3PE anti-corrosion steel pipe refers to a 3-layer structure polyolefin coating (MAPEC) external anti-corrosion steel pipe, which is a commonly used anti-corrosion pipeline in China. Other anti-corrosion methods include IPN8710, FBE epoxy powder, epoxy coal tar, and other anti-corrosion methods. Gene

In the kingdom of steel, seamless stainless steel pipes have become the darlings of the construction, chemical, petroleum, food processing, and other industries with their excellent corrosion resistance and elegant appearance. However, to keep these metal giants in the best condition under various h

Sometimes, insufficient hardness occurs after quenching in production, which is a common defect in the heat treatment quenching process. There are two manifestations of "insufficient hardness", one is that the hardness value of the entire workpiece is low, and the other is that the local hardness is

DN225 steel pipe is a common steel pipe specification with a diameter of 225 mm and a wall thickness of 6 mm. It is commonly used in industrial, municipal engineering, and construction fields, such as water supply and drainage pipelines, oil and gas pipelines, and bridge support structures.First, th