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AWS BAg-19 vs. AWS BAg-10

Both AWS BAg-19 and AWS BAg-10 are otherwise unclassified metals. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 77% of their average alloy composition in common.

For each property being compared, the top bar is AWS BAg-19 and the bottom bar is AWS BAg-10.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 74
82
Poisson's Ratio 0.37
0.35
Shear Modulus, GPa 27
30
Tensile Strength: Ultimate (UTS), MPa 140
140

Thermal Properties

Brazing Temperature, °C 770 to 980
740 to 970
Latent Heat of Fusion, J/g 120
130
Melting Completion (Liquidus), °C 890
740
Melting Onset (Solidus), °C 760
690
Specific Heat Capacity, J/kg-K 250
280
Thermal Expansion, µm/m-K 20
20

Otherwise Unclassified Properties

Density, g/cm3 10
9.8

Common Calculations

Stiffness to Weight: Axial, points 4.0
4.6
Stiffness to Weight: Bending, points 14
15
Strength to Weight: Axial, points 3.8
4.0
Strength to Weight: Bending, points 5.8
6.1
Thermal Shock Resistance, points 6.9
6.2

Alloy Composition

Copper (Cu), % 6.6 to 7.9
19 to 21
Lithium (Li), % 0.15 to 0.3
0
Silver (Ag), % 92 to 93
69 to 71
Zinc (Zn), % 0
8.0 to 12
Residuals, % 0
0 to 0.15