News
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Advantages and disadvantages of spiral welded steel pipe
Advantages of spiral welded steel pipe: (1) Steel pipes of different diameters can be produced by using strip steel of the same width, especially steel pipes of large diameter can be produced by narrow strip steel. (2) Under the same pressure conditions, the stress of the spiral welded seam is sm...Read more -
Precautions for storing straight seam steel pipes
Most merchants did not use it soon after purchasing straight seam steel pipes. So do we need to pay attention to the storage of straight seam steel pipes? The staff of straight seam steel pipe manufacturers is reminded that how to store straight seam steel pipes correctly will play a very good ro...Read more -
Understanding of thick-walled steel pipes and precautions in use
Domestic understanding of thick-walled steel pipes: Thick-walled steel pipes, steel pipes whose outer diameter to wall thickness ratio is less than 20 are called thick-walled steel pipes. Mainly used as petroleum geological drilling pipes, cracking pipes for the petrochemical industry, boiler pip...Read more -
The difference between galvanized steel pipe and plastic coated steel pipe
1. Galvanized steel pipe to make the molten metal react with the iron matrix to produce an alloy layer so that the matrix and the coating are combined. Hot-dip galvanizing is to pickle the steel pipe first. To remove the iron oxide on the surface of the steel pipe, after pickling, it is cleaned b...Read more -
Derusting method and production process of large diameter straight seam steel pipe
Large-diameter straight seam welded pipe is a general name, which is produced by steel strips, and the pipes welded by high-frequency welding equipment are called straight seam welded pipes. (It gets its name because the welding of the steel pipe is in a straight line). Among them, according to d...Read more -
Straight seam steel pipe acceptance method and problem-solving
Acceptance of straight seam steel pipe: 1. The inspection and acceptance of straight seam steel pipes shall be carried out by the technical supervision department of the supplier. 2. The supplier guarantees that the delivery of straight seam steel pipes complies with the provisions of the corresp...Read more