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C21000 Brass vs. AWS BAg-13a

C21000 brass belongs to the copper alloys classification, while AWS BAg-13a belongs to the otherwise unclassified metals. They have 42% of their average alloy composition in common. There are 17 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 C21000 brass and the bottom bar is AWS BAg-13a.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
92
Poisson's Ratio 0.34
0.36
Shear Modulus, GPa 43
34
Tensile Strength: Ultimate (UTS), MPa 240 to 450
180

Thermal Properties

Latent Heat of Fusion, J/g 200
160
Melting Completion (Liquidus), °C 1070
890
Melting Onset (Solidus), °C 1050
770
Specific Heat Capacity, J/kg-K 390
300
Thermal Expansion, µm/m-K 18
19

Otherwise Unclassified Properties

Density, g/cm3 8.8
9.8
Embodied Carbon, kg CO2/kg material 2.6
54
Embodied Energy, MJ/kg 42
850

Common Calculations

Stiffness to Weight: Axial, points 7.2
5.2
Stiffness to Weight: Bending, points 18
15
Strength to Weight: Axial, points 7.4 to 14
5.1
Strength to Weight: Bending, points 9.6 to 15
7.2
Thermal Shock Resistance, points 8.1 to 15
7.5

Alloy Composition

Copper (Cu), % 94 to 96
40.4 to 43.5
Iron (Fe), % 0 to 0.050
0
Lead (Pb), % 0 to 0.030
0
Nickel (Ni), % 0
1.5 to 2.5
Silver (Ag), % 0
55 to 57
Zinc (Zn), % 3.7 to 6.0
0
Residuals, % 0
0 to 0.15