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AWS BAg-37 vs. AWS BAg-36

Both AWS BAg-37 and AWS BAg-36 are otherwise unclassified metals. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 79% of their average alloy composition in common.

For each property being compared, the top bar is AWS BAg-37 and the bottom bar is AWS BAg-36.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 94
86
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 36
32
Tensile Strength: Ultimate (UTS), MPa 180
160

Thermal Properties

Brazing Temperature, °C 780 to 890
680 to 810
Latent Heat of Fusion, J/g 150
140
Melting Completion (Liquidus), °C 780
680
Melting Onset (Solidus), °C 690
650
Specific Heat Capacity, J/kg-K 350
310
Thermal Expansion, µm/m-K 21
21

Otherwise Unclassified Properties

Density, g/cm3 8.5
9.0
Embodied Carbon, kg CO2/kg material 26
44
Embodied Energy, MJ/kg 410
700

Common Calculations

Stiffness to Weight: Axial, points 6.1
5.3
Stiffness to Weight: Bending, points 18
16
Strength to Weight: Axial, points 5.9
4.9
Strength to Weight: Bending, points 8.3
7.3
Thermal Shock Resistance, points 6.6
6.4

Alloy Composition

Copper (Cu), % 39 to 41
26 to 28
Silver (Ag), % 24 to 26
44 to 46
Tin (Sn), % 1.5 to 2.5
2.5 to 3.5
Zinc (Zn), % 31 to 35
23 to 27
Residuals, % 0
0 to 0.15