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AWS BAg-7 vs. AWS BAg-36

Both AWS BAg-7 and AWS BAg-36 are otherwise unclassified metals. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 87% of their average alloy composition in common.

For each property being compared, the top bar is AWS BAg-7 and the bottom bar is AWS BAg-36.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 83
86
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 31
32
Tensile Strength: Ultimate (UTS), MPa 150
160

Thermal Properties

Brazing Temperature, °C 650 to 900
680 to 810
Latent Heat of Fusion, J/g 130
140
Melting Completion (Liquidus), °C 650
680
Melting Onset (Solidus), °C 620
650
Specific Heat Capacity, J/kg-K 290
310
Thermal Expansion, µm/m-K 20
21

Otherwise Unclassified Properties

Density, g/cm3 9.3
9.0
Embodied Carbon, kg CO2/kg material 55
44
Embodied Energy, MJ/kg 860
700

Common Calculations

Stiffness to Weight: Axial, points 4.9
5.3
Stiffness to Weight: Bending, points 16
16
Strength to Weight: Axial, points 4.5
4.9
Strength to Weight: Bending, points 6.7
7.3
Thermal Shock Resistance, points 6.4
6.4

Alloy Composition

Copper (Cu), % 21 to 23
26 to 28
Silver (Ag), % 55 to 57
44 to 46
Tin (Sn), % 4.5 to 5.5
2.5 to 3.5
Zinc (Zn), % 15 to 19
23 to 27
Residuals, % 0 to 0.15
0 to 0.15