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Precautions for spiral steel pipe stacking
Spiral pipe (SSAW) is a spiral seam carbon steel pipe made of strip steel coil as raw material, often warmly extruded, and welded by automatic double-wire double-sided submerged arc welding process. It is mainly used in water supply engineering, petrochemical, chemical, electric power, agricultur...Read more -
Production process of carbon steel welded pipe
Carbon steel welded pipes are mainly divided into three processes: electric resistance welding (ERW), spiral submerged arc welding (SSAW) and straight seam submerged arc welding (LSAW). The carbon steel welded pipes produced by these three processes have their own positioning in the application f...Read more -
Advantages and disadvantages of thermal expansion carbon steel pipes
At present, steel pipes are widely used and have many types. Thermal expansion carbon steel pipe is one of them. It has many advantages, but of course it is not without any disadvantages. The following is a detailed explanation of the advantages and disadvantages of hot-expanded steel pipes by ca...Read more -
What details should be paid attention to when using directly buried insulation pipes
Direct buried insulation pipe has always been used as a special material and has been demanded by more construction sites, but it is precisely because of its particularity that there are many places that need everyone’s attention in the process of use. In the entire laying process of the di...Read more -
What are the precautions for the construction of polyurethane direct buried pipes?
With the development of the pipeline industry, new materials are gradually listed in the market. As an efficient product in the thermal insulation industry, the polyurethane direct-buried thermal insulation pipe has excellent thermal insulation characteristics and efficient work efficiency. It is...Read more -
Common problems and solutions in the construction of directly buried thermal insulation pipes
The direct buried insulation pipe is foamed by chemical reaction of high-function polyether polyol composite material and polymethyl polyphenyl polyisocyanate as raw materials. Directly buried thermal insulation pipes are used for thermal insulation and cold insulation projects of various indoor ...Read more -
Suggestions on the peeling method of 3PE anti-corrosion coating
1.Improvement of mechanical peeling method of 3PE anti-corrosion coating ① Find or develop better heating equipment to replace the gas cutting torch. The heating equipment should be able to ensure that the spray flame area is large enough to heat the entire coating part to be peeled off at one ti...Read more -
Suggestions on the peeling method of 3PE anti-corrosion steel pipe coating
Mechanical peeling method of 3PE anti-corrosion coating At present, in the process of gas pipeline maintenance, the peeling method of 3PE anti-corrosion coating is proposed based on the analysis of the structure and coating process of 3PE anti-corrosion coating [3-4]. The basic idea of peeling ...Read more -
Application of Polyurea Anticorrosion Coating on Pipeline
From the perspective of the coating temperature range, epoxy powder coating and polyurea anti-corrosion coating can be used normally in soil corrosion environments ranging from -30 °C or -25 °C to 100 °C, while the three-layer structure polyethylene The maximum service temperature of the anti-cor...Read more -
Developed high temperature resistant 3pe anticorrosion
With the decline of energy and resource reserves, the pipeline fleet transports more and more gas, asphalt and other low-quality petroleum products, and the construction of marine pipelines is also developing continuously. Development has been uninterrupted. The following is an introduction to so...Read more -
Steel mills cut prices, and steel prices are running weakly
On October 9, the domestic steel market price fell slightly, and the ex-factory price of Qian’an Pu billet in Tangshan was stable at 3,710 yuan/ton. On the 9th, the transaction performance of the steel market was weak, the high-level resources were loosened, and the market rally was weak, a...Read more -
6 steel mills raised prices, billets fell by 20, and there is little room for steel prices to rise
On October 8, the domestic steel market price rose slightly, and the ex-factory price of Tangshan common billet fell 20 to 3710 yuan / ton. During the holiday, the prices of bulk commodities rose, and after the holiday, the market prices continued to rise, and the market trading atmosphere picked...Read more
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