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C69700 Brass vs. AWS BAg-2a

C69700 brass belongs to the copper alloys classification, while AWS BAg-2a belongs to the otherwise unclassified metals. They have 45% of their average alloy composition in common. There are 17 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is C69700 brass and the bottom bar is AWS BAg-2a.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
83
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 41
31
Tensile Strength: Ultimate (UTS), MPa 470
170

Thermal Properties

Latent Heat of Fusion, J/g 240
130
Melting Completion (Liquidus), °C 930
710
Melting Onset (Solidus), °C 880
610
Specific Heat Capacity, J/kg-K 400
310
Thermal Expansion, µm/m-K 19
23

Otherwise Unclassified Properties

Density, g/cm3 8.3
8.8
Embodied Carbon, kg CO2/kg material 2.7
30
Embodied Energy, MJ/kg 44
470

Common Calculations

Stiffness to Weight: Axial, points 7.3
5.2
Stiffness to Weight: Bending, points 19
17
Strength to Weight: Axial, points 16
5.4
Strength to Weight: Bending, points 16
7.8
Thermal Shock Resistance, points 16
6.5

Alloy Composition

Cadmium (Cd), % 0
19 to 21
Copper (Cu), % 75 to 80
26 to 28
Iron (Fe), % 0 to 0.2
0
Lead (Pb), % 0.5 to 1.5
0
Manganese (Mn), % 0 to 0.4
0
Silicon (Si), % 2.5 to 3.5
0
Silver (Ag), % 0
29 to 31
Zinc (Zn), % 13.9 to 22
21 to 25
Residuals, % 0
0 to 0.15