Knowledge

15May, 2024

Requirements for the thickness of the zinc layer of the hot -dip galvanized c...
Hot -soaking galvanized is a metallurgical reaction process. From a micro perspective, the hot -dip galvanized process is two dynamic balance: thermal balance and zinc iron exchang
15May, 2024

Comparison of technical characteristics of spiral welded pipes and straight w...
1. Metallurgical performance of materials The straight seam buried arc welded pipe is produced with steel plates, and the spiral welded pipe is produced with hot -rolled coils. The
15May, 2024

Treatment of spiral steel pipes should avoid these defects
The spiral steel pipe has a very important role in our lives. The following is based on the thermal treatment process of the spiral steel pipe to introduce the common defects of ea
15May, 2024

Three ways to connect to spiral steel pipes
The connection methods of spiral steel pipes are mainly divided into three types. 1: Flat connection: General flange connection speed, convenient construction, simple tools, but in
14May, 2024

Causes of anticorrosive steel pipes have good anticorrosive properties
Epoxy powder anticorrosive steel pipes have excellent anticorrosive properties, and have been widely used in different areas of people's production and work. Epoxy resin is a v
14May, 2024

Check what processes of coating steel pipes
Plastic steel pipes in the inside and outside of water have the following characteristics: First, there are plastic coatings on the inner surface of the inner and outer plastic ste
14May, 2024

Steel number identification method of large -diameter spiral tube
Carbon tool steel ① The steel number is "T" to avoid mixing with other steel. ② The number in the steel number indicates the carbon content, which is represented by a few
14May, 2024

What are the advantages and disadvantages of spiral steel pipes
The spiral steel pipe is a spiral steel pipe made of steel or coils by spiral -shaped tortuous, and actively welded with both sides and welded inner seams and outer seams. For the
14May, 2024

Welding operation of spiral steel pipes
The production process of a spiral welding pipe is relatively simple, the production efficiency is relatively high, and the production cost is also low. Therefore, the spiral steel
13May, 2024

The connection method of epoxy resin anticorrosive steel pipe
1. Thread connection: The wire should be used to use the automatic silk machine to execute the current national standard GB/T7306; 2. French connection: One installation method: ca
13May, 2024

What are the safety of anti -corrosion steel pipe construction?
At present, anticorrosive steel pipes are one of the commonly used steel pipes. There are mainly 3PE anti -corrosion steel pipes, TEPE anticorrosive steel pipes, epoxy resin antico
13May, 2024

3PE anti -corrosion steel pipe execution standard
3PE anti -corrosion steel pipe execution standard The SY/T0413-2002 standard is implemented in China, which will be implemented on August 1, 2002. The standards are mainly regulate

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