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AWS BAg-18 vs. C74400 Nickel Silver

AWS BAg-18 belongs to the otherwise unclassified metals classification, while C74400 nickel silver belongs to the copper alloys. They have a modest 30% of their average alloy composition in common, which, by itself, doesn't mean much. There are 17 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is AWS BAg-18 and the bottom bar is C74400 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 82
110
Poisson's Ratio 0.36
0.31
Shear Modulus, GPa 30
39
Tensile Strength: Ultimate (UTS), MPa 170
350

Thermal Properties

Latent Heat of Fusion, J/g 130
180
Melting Completion (Liquidus), °C 720
930
Melting Onset (Solidus), °C 600
910
Specific Heat Capacity, J/kg-K 280
390
Thermal Expansion, µm/m-K 19
20

Otherwise Unclassified Properties

Density, g/cm3 9.7
8.2
Embodied Carbon, kg CO2/kg material 59
2.9
Embodied Energy, MJ/kg 930
48

Common Calculations

Stiffness to Weight: Axial, points 4.7
7.4
Stiffness to Weight: Bending, points 15
19
Strength to Weight: Axial, points 4.9
12
Strength to Weight: Bending, points 7.0
14
Thermal Shock Resistance, points 7.7
12

Alloy Composition

Copper (Cu), % 28.4 to 31.5
62 to 66
Iron (Fe), % 0
0 to 0.050
Lead (Pb), % 0
0 to 0.050
Nickel (Ni), % 0
2.0 to 4.0
Silver (Ag), % 59 to 61
0
Tin (Sn), % 9.5 to 10.5
0
Zinc (Zn), % 0
29.6 to 36
Residuals, % 0
0 to 0.3