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AWS BAg-21 vs. C84500 Brass

AWS BAg-21 belongs to the otherwise unclassified metals classification, while C84500 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 16 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is AWS BAg-21 and the bottom bar is C84500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 85
100
Poisson's Ratio 0.36
0.34
Shear Modulus, GPa 31
39
Tensile Strength: Ultimate (UTS), MPa 150
240

Thermal Properties

Latent Heat of Fusion, J/g 140
180
Melting Completion (Liquidus), °C 800
980
Melting Onset (Solidus), °C 690
840
Specific Heat Capacity, J/kg-K 280
360
Thermal Expansion, µm/m-K 19
19

Otherwise Unclassified Properties

Density, g/cm3 9.8
8.7
Embodied Energy, MJ/kg 970
47

Common Calculations

Stiffness to Weight: Axial, points 4.8
6.6
Stiffness to Weight: Bending, points 15
18
Strength to Weight: Axial, points 4.2
7.7
Strength to Weight: Bending, points 6.4
9.8
Thermal Shock Resistance, points 6.6
8.6

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Copper (Cu), % 27.5 to 29.5
77 to 79
Iron (Fe), % 0
0 to 0.4
Lead (Pb), % 0
6.0 to 7.5
Nickel (Ni), % 2.0 to 3.0
0 to 1.0
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0 to 0.0050
Silver (Ag), % 62 to 64
0
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 5.0 to 7.0
2.0 to 4.0
Zinc (Zn), % 0
10 to 14
Residuals, % 0
0 to 0.7