Product News
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DSAW(Double-sided spiral submerged arc welded pipe)characteristics
DSAW(Double-sided spiral submerged arc welded pipe)characteristics: production process of welded pipe is simple, high efficiency, low cost, rapid development. The strength of the spiral welded pipe is generally higher than dsaw pipe and can narrow the billet production of large diameter pipe, you...Read more -
Classification and role of tubing
1. Tubing classification Tubing can be divided into the tubing (NU), upset tubing (EU) and the overall joint tubing. Flat means the oil casing pipe end without directly threading thicker and bring couplings. Upset tubing means after two pipe ends through external upset, then threading and bring c...Read more -
Ceramic-lined steel pipe
Ceramic-lined steel pipes are manufactured by a high-tech production process and are made of a breeding high-temperature synthetic clutch. It is made of corundum ceramic and the transition layer consists of three layers of steel from the inside out. Ceramic-lined steel pipes represent ceramic-lin...Read more -
The 3PE anticorrosive steel pipe has these advantages
3PE anti-corrosion steel pipe refers to a 3-layer structure polyolefin coating (MAPEC) outer anti-corrosion steel pipe, which is a commonly used anti-corrosion pipe in China. At present, 3pe steel pipe is widely used, which is an indispensable steel pipe in the pipeline industry. Do you know why ...Read more -
Oil casing is the lifeline for maintaining oil and running
Petroleum special pipe is mainly used for drilling of oil and gas wells and transportation of oil and gas. It includes petroleum drilling pipe, petroleum casing, and sucker pipe. Oil drill pipe is mainly used to connect drill collar and drill bit and transmit drilling power. Oil casing is mainly ...Read more -
Where does the classification of stainless steel pipes come from？
Where does the classification of stainless steel pipes come from？ In stainless steel pipes, steel that is resistant to corrosion by weakly corrosive media such as air, steam, and water, and chemically corrosive media such as acid, alkali, and salt, is also called stainless acid-resistant steel...Read more -
These advantages of the export welding process of spiral steel pipes have directly established its market position
These advantages of the export welding process of spiral steel pipes have directly established its market position 1.High production efficiency On the one hand, the conductive length of the welding wire is shortened, and the current and current density are increased, so the penetration depth of t...Read more -
Do you really know the specific use of seamless steel tubes?
Seamless steel tubes are very versatile. General purpose seamless steel tubes are rolled from ordinary carbon structural steel, low alloy structural steel or alloy structural steel, with the largest output, and are mainly used as pipelines or structural parts for transporting fluids. According to...Read more -
Annealing type of spiral steel pipe
Annealing type of spiral steel pipe 1. Spheroidizing annealing Spheroidizing annealing is mainly used for hypereutectoid carbon steel and alloy tool steel (such as steel used for manufacturing cutting tools, measuring tools, and molds). Its main purpose is to reduce hardness, improve machinabili...Read more -
Matters needing attention in storage and construction of galvanized pipe
Matters needing attention in storage and procurement of galvanized pipes Galvanized pipes are very common in people. It is very common for users to use heating pipes for heating. Galvanized pipes are coated with zinc inside to play a role of corrosion resistance. Due to improper use or being wet ...Read more -
How is the welding seam of anti-corrosion spiral welded pipe treated?
The anti-corrosion spiral welded pipe has single-sided welding and double-sided welding. The welded pipe should ensure the hydrostatic test, the tensile strength of the weld and the cold bending performance must meet the requirements. Butt welding seam: It is a circular weld formed by connecting ...Read more -
Basic requirements for anti-corrosive construction of welded steel pipes
1. The processed components and finished products shall not be disposed of externally until they are accepted by experience. 2. The burrs on the outer surface of the welded steel pipe, welding skin, welding knobs, spatters, dust and scale, etc. should be cleaned before removing rust, and loose ox...Read more