How to choose high-quality hot dip galvanized steel pipe wisely:
First of all, let's know what kind of steel pipe is hot dip galvanized steel pipe. In fact, hot dip galvanized pipe is a kind of steel pipe after special processing. Because zinc is generally not found to change in the dry air, the effect of coating a layer of zinc on the surface of the steel pipe is to prevent the corrosion of the steel pipe. We call a kind of steel pipe hot dip galvanized steel pipe. A large number of pipelines used for transporting liquids, such as oil, natural gas, water, gas, steam, etc., are widely used. So, how do we choose qualified high-quality hot dip galvanized steel pipe wisely?
Galvanized steel pipe on the market can be roughly divided into hot dip galvanized steel pipe and galvanized steel pipe these two kinds. General hot dip galvanized layer is thicker, with uniform coating, strong adhesion, conventional use of long life, and other advantages. The cost of galvanized steel pipe is low, and the surface is not very smooth, and its corrosion resistance is much different than that of a hot-dip galvanized steel pipe. So in the choice of galvanized steel pipe or hot dip galvanized steel pipe quality belongs to the top, so in the purchase of hot dip galvanized steel pipe how to distinguish the quality of hot dip galvanized steel pipe?
The performance of hot dip galvanized steel pipe is better than that of other common steel pipes.
The key points of choosing hot-dip galvanized steel pipe are as follows:
1, smooth appearance, no zinc tumor, burr, silver white;
2, no hydrogen embrittlement, and no temperature damage, can ensure the mechanical properties of the material are unchanged;
3, good corrosion resistance, neutral salt spray test up to 240 hours.
The above are some points that need to be paid attention to in the selection of hot dip galvanized steel pipe arranged by Xiaobian for you.
