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ASTM B780 Alloy vs. AWS BAg-8a

Both ASTM B780 alloy and AWS BAg-8a are otherwise unclassified metals. They have a very high 97% of their average alloy composition in common. There are 13 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is ASTM B780 alloy and the bottom bar is AWS BAg-8a.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 83
83
Poisson's Ratio 0.36
0.36
Shear Modulus, GPa 30
31
Tensile Strength: Ultimate (UTS), MPa 330 to 590
150

Thermal Properties

Latent Heat of Fusion, J/g 140
140
Specific Heat Capacity, J/kg-K 270
290
Thermal Expansion, µm/m-K 18
19

Otherwise Unclassified Properties

Density, g/cm3 10
10

Common Calculations

Stiffness to Weight: Axial, points 4.5
4.6
Stiffness to Weight: Bending, points 14
15
Strength to Weight: Axial, points 9.1 to 16
4.2
Strength to Weight: Bending, points 11 to 15
6.3
Thermal Shock Resistance, points 16 to 29
6.7

Alloy Composition

Cadmium (Cd), % 0 to 0.050
0
Copper (Cu), % 23.5 to 25.7
26.4 to 28.8
Iron (Fe), % 0 to 0.050
0
Lead (Pb), % 0 to 0.030
0
Lithium (Li), % 0
0.25 to 0.5
Nickel (Ni), % 0.35 to 0.65
0
Silver (Ag), % 74 to 76
71 to 73
Zinc (Zn), % 0 to 0.060
0
Residuals, % 0
0 to 0.15