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Characteristics of mining plastic-coated steel pipes
Has the following characteristics: (1) Flame retardant and antistatic The product adopts mining polyethylene coating, and its antistatic and flame retardant components are evenly distributed on the surface and inner layer of the pipe, which meets the requirements of MT181 and is suitable for spec...Read more -
Socket type plastic coated steel pipe has excellent hygienic performance
The advantages of the socket-type plastic-coated steel pipe: the socket-type plastic-coated steel pipe has good corrosion resistance and can work for a long time in harsh environments such as acid, alkali and salt. Non-toxic, hygienic and non-breeding of microorganisms. The inner wall of the sock...Read more -
The important position of spiral steel pipe anticorrosion in industrial manufacturing
The spiral pipe is used as a conveying pipe to transport various fluids such as oil, gas, and water. It is like the blood vessels of our human body, which continuously transports and distributes the rational use of various energy sources for our motherland. It is precisely because of the high-qua...Read more -
The difference between the welding requirements of stainless steel special-shaped pipe and carbon steel pipe
According to the relevant technical investigation: In general, the welding requirements of stainless steel special-shaped pipes are basically the same as those of carbon steel pipes. However, the differences are as follows: 1. The hammers and brushes used by welders are preferably made of stainle...Read more -
The difference between necked butt welding flange and flat welding flange
1. Neck butt welding flange refers to a flange with a tapered neck and butt welding with the cylinder or pipe. is an integral flange;The full name of the flat neck flange is the steel pipe flange with neck flat welding. 2. The welding seam between the necked butt welding flange and the pip...Read more -
What is the difference between 20# seamless steel pipe and 20G seamless steel pipe
First, the difference in use. 20# seamless steel pipes are structural pipes, fluid pipes, and low and medium pressure boiler pipes. 20G seamless steel pipe is a high pressure boiler tube. In addition to the same carbon content, 20G seamless steel pipes also have some trace elements, which are mor...Read more -
Classification of steel pipes and uses
1. Pipes for pipes. Such as: seamless pipes for water, gas pipes, steam pipes, oil pipelines, and pipes for oil and natural gas trunk lines. Agricultural irrigation faucets with pipes and sprinkler irrigation pipes, etc. 2. Tubes for thermal equipment. Such as boiling water pipes, superheated ste...Read more -
Steel pipes for construction
Steel pipes for construction can be divided into seamless steel pipes and seamed steel pipes according to the seam and seamless.Seamed steel pipes are divided into spiral steel pipes and straight seam steel pipes according to different welds. The two are widely used in building piling, structure,...Read more -
Classification of pipes
1. Classification by production method (1) Seamless pipe – hot rolled pipe, cold rolled pipe, cold drawn pipe, extruded pipe, pipe jacking (2) Welded pipe (3) According to the process – arc welded pipe, electric resistance welded pipe (high frequency, low frequency), gas welded pipe, ...Read more -
Steel prices or weak operation
This week, the mainstream price in the spot market is mainly down. Specifically, the market was disturbed by the epidemic and there were heavy rains in many parts of South China and Southwest China, and the market demand weakened. At the same time, the coke was raised in two rounds, the raw mater...Read more -
Steel prices should not be overly bearish
On May 12, the domestic steel market price fluctuated weakly, and the ex-factory price of Tangshan common billet rose 20 to 4,660 yuan/ton. Today, the black futures market fell across the board. Coupled with the impact of heavy rainfall in southern and eastern China, the market mentality deterior...Read more -
Design principle of seamless steel pipe plant
Design principle of seamless steel pipe plant: Seamless steel pipe plant 1. Using the three-dimensional space simulation module, the three-dimensional coordinate system of the curved surface is established according to the relationship between the curved surface and the building axis provi...Read more