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AWS BAg-4 vs. C69400 Brass

AWS BAg-4 belongs to the otherwise unclassified metals classification, while C69400 brass belongs to the copper alloys. They have 44% of their average alloy composition in common. There are 17 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is AWS BAg-4 and the bottom bar is C69400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 91
110
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 34
42
Tensile Strength: Ultimate (UTS), MPa 150
570

Thermal Properties

Latent Heat of Fusion, J/g 140
260
Melting Completion (Liquidus), °C 780
920
Melting Onset (Solidus), °C 670
820
Specific Heat Capacity, J/kg-K 330
410
Thermal Expansion, µm/m-K 21
18

Otherwise Unclassified Properties

Density, g/cm3 8.9
8.3
Embodied Carbon, kg CO2/kg material 40
2.7
Embodied Energy, MJ/kg 630
44

Common Calculations

Stiffness to Weight: Axial, points 5.7
7.4
Stiffness to Weight: Bending, points 17
19
Strength to Weight: Axial, points 4.7
19
Strength to Weight: Bending, points 7.1
18
Thermal Shock Resistance, points 5.7
20

Alloy Composition

Copper (Cu), % 29 to 31
80 to 83
Iron (Fe), % 0
0 to 0.2
Lead (Pb), % 0
0 to 0.3
Nickel (Ni), % 1.5 to 2.5
0
Silicon (Si), % 0
3.5 to 4.5
Silver (Ag), % 39 to 41
0
Zinc (Zn), % 26 to 30
11.5 to 16.5
Residuals, % 0
0 to 0.5