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AWS BAg-20 vs. C78200 Nickel Silver

AWS BAg-20 belongs to the otherwise unclassified metals classification, while C78200 nickel silver belongs to the copper alloys. They have 62% of their average alloy composition in common. There are 17 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is AWS BAg-20 and the bottom bar is C78200 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 93
110
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 35
43
Tensile Strength: Ultimate (UTS), MPa 160
370 to 630

Thermal Properties

Latent Heat of Fusion, J/g 150
190
Melting Completion (Liquidus), °C 770
1000
Melting Onset (Solidus), °C 680
970
Specific Heat Capacity, J/kg-K 340
390
Thermal Expansion, µm/m-K 21
19

Otherwise Unclassified Properties

Density, g/cm3 8.6
8.4
Embodied Carbon, kg CO2/kg material 30
3.3
Embodied Energy, MJ/kg 480
52

Common Calculations

Stiffness to Weight: Axial, points 6.0
7.4
Stiffness to Weight: Bending, points 17
19
Strength to Weight: Axial, points 5.1
12 to 21
Strength to Weight: Bending, points 7.6
14 to 19
Thermal Shock Resistance, points 5.9
12 to 21

Alloy Composition

Copper (Cu), % 37 to 39
63 to 67
Iron (Fe), % 0
0 to 0.35
Lead (Pb), % 0
1.5 to 2.5
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0
7.0 to 9.0
Silver (Ag), % 29 to 31
0
Zinc (Zn), % 30 to 34
20.2 to 28.5
Residuals, % 0
0 to 0.5