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AWS BAg-1 vs. AWS BAg-21

Both AWS BAg-1 and AWS BAg-21 are otherwise unclassified metals. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 60% 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-1 and the bottom bar is AWS BAg-21.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 75
85
Poisson's Ratio 0.33
0.36
Shear Modulus, GPa 28
31
Tensile Strength: Ultimate (UTS), MPa 170
150

Thermal Properties

Brazing Temperature, °C 620 to 760
700 to 900
Latent Heat of Fusion, J/g 110
140
Melting Completion (Liquidus), °C 620
800
Melting Onset (Solidus), °C 610
690
Specific Heat Capacity, J/kg-K 280
280
Thermal Expansion, µm/m-K 23
19

Otherwise Unclassified Properties

Density, g/cm3 9.2
9.8
Embodied Energy, MJ/kg 690
970

Common Calculations

Stiffness to Weight: Axial, points 4.6
4.8
Stiffness to Weight: Bending, points 15
15
Strength to Weight: Axial, points 5.1
4.2
Strength to Weight: Bending, points 7.4
6.4
Thermal Shock Resistance, points 7.0
6.6

Alloy Composition

Cadmium (Cd), % 23 to 25
0
Copper (Cu), % 14 to 16
27.5 to 29.5
Nickel (Ni), % 0
2.0 to 3.0
Silver (Ag), % 44 to 46
62 to 64
Tin (Sn), % 0
5.0 to 7.0
Zinc (Zn), % 14 to 18
0
Residuals, % 0 to 0.15
0 to 0.15