As there are a variety of welded steel pipes in the current steel pipe market, it becomes a difficult job for most customers to purchase good quality of welded steel pipe for projects, expect for a good luck from God. In reality, it can not be denied that some manufacturers intend to cut comers in order to maximize their profits, which causes lots of shoddy products in steel market. What’s worse, due to substandard products on sale, it will cause certain problems in the practical use in the future and even bring unnecessary economic loss to the users. How to identify the quality of welded steel pipe seems a very important issue for customers today.
Galvanized steel pipe generally has the rational cost effective in the market. Compared with other typical steel pipe coatings, such as specialized painting and powder coating, galvanization is much more labor-intensive, resulting in a higher initial cost for contractors. Besides, due to its durability and anti-corrosive properties, galvanized steel pipe can recycled and reused, which to some degree save a lot of money during the post maintenance work. Hot dipped galvanized 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 scratches, which makes the steel look more attractive.
Cold rolled steel pipe has an improved surface finish and tighter tolerances as well as more precise dimensionally compared with other types of steel pipe in the steel pipe market, for this type of steel pipe has already gone through the cooling process, which help it closer to the finished dimension in a mill. Compared with cold rolled steel products, Hot rolled steel is more malleable, allowing it to be forced into a variety of different shapes such as round steel pipe, square steel pipe, rectangular steel pipe and some other shapes of steel products.
In short, In a word, it is always necessary for customers to have the comprehensive product knowledge in order to identify the quality of the steel pipe in the process of choosing the desired products from various unknown products in future.