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AWS BAg-8a vs. C85200 Brass

AWS BAg-8a belongs to the otherwise unclassified metals classification, while C85200 brass belongs to the copper alloys. They have a modest 28% of their average alloy composition in common, which, by itself, doesn't mean much. There are 15 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-8a and the bottom bar is C85200 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 83
110
Poisson's Ratio 0.36
0.32
Shear Modulus, GPa 31
40
Tensile Strength: Ultimate (UTS), MPa 150
270

Thermal Properties

Latent Heat of Fusion, J/g 140
180
Melting Completion (Liquidus), °C 770
940
Melting Onset (Solidus), °C 770
930
Specific Heat Capacity, J/kg-K 290
380
Thermal Expansion, µm/m-K 19
20

Otherwise Unclassified Properties

Density, g/cm3 10
8.4

Common Calculations

Stiffness to Weight: Axial, points 4.6
7.0
Stiffness to Weight: Bending, points 15
19
Strength to Weight: Axial, points 4.2
8.9
Strength to Weight: Bending, points 6.3
11
Thermal Shock Resistance, points 6.7
9.3

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Copper (Cu), % 26.4 to 28.8
70 to 74
Iron (Fe), % 0
0 to 0.6
Lead (Pb), % 0
1.5 to 3.8
Lithium (Li), % 0.25 to 0.5
0
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0 to 0.050
Silver (Ag), % 71 to 73
0
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
0.7 to 2.0
Zinc (Zn), % 0
20 to 27
Residuals, % 0
0 to 0.9