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AWS BAg-22 vs. AWS BVAg-18

Both AWS BAg-22 and AWS BVAg-18 are otherwise unclassified metals. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 65% of their average alloy composition in common.

For each property being compared, the top bar is AWS BAg-22 and the bottom bar is AWS BVAg-18.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 96
82
Poisson's Ratio 0.33
0.36
Shear Modulus, GPa 36
30
Tensile Strength: Ultimate (UTS), MPa 140
180

Thermal Properties

Brazing Temperature, °C 700 to 1040
720 to 840
Latent Heat of Fusion, J/g 150
140
Melting Completion (Liquidus), °C 700
720
Melting Onset (Solidus), °C 680
600
Specific Heat Capacity, J/kg-K 320
280
Thermal Expansion, µm/m-K 21
19

Otherwise Unclassified Properties

Density, g/cm3 9.0
9.7
Embodied Carbon, kg CO2/kg material 48
59
Embodied Energy, MJ/kg 760
930

Common Calculations

Stiffness to Weight: Axial, points 5.9
4.7
Stiffness to Weight: Bending, points 17
15
Strength to Weight: Axial, points 4.3
5.1
Strength to Weight: Bending, points 6.6
7.3
Thermal Shock Resistance, points 5.1
8.1

Alloy Composition

Cadmium (Cd), % 0
0 to 0.0010
Carbon (C), % 0
0 to 0.0050
Copper (Cu), % 15 to 17
28.5 to 31.5
Lead (Pb), % 0
0 to 0.0020
Manganese (Mn), % 7.0 to 8.0
0
Nickel (Ni), % 4.0 to 5.0
0
Phosphorus (P), % 0
0 to 0.0020
Silver (Ag), % 48 to 50
59 to 61
Tin (Sn), % 0
9.5 to 10.5
Zinc (Zn), % 21 to 25
0 to 0.0010
Residuals, % 0 to 0.15
0