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Production Method and Application Field of High-pressure Seamless Steel Pipe

What is high-pressure seamless steel pipe ? It is a type of boiler tube and belongs to the seamless steel tube category. The manufacturing method is the same as that of seamless steel tubes, but there are certain strict requirements for the steel types used for manufacturing steel tubes. Since high ...

lvy lee - Permanent Steel Manufacturing Co.,Ltd


Posted 16 days agoPress > boiler tubeHigh-pressure Seamless Steel Pipeapplication field +1

Application of Stainless Steel Welded Pipe in Various Industries

Stainless steel welded pipe, abbreviated as welded pipe, is a steel pipe that is usually welded after the steel or steel belt is rolled by the unit and the mold. Welded steel pipe production process is simple, high production efficiency, many varieties and specifications, less equipment investment ...

lvy lee - Permanent Steel Manufacturing Co.,Ltd


Posted 21 days agoPress > stainless steel pipewelded pipeVarious Industries +1

ERW Steel Pipe and SAW, SML Steel Pipe Performance Comparison

1. Comparison of ERW and SAW steel pipes Because the length of SAW ( Spiral Steel Pipe ) weld is about 4~5 times of the length of ERW weld, and the inner weld nodules are not removed by technological means, the friction of the inner wall of the pipeline is inevitably increased when the medium is con ...

lvy lee - Permanent Steel Manufacturing Co.,Ltd


Posted 25 days agoPress > erw steel pipeSAW PipeSML steel pipe +2

Urban Gas Pipeline Network Using ERW Steel Pipe and its Anti-corrosion Problems

Comparison of pipe materials used in urban gas pipeline network: At present, the urban gas pipeline network mainly uses ERW steel pipes , cast iron pipes and polyethylene (PE) pipes. From the perspective of safety and economy, that is, to ensure the quality of the project , the safety of gas s ...

lvy lee - Permanent Steel Manufacturing Co.,Ltd


Posted 26 days agoPress > Gas Pipelineerw steel pipeAnti-corrosion Problems +2

Non-destructive Testing of ERW Welded Pipe

In order to protect the quality of the ERW welded pipe we produce, we will conduct quality inspection on each welded pipe produced. So what are the inspection methods for welded pipe? Today we will follow the editor of the Permanent Steel Manufacturing Co., Ltd  welded pipe manufacturer to understa ...

lvy lee - Permanent Steel Manufacturing Co.,Ltd


Posted 1 month agoPress > ERW Welded PipeNon-destructive TestingERW pipe +1

The Difference Between Spiral Steel Pipe and Straight Seam Steel Pipe

In recent years, there has been a large supply of spiral steel tubes in the market. Everyone knows the main uses and performance of spiral steel tubes, but most people still don't know the difference in performance between spiral steel tubes and straight seam steel tubes. Spiral steel pipe and strai ...

lvy lee - Permanent Steel Manufacturing Co.,Ltd


Posted 1 month agoPress > spiral steel pipestraight seam steel pipeERW pipe

Several Common Skills in Purchasing Spiral Steel Pipes

In the procurement of the spiral welded steel pipe market, some customers are often deceived, while others are very angry. Today, let 's talk about common deceptions in the spiral welded steel pipe market to prevent people from being deceived again.   The spiral welded steel pipe manufacturer or ...

lvy lee - Permanent Steel Manufacturing Co.,Ltd


Posted 1 month agoPress > spiral steel pipespurchasing

How to Maintain Oil Casing Pipe

At present, many oil companies are protecting oil casing pipe , and do not allow the use of wear-resistant belts. So how to repair the casing problem? Many drilling companies have tried many methods to remove the toughness of the tungsten carbide of the drill pipe. In the welding process of the wea ...

lvy lee - Permanent Steel Manufacturing Co.,Ltd


Posted 1 month agoPress > casing pipeOil and GasMaintain

The Technological Development Process of ERW Steel Pipes at Home and Abroad

High frequency straight seam welded pipe (ERW) is the hot rolled coil plate formed by the forming machine, using the skin effect and proximity effect of high frequency current to heat and melt the edge of the tube blank, and pressure welding under the action of the squeeze roller To achieve product ...

lvy lee - Permanent Steel Manufacturing Co.,Ltd


Posted 2 months agoPress > erw steel pipeTechnological DevelopmentHome and Abroad +1

Corrosion Mechanism and Anti-corrosion Process of Oil Well Casing

The damage to the wellbore structure of oil fields and water wells not only affects the normal production of damaged wells, but also affects the normal development of adjacent wells and even blocks, and poses a great threat to the stable production of the entire oil field. The main factors that caus ...

lvy lee - Permanent Steel Manufacturing Co.,Ltd


Posted 2 months agoPress > well casingAnti-corrosion ProcessCorrosion Mechanism +1

Anti-corrosion Process of Oil Casing Pipe

Corrosion of oil casing is related to factors such as partial pressure of corrosive gas, ambient temperature, water content, salinity, flow rate, pH value and so on. So what are the anti-corrosion processes of the oil  casing pipe ? Let 's take a brief look: 1. Cement sealing anticorrosion skills I ...

lvy lee - Permanent Steel Manufacturing Co.,Ltd


Posted 2 months agoPress > casing pipeAnti-corrosion Processmining industry

Seamless Steel Pipe Market Is Not Optimistic Under the COVID-19

Under the COVID-19 epidemic situation, the seamless steel pipe market is not optimistic, and the production rhythm must not be chaotic. With the effective control of the new coronary pneumonia epidemic in China and the accelerated pace of resumption of production and production, the fundamental p ...

lvy lee - Permanent Steel Manufacturing Co.,Ltd


Posted 2 months agoPress > covid-19Seamless steel pipeSeamless Steel Pipe Market

Forming Process of High Frequency Straight Seam Welded Pipe (ERW)

The production process of high-frequency welded pipe depends primarily on the product variety, from raw materials to product requirements through a series of processes, to complete these processes requires a variety of corresponding mechanical equipment and welding, electrical control, testing equip ...

lvy lee - Permanent Steel Manufacturing Co.,Ltd


Posted 2 months agoPress > welded pipestraight seam welded pipeERW pipe +1

Three Differences Between Oil Casing Pipe and Oil Drill Pipe

There are three main differences between oil casing pipe and oil drill pipe : 1. different uses; 2. different functions; 3. different materials. 1.Uses of oil casing pipe and oil drill pipe: Oil casing is a steel pipe used to support the well wall of oil and gas wells to ensure the normal operat ...

lvy lee - Permanent Steel Manufacturing Co.,Ltd


Posted 2 months agoPress > casing pipedrill pipeOil and Gas +1

Affected by the COVID-19: the Global Seamless Steel Pipe Plant Has Reduced its Output to Upgrade

The epidemic situation of new coronary pneumonia in foreign countries is becoming more and more serious. Affected by the COVID-19 situation, global steel mills have reduced their output of production, and some foreign steel companies have taken measures to stop production and reduce production. ...

lvy lee - Permanent Steel Manufacturing Co.,Ltd


Posted 3 months agoPress > Seamless steel pipeSeamless Steel Pipe PlantReduce Output +1