Be careful for selecting your welded steel pipe in projects

Welded steel pipe is always the best favor in a variety of projects today. As is known to all, different welded steel pipe specifications are closely related to their practical application requirements. From the shape of welded pipe, it can be divided into two categories: longitudinal welded pipe and spiral welded pipe. On the one hand, by comparison between these two types of pipes, welded steel pipe obviously has a wider range of applications than spiral welded pipe. On the other hand, with the high requirements of the raw materials and processing technology, spiral welded pipe has the better performance than longitudinal welded pipe in certain applications. In addition, according to different welding forms, welded pipe can be divided into automatic submerged arc welded steel pipe and high frequency welded steel pipe. In the actual purchase, customers should have enough command of the desired products so as to select the proper products in the end.

Hot dipped galvanized steel pipe has been considered popular a lot among many users today. For one thing, the galvanization process protects the steel from rusting damage that can occur during transportation, installation and service. The zinc layer on the surface of pipe can form a barrier protection for steel products to extend the service life in applications. For the other thing, this layer is also resistant to wear and scratch, which makes the steel look more attractive. Testing and studies have revealed that the average life expectancy for galvanized steel used as a typical structure material is well beyond 50 years in a rural environment and 20-25 years or more in an extreme urban or coastal setting. In that regard, contractors can confidently use this product in project.

Mild steel is available in a variety of structural shapes that are easily welded into pipe or tube and etc. Today, mild steel pipe has been used for most of the pipelines in the world, for it is not only be easily welded into place flexibly but also can somewhat avoid cracking and breaking under pressure. Furthermore, most of round steel pipes and tube are easy to fabricate, readily available, and cost less than most other metals. In well protected environments, the life expectancy of mild steel pipe is 50 to 100 years. Unlike high-carbon steel pipe, mild steel pipe has carbon contents of less than 0.18%, so this type of pipe is easily welded while some types of high-carbon steel pipe, such as stainless steel pipe, which requires special techniques in order to properly weld the material.

In recent years, China hollow section tubes play an active role in the steel pipe market. Every year, lots of customers from different countries come to Tianjin to seek for their desired steel pipes. Today, China hollow section tubes also offer advantages of corrosion protection in applications. Some hollow sections have rounded corners resulting in a better protection than that with sharp corners. This is especially true for the joints in circular hollow sections where there is a smooth transition from one section to another.