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Identification method of welded pipe and seamless pipe
There are three main ways to identify welded pipes and seamless pipes (smls): 1. Metallographic method Metallographic method is one of the main methods to distinguish welded pipes and seamless pipes. High-frequency resistance welded pipe (ERW) does not add welding materials, so the weld seam in t...Read more -
Steel Pipe Uses in Gas Project
Steel pipe is the most widely used gas pipe project. Its main advantages are: high strength, good toughness, bearing stress, impact resistance and tight, good plasticity, easy welding and thermal processing, the wall thickness is thinner, saving metal. But its poor corrosion resistance, need to h...Read more -
Is carbon steel pipe a welded steel pipe?
Is carbon steel pipe a welded steel pipe? Carbon steel pipe is not welded steel pipe. Carbon steel pipe refers to the specific material of steel pipe is carbon steel, which refers to iron-carbon alloy with carbon content Wc less than 2.11%. In addition to carbon, it generally contains a small amo...Read more -
Advantages of carbon steel pipe
Due to the continuous development of urbanization, materials in the building materials market emerge in endlessly. Although these materials are relatively common in our daily life, people who do not usually run in the building materials market may not know carbon steel pipes. We will not understa...Read more -
ASTM A36 carbon steel pipe
ASTM A36 conforms to the standards of the American Society for Testing and Materials, and the ordinary carbon steel pipes produced according to the ASME standards are equivalent to China’s Q235 material, which belongs to the American Standard and Common carbon steel plate. ASTM A36 is suita...Read more -
Common Surface Defects of Welded Steel Pipe
Common surface defects of welded steel pipe: (1) layered steel Layered wall steel tube means the cross section is divided into two floors, exposed steel surface showing the hierarchical vertical cracks. Some exhibits inside and outside surfaces of steel recessed or raised locally, layered renderi...Read more