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AWS BAg-21 vs. AWS BAg-2

Both AWS BAg-21 and AWS BAg-2 are otherwise unclassified metals. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 61% of their average alloy composition in common. There are 17 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is AWS BAg-21 and the bottom bar is AWS BAg-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 85
82
Poisson's Ratio 0.36
0.32
Shear Modulus, GPa 31
31
Tensile Strength: Ultimate (UTS), MPa 150
180

Thermal Properties

Brazing Temperature, °C 700 to 900
700 to 840
Latent Heat of Fusion, J/g 140
130
Melting Completion (Liquidus), °C 800
700
Melting Onset (Solidus), °C 690
610
Specific Heat Capacity, J/kg-K 280
310
Thermal Expansion, µm/m-K 19
22

Otherwise Unclassified Properties

Density, g/cm3 9.8
8.9
Embodied Energy, MJ/kg 970
550

Common Calculations

Stiffness to Weight: Axial, points 4.8
5.1
Stiffness to Weight: Bending, points 15
16
Strength to Weight: Axial, points 4.2
5.6
Strength to Weight: Bending, points 6.4
7.9
Thermal Shock Resistance, points 6.6
7.0

Alloy Composition

Cadmium (Cd), % 0
17 to 19
Copper (Cu), % 27.5 to 29.5
25 to 27
Nickel (Ni), % 2.0 to 3.0
0
Silver (Ag), % 62 to 64
34 to 36
Tin (Sn), % 5.0 to 7.0
0
Zinc (Zn), % 0
19 to 23
Residuals, % 0 to 0.15
0 to 0.15