The welding steel pipe is also known as the welded pipe. It is a steel pipe made of steel plates or steel with steel. Generally, it is 6 meters. Welding steel pipe production techn
Galvanized steel pipes, which have the dual advantages of corrosion resistance and long service life, and the price is relatively low, so now its usage rate is getting higher and h
Hot -dip galvanizing is a zinc liquid that is cleaned and activated on the surface. The reactions and diffusion between iron zinc are placed on the surface of the steel products th
The storage of hot -dip galvanized steel pipes in the rainy seasons has high requirements. In principle, not only requires stable palletization, different specifications, different
A more effective method for welding defect detection is to use pulse reflection ultrasound detection technology. Because it is mainly to determine whether there is a defect, the ty
Plastic steel pipes, also known as plastic pipes, steel -plastic composite pipes, and plastic composite steel pipes. They are based on steel pipes. Steel -plastic composite steel p
In the process of forming the formation of spiral buried arc tube rolling tube, one of the common forming process defects has a variety of pipe diameters. What are the causes of th
There are many types of shear machines used by rolling workshop. According to the shape and configuration of the blade of the scissors and the shape of the rolling parts, the shear
The spiral steel pipe uses a steel roll plate as the raw material. It often squeeze the city and press the spiral shape. The raw materials are steel rolls, welded wires, and solder
Execution of GB/T29047-2012 "High-density Polyethylene external care tube Polyurethane Polyette Plastic Prefabricated Inspection Pipe" standard or EN253 "Overall pre
The standard name of the hot -dip galvanized steel pipe product is "low -voltage fluid transportation of hot -dip galvanized welding steel pipe". It is the inner and oute
The spiral steel pipe is to roll the low -carbon carbon structure steel or low alloy structure steel band at the angle of the spiral line (called the forming angle) into a tube bla