much. There are 17 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 AWS BAg-1a and the bottom bar is C99750 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 77
130
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 29
48
Tensile Strength: Ultimate (UTS), MPa 180
450 to 520

Thermal Properties

Latent Heat of Fusion, J/g 120
200
Melting Completion (Liquidus), °C 640
840
Melting Onset (Solidus), °C 630
820
Specific Heat Capacity, J/kg-K 280
410
Thermal Expansion, µm/m-K 22
20

Otherwise Unclassified Properties

Density, g/cm3 9.3
8.1
Embodied Carbon, kg CO2/kg material 48
3.1
Embodied Energy, MJ/kg 760
51

Common Calculations

Stiffness to Weight: Axial, points 4.6
8.6
Stiffness to Weight: Bending, points 15
21
Strength to Weight: Axial, points 5.4
15 to 18
Strength to Weight: Bending, points 7.6
16 to 18
Thermal Shock Resistance, points 7.5
13 to 15

Alloy Composition

Aluminum (Al), % 0
0.25 to 3.0
Cadmium (Cd), % 17 to 19
0
Copper (Cu), % 14.5 to 16.5
55 to 61
Iron (Fe), % 0
0 to 1.0
Lead (Pb), % 0
0.5 to 2.5
Manganese (Mn), % 0
17 to 23
Nickel (Ni), % 0
0 to 5.0
Silver (Ag), % 49 to 51
0
Zinc (Zn), % 14.5 to 18.5
17 to 23
Residuals, % 0
0 to 0.3