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AWS BAg-23 vs. AWS BVAg-31

Both AWS BAg-23 and AWS BVAg-31 are otherwise unclassified metals. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 58% of their average alloy composition in common.

For each property being compared, the top bar is AWS BAg-23 and the bottom bar is AWS BVAg-31.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 90
90
Poisson's Ratio 0.36
0.36
Shear Modulus, GPa 33
33
Tensile Strength: Ultimate (UTS), MPa 170
180

Thermal Properties

Brazing Temperature, °C 750 to 1040
850 to 890
Latent Heat of Fusion, J/g 130
150
Melting Completion (Liquidus), °C 970
850
Melting Onset (Solidus), °C 960
820
Specific Heat Capacity, J/kg-K 270
280
Thermal Expansion, µm/m-K 20
18

Otherwise Unclassified Properties

Density, g/cm3 10
10

Common Calculations

Stiffness to Weight: Axial, points 5.0
4.9
Stiffness to Weight: Bending, points 15
15
Strength to Weight: Axial, points 4.7
4.9
Strength to Weight: Bending, points 6.8
7.0
Thermal Shock Resistance, points 6.8
7.8

Alloy Composition

Cadmium (Cd), % 0
0 to 0.0010
Carbon (C), % 0
0 to 0.0050
Copper (Cu), % 0
31 to 33
Lead (Pb), % 0
0 to 0.0020
Manganese (Mn), % 13.9 to 16
0
Palladium (Pd), % 0
8.0 to 12
Phosphorus (P), % 0
0 to 0.0020
Silver (Ag), % 84 to 86
57 to 59
Zinc (Zn), % 0
0 to 0.0010
Residuals, % 0 to 0.15
0