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The Technological Development Process of ERW Steel Pipe

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 3 days agoPress > erw steel pipeTechnological Developmentwelded pipe +1

Analysis of Main Causes of Gas Pipeline Leakage

There are many causes of gas pipeline leakage accidents. In an industrial system dominated by diversified mechanisms, management and maintenance and construction quality are the main causes of gas pipeline leakage. Find out the basic causes of the accident and take timely preventive work. It is an ...

lvy lee - Permanent Steel Manufacturing Co.,Ltd


Posted 12 days agoPress > Gas Pipeline LeakageChina Pipe manufacturerOil and Gas

How to Get Out of Trouble for Seamless Steel Pipe Manufacturers

The seamless steel pipe industry has been in a downturn for nearly a year. Faced with this phenomenon, many seamless steel companies are demanding a new way out. So, in the face of this phenomenon, what exactly do companies need to survive in such a market environment and even make a profit? Seam ...

lvy lee - Permanent Steel Manufacturing Co.,Ltd


Posted 1 month agoPress > seamless steel pipe manufacturerBusiness

Causes of Cracking of ERW Welded Pipes and Countermeasures

Thermal cracking refers to the cracks generated at high temperature, also known as high temperature cracks or crystal cracks, which usually occur inside the weld, and sometimes may also appear in the heat affected zone. The manifestations are: longitudinal cracks, transverse cracks, root cracks, cra ...

lvy lee - Permanent Steel Manufacturing Co.,Ltd


Posted 1 month agoPress > ERW Welded PipeChina Pipe manufacturer

Electric Resistance Welded (ERW) Pipe Manufacturing Process

Electric resistance welding ( ERW Pipe ) is used to transport oil, natural gas and other vapor and liquid objects, which can meet various requirements of high and low pressure, and currently occupies a pivotal position in the field of transportation pipes in the world. The electric resistance weld ...

lvy lee - Permanent Steel Manufacturing Co.,Ltd


Posted 1 month agoPress > electric resistance welded pipeERW pipeManufacturing Process

The Difference Between Stainless Seamless Steel Pipe and Welded Steel Pipe

Seamless steel pipe  is a long steel with a hollow section and no joints on the periphery. Simply put,  stainless steel pipes  are made of stainless steel material. Stainless steel pipes are also divided into seamless stainless steel pipes and welded stainless steel pipes. Seamless steel pipes are ...

lvy lee - Permanent Steel Manufacturing Co.,Ltd


Posted 1 month agoPress > seamless stainless steel pipeSeam Pipeseamless pipe

Differences between High Frequency Resistance Welded Pipe and Submerged Arc Welded Pipe

Comparison of process characteristics and quality performance of several steel pipes: ERW Pipe is divided into induction welding and contact welding according to different welding methods. Using hot-rolled wide strip steel coils as raw materials, through pre-bending, continuous forming, weldin ...

lvy lee - Permanent Steel Manufacturing Co.,Ltd


Posted 1 month agoPress > high frequency resistance welded pipesubmerged arc welded pipeSAW Pipe

How to Distinguish the Quality of Seamless Stainless Steel Pipes

Seamless stainless steel pipes are referred to as seamless pipes , with rough surface and indefinite length. Commonly used in boilers, central air conditioners, steel structures, mechanical processing, pipeline gas, fire fighting, etc. With the wide application of seamless stainless steel, there a ...

lvy lee - Permanent Steel Manufacturing Co.,Ltd


Posted 2 months agoPress > Seamless Stainless Steel PipesOil and Gas

ASTM A53 ERW Steel Pipe Inspection Process

The details of A53 ERW pipe evaluation process: 1. Non-destructive testing Rotate the detection arm of the inspection station into the straight seam welded pipe productionline, observe the position of the weld through the camera, adjust the front and rear position ofthe probe with the operating le ...

lvy lee - Permanent Steel Manufacturing Co.,Ltd


Posted 2 months agoPress > ASTM A53erw steel pipeInspection Process

Differences between Hot Rolled and Cold Rolled Seamless Steel Tube

What is the difference between a hot-rolled  seamless steel pipe  and a cold-rolled seamless steel pipe? Is the usual seamless steel pipe a hot-rolled seamless steel pipe? Cold-rolled seamless steel pipes are often of small diameter, and hot-rolled seamless steel pipes are often of large diameter. ...

lvy lee - Permanent Steel Manufacturing Co.,Ltd


Posted 3 months agoPress > structureFluid pipeSeamless steel pipe

What Welding Rod is Used for Seamless Steel Pipe? How is the Welding Done?

Seamless steel pipe is the steel pipe with the largest consumption and the highest demand. The production volume and the manufacturer are the largest steel pipe types. In many cases, the competition of seamless steel pipes is relatively large and has become the main object of competition. Seamless s ...

lvy lee - Permanent Steel Manufacturing Co.,Ltd


Posted 4 months agoPress > Seamless steel pipepipe weldingWelding Rod

How to Carry Out Quality Inspection of Spiral Steel Pipe

Due to its superior performance, spiral steel pipes are now widely used in power industry, agricultural irrigation, tap water engineering, petrochemical industry, chemical industry, urban construction, etc., in order to avoid the circulation of unqualified products in the market, causing many inco ...

lvy lee - Permanent Steel Manufacturing Co.,Ltd


Posted 4 months agoPress > spiral steel pipequality inspectionSSAW

Oil and Gas Storage and Transportation Projects Promote the Use of ERW Steel Pipes

The operation conditions of oil storage and transportation system in petrochemical enterprises are relatively "mild" compared with production equipment. Its working pressure is generally below 2.5Mpa, in some cases up to 4.0 Mpa; the working temperature is generally below 100 °C, the highest does no ...

lvy lee - Permanent Steel Manufacturing Co.,Ltd


Posted 4 months agoPress > Oil and GasStorage and Transportationerw steel pipe +1

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 5 months 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 5 months agoPress > stainless steel pipewelded pipeVarious Industries +1