CANGZHOU WILSON PIPELINE CO.,LTD

The seamless steel pipe and the welded steel pipe have a weld bead on the inner wall of the welded pipe, and are seamless. The seamless...

What is galvanized steel pipe ? Galvanized pipes, also known as galvanized steel pipes, are pided into hot-dip galvanizing and...

1. Welded steel pipes for low-pressure fluid transportation are used to transport water, gas, steam, compressed air, etc.; structural...

The large-diameter seamless steel pipe adopts unique technology. Its finished appearance looks high precision, and the quality of the...

At present, large-diameter thick-walled steel pipes, large-diameter thick-walled seamless steel pipes, small-diameter thick-walled...

Seamless steel pipe for structural use in general structure and mechanical structure, a large number of structural steel pipe structures...

1. The cross section is different: the cross section of the square tube is square; the cross section of the rectangular tube is...

1. The site or warehouse where the steel is kept should be selected at the midpoint of clean and clean, poor drainage, and away from the...

1. High frequency welding process of straight seam steel pipe: according to the way in which the high frequency current generates heat in...

The overall heat treatment process and overall heat treatment of the seamless square tube are characterized in that there is no...

There are two main methods for forming welded square tubes: solid bending and hollow bending. 1. solid bending It means that the bending...

Apart from the factors such as coating variety, coating quality and construction condition, the surface treatment of elbow has an effect...

1. The welded pipe is made of steel plate welded by high-frequency electric resistance welded pipe (ERW welded pipe), straight seam...

The oil casing pipe is a large-diameter pipe that acts as a fixed oil and gas well wall or wellbore. The casing pipe is inserted into the...

The oil industry is an industry that uses a large number of oil pipes. Oil pipes play an important role in the oil industry: 1. The oil...

The specification puts forward clear requirements for the remanence of the spiral steel pipe, so it is necessary to grasp the method of...

Spiral steel pipe is also called a spiral steel pipe, which is generally referred to as a spiral steel pipe with a diameter of more than...

With the rapid development of the petroleum industry, the serious corrosion of oil well casings, buried pipelines, tank bottoms,...

The causes and prevention methods of the stomata of the spiral steel pipe welds, the shortcomings of the spiral steel pipe weld zone are...