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AWS BAg-36 vs. AWS BAg-28

Both AWS BAg-36 and AWS BAg-28 are otherwise unclassified metals. Both are furnished in the as-fabricated (no temper or treatment) condition. They have a moderately high 94% of their average alloy composition in common.

For each property being compared, the top bar is AWS BAg-36 and the bottom bar is AWS BAg-28.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 86
88
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 32
33
Tensile Strength: Ultimate (UTS), MPa 160
150

Thermal Properties

Brazing Temperature, °C 680 to 810
680 to 840
Latent Heat of Fusion, J/g 140
140
Melting Completion (Liquidus), °C 680
710
Melting Onset (Solidus), °C 650
650
Specific Heat Capacity, J/kg-K 310
320
Thermal Expansion, µm/m-K 21
21

Otherwise Unclassified Properties

Density, g/cm3 9.0
8.9
Embodied Carbon, kg CO2/kg material 44
40
Embodied Energy, MJ/kg 700
630

Common Calculations

Stiffness to Weight: Axial, points 5.3
5.6
Stiffness to Weight: Bending, points 16
17
Strength to Weight: Axial, points 4.9
4.7
Strength to Weight: Bending, points 7.3
7.1
Thermal Shock Resistance, points 6.4
5.8

Alloy Composition

Copper (Cu), % 26 to 28
29 to 31
Silver (Ag), % 44 to 46
39 to 41
Tin (Sn), % 2.5 to 3.5
1.5 to 2.5
Zinc (Zn), % 23 to 27
26 to 30
Residuals, % 0
0 to 0.15