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AWS BAg-34 vs. AWS BAg-36

Both AWS BAg-34 and AWS BAg-36 are otherwise unclassified metals. Both are furnished in the as-fabricated (no temper or treatment) condition. They have a moderately high 92% of their average alloy composition in common.

For each property being compared, the top bar is AWS BAg-34 and the bottom bar is AWS BAg-36.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 89
86
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 34
32
Tensile Strength: Ultimate (UTS), MPa 170
160

Thermal Properties

Brazing Temperature, °C 680 to 840
680 to 810
Latent Heat of Fusion, J/g 140
140
Melting Completion (Liquidus), °C 720
680
Melting Onset (Solidus), °C 650
650
Specific Heat Capacity, J/kg-K 330
310
Thermal Expansion, µm/m-K 21
21

Otherwise Unclassified Properties

Density, g/cm3 8.8
9.0
Embodied Carbon, kg CO2/kg material 38
44
Embodied Energy, MJ/kg 600
700

Common Calculations

Stiffness to Weight: Axial, points 5.6
5.3
Stiffness to Weight: Bending, points 17
16
Strength to Weight: Axial, points 5.4
4.9
Strength to Weight: Bending, points 7.7
7.3
Thermal Shock Resistance, points 6.5
6.4

Alloy Composition

Copper (Cu), % 31 to 33
26 to 28
Silver (Ag), % 37 to 39
44 to 46
Tin (Sn), % 1.5 to 2.5
2.5 to 3.5
Zinc (Zn), % 26 to 30
23 to 27
Residuals, % 0
0 to 0.15