cold drawn tubes

 Hot dip galvanized pipe surface is plated layer or electric galvanized welded steel pipe. Galvanized steel pipe corrosion resistance can increase, prolong service life. The purpose of the product is very wide, in addition to a general low pressure fluid such as water, oil line pipe, also used in the oil industry, such as Marine oil field cold drawn tubes oil well pipe, oil pipe, chemical coking equipment of oil heater, the condensing, exchange of coal distillation wash oil cooler for tube, and trestle pile, mining tunnel supporting frame tube, etc.
Galvanized pipe common cleaning methods are as follows:
1, the first to use solvent to clean steel, the surface of the organic matter removal;
2, then use the tools (wire brush) derusting, remove scale, rust, loose or tilted welding slag, etc.;
3, the use of acid pickling.
Hot galvanized pipe is divided into hot and cold, the plating coating is not easy to rust, cold plating is easy to rust.
Advantages: hot dip galvan... [More Information]