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Using high-quality soldering equipment is equally important. A soldering iron with appropriate heat settings is crucial, as overheating can damage the zinc coating and lead to unsatisfactory results. Flux, which is used to promote the flow of solder and prevent oxidation, must also be selected carefully; specific types, like rosin-based fluxes, are often more effective on galvanized surfaces.
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where \( Re \) is the Reynolds number. However, as the flow transitions to a turbulent regime, the calculation becomes more complex. The turbulent flow friction factor is determined using empirical correlations, such as the Colebrook-White equation, which accounts for both the Reynolds number and the relative roughness of the pipe.
friction factor of galvanized iron pipe factory
