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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 -
About 3PE anti-corrosion steel pipe coating peeling method
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 -
Supply and demand imbalance in Europe’s HRC market stalls
Trading in the European HRC market has been weak recently, and HRC prices are expected to fall further amid sluggish demand. At present, the feasible level of HRC in the European market is around 750-780 euros / ton EXW, but buyers’ purchasing interest is sluggish, and no large-scale transa...Read more -
Application of seamless steel pipe
Seamless steel pipe is a long strip of steel with a hollow section and no joints around it. Steel pipes are divided into two types: hot-rolled and cold-drawn (rolled). Hot-rolled seamless pipes are generally processed on automatic lathes. The outer diameter and wall thickness have high dimensiona...Read more -
Q345B straight seam welded pipe
Q345B straight seam welded pipe is a general name, generally refers to the welded steel pipe of Q345B material. Q represents the yield of this material, and the 345 behind it refers to the yield value of this material. Below 235 is low temperature steel, and above 345 is high temperature steel. T...Read more -
Seamless steel tube root canal wire seamless steel tube
According to different application requirements, seamless steel tube root canals can be divided into steel-aluminum, aluminum-magnesium, aluminum-magnesium-manganese, aluminum-manganese, steel-stainless steel and weldable composite materials. It is a commonly used composite material with strong m...Read more -
Seamless cold drawn square tube
Seamless cold-drawn steel pipes are divided into two types: round and special-shaped according to the shape of the longitudinal section. Special-shaped pipes include rectangle, square, semicircle and various polygons. Cold drawn square tubes are widely used. The general-purpose seamless square tu...Read more