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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 11 days 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 12 days 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 1 month 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 1 month 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 1 month 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 2 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 2 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 2 months 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 3 months 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 3 months 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 3 months 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 3 months 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 3 months 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 4 months 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 4 months agoPress > erw steel pipeTechnological DevelopmentHome and Abroad +1