Knowledge

14Jan, 2025

The Impact of Iron in Molten Zinc on Hot-Dip Galvanizing
Iron (Fe) is silvery-white in color, with a relative atomic mass of 56. The melting point of pure iron is 1535°C, and its boiling point is 3000°C. The primary sources of ir
13Jan, 2025

The Influence of Lead (Pb) in Molten Zinc on Hot-Dip Galvanizing
Lead (Pb), with a cubic lattice structure and a gray appearance, has an atomic weight of 207.21, a melting point of 327°C, and a boiling point of 1540°C. In hot-dip galvani
13Jan, 2025

Sources of Alloy Components in the Galvanizing Pot
The sources of various alloy components in molten zinc can be categorized into three main types: Firstly, there are the inevitable natural inclusions in commercial zinc or remelted
13Jan, 2025

Factors Influencing the Normal Microstructure of Galvanized Coatings
There are numerous factors that affect the normal microstructure of galvanized coatings, but the three most significant ones can be summarized as follows: (1) Changes in the chemic
13Jan, 2025

How is zinc securely plated onto steel?
The formation of a zinc layer on steel pipes involves complex physical and chemical interactions between the steel pipes and molten zinc. When zinc is in a liquid state, it can ero
13Jan, 2025

Operating Methods for Drying
There are two primary methods for drying solvent on steel pipes both domestically and internationally: the rolling pipe method and the chain conveyor method. Consequently, the dryi
10Jan, 2025

What are the impacts of excessive drying time for steel pipes?
When steel pipes coated with solvent are dried in a drying oven, excessive drying time can have two implications: one is an excessively long drying time at a higher temperature, an
10Jan, 2025

Issues Arising from Inadequately Dried Steel Pipes
When steel pipes are coated with a solvent aqueous solution and then dried, if they are not heated to the required drying temperature for hot-dip galvanizing and contain excessive
10Jan, 2025

Determination of Drying Temperature
The determination of drying temperature is formulated based on the type of solvent, as various solvent components have different melting points. For instance, zinc chloride has a m
10Jan, 2025

Main Components of Dry Process Solvents
The components commonly used in "dry process" solvents are mainly as follows: (1) Using hydrochloric acid (HCl) with a concentration of 31% (360 grams per liter, Baum&eac
10Jan, 2025

Main Components of Wet Process Flux
The commonly used "wet process" flux mainly consists of the following two types of components: One type uses ammonium chloride (NH₄Cl) alone as the flux. The other type e
09Jan, 2025

Purpose of Using Flux
After pickling, rinsing, and optionally immersion in a diluted hydrochloric acid solution, steel pipes must be coated with a layer of concentrated hydrochloric acid, aqueous zinc c

First 29 30 31 32 33 34 35 Last 32/111