Seamless steel pipe exporter

Material for the straight seam steel pipe, it should belong to the current frequency of use of the most extensive one of the steel products in the construction, equipment production and other fields and has a wide range of applications. With the continuous improvement of market technology, Longitudinal Welded Pipe production process is also being improved. However, the straight seam steel pipe material in the course of which has a more important use of instructions, straight seam steel pipe in terms of compression, or extension, and so there is a gap between the seamless pipe. Straight seam steel pipe  material to Q235B, Q345B, Q345C, Q345D mostly, welcome customers to choose to order. I plant production and management diameter 57 ~ 1620mm, wall thickness of 2 ~ 60mm straight seam steel pipe, galvanized straight seam steel pipe, thermal expansion of straight seam steel pipe, large diameter straight seam steel pipe. Commonly used materials are Q235B, 16Mn, Q345B, L245, L290...

There are many customers who buy seamless steel pipes from international market, factory inspection performed fine, third party inspection report shows good, but when they receive the cargo, there are some disappointments. So today, we’ll talk about some tips of how to tell defected seamless steel pipes.  1. Defected SMLS steel pipe are tend to folding. 2. Defected steel pipe surface often have surface phenomenon. 3. Fake steel pipe surface prone to scarring.  4. Pseudo-inferior material is easy to produce cracks on the surface, because its blank is adobe, adobe pores, adobe in the cooling process due to the role of thermal stress, cracks, after rolling cracks. 5. Defected steel pipe easy to scratch 5. Defected steel pipe without metallic luster, light red or similar pig iron color, for two reasons, its blank is adobe.  7. Defected steel tube of fine and low, often appear dissatisfied with the phenomenon, because the manufacturers to achieve a large negat...