Powder Coating Galvanized Steel Pipe

Recently we have a requirement of powder coating ral 9006 jotun make on hot dip galvanized tanks of size app 1 5 mtrs x 1 mtr x 1 mtr.

Powder coating galvanized steel pipe. Figure 2 pictures of 25 year old hdg support vs. Powder coating hot dipped galvanized steel powder coatings on hot dip galvanized steel provide an excellent corrosion resistant coating. Figure 1 pictures of new galvanized pipe and painted steel pipe. The duplex system provides a high grade architectural finish that does not contain any volatile material and the coating is particularly abrasion resistant.

We are facing problems in powder coating. The selection of this duplex system has two major attractions. For many years designers had to rely on using galvanization or paint alone to protect their steel components. One of the most durable protective coatings for steel is provided by applying a polyester powder coating over hot dip galvanized steel to provide a high grade architectural finish to steel items.

The aga offers preparing hdg steel for powder coating a package that includes an instructional guide booklet and step by step dvd video on how to prepare the hot dip galvanized steel surface for powder coating. A duplex system is simply painting or powder coating steel that has been hot dip galvanized after fabrication. Pt p hot dipped galvanized support. The galvanized coating protects the base steel supplying cathodic and barrier protection.

There are certain powder coating companies that have better knowledge of this process and will do a more reliable job of it and some that are not as good. When paint and galvanized steel are used together the corrosion control provided is superior to either system used alone. The specification astm d7803 contains detail on how to prepare the hot dip galvanized surface for powder coating. For engineers and architects looking to create high quality painted steel components there s no better method than the powder coating over hot dip process.

We degrease the tank after galvanizing with tri chloro ethylene and then carry out powder coating. Galvanized steel with a powder coated surface. Bubble problems powder coating galvanized steel 2004. Make sure the coater has had previous experience with powder over galvanized steel.

Hot dip galvanizing is coating of metallic zinc bonded with steel to form a source of corrosion protection for steel. One of the most durable protective coatings for steel is provided by applying a polyester powder coating over hot dip galvanized steel to provide a high grade architectural finish to steel items. Painting is a coating paint or powder coating in its various forms is just simply a coating. It does no more than adhere to the underlying steel as you.