Seamless steel pipe


All posts for Seamless steel pipe

What is seamless steel pipe

Seamless steel pipe is a long steel bar with a hollow section and no joints around it. Common standards include ASTM A53 , ASTM A106 , ect. Steel pipes have a hollow cross section, and are widely used as pipelines for transporting fluids, such as pipelines for transporting oil, natural gas, co ...

shirley xiao


Posted 11 days agoPress > SMLSSeamless steel pipeASTM A106

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

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

Comparison of ERW Welded Pipe and Seamless Steel Pipe (tested by PetroChina Pipe Institute)

1. Outer diameter tolerance ERW steel pipe : It is cold-formed and sizing is completed by reducing the diameter by 0.6%. The process temperature is basically constant at room temperature. Therefore, the outer diameter is controlled accurately and the fluctuation range is small, which is helpful to ...

lvy lee - Permanent Steel Manufacturing Co.,Ltd


Posted 3 months agoPress > ERW Welded PipeSeamless steel pipePetroChina Pipe +1

Hardness Test Method for Seamless Steel Pipe

The hardness test of  seamless steel tube  can be divided into two methods, one is tensile test and the other is hardness test. The following small series is introduced in detail for everyone: The seamless steel pipe produced by the tensile test, the tensile tester of the sample will be pulled to t ...

lvy lee - Permanent Steel Manufacturing Co.,Ltd


Posted 3 months agoPress > Seamless steel pipeHardness Test

High-pressure Boiler Seamless Steel Pipe

High pressure boiler  seamless steel tube  is a kind of boiler tube, which belongs to the seamless steel tube category. The manufacturing method is the same as the seamless pipe, but there are strict requirements on the steel type used for manufacturing the steel pipe. High-pressure boiler seamless ...

lvy lee - Permanent Steel Manufacturing Co.,Ltd


Posted 4 months agoPress > Seamless steel pipeHigh-pressure BoilerSeamless Tube

Introduction Of Stainless Steel Seamless Pipe With 12% Nickel Contained (00Cr17Ni14Mo2)

You must have heard of stainless steel pipe supplier said he can provide 12% nickel contained stainless steel pipe. So what exactly a 12% nickel contained stainless steel pipe is? Stainless steel pipes with 12% nickel content are only found in the GB / T14976-2002 standard. T ...

roger chen - kaysuns industry limited


Posted 4 months agoPress > 00CR17NI14MO2Seamless steel pipe316l seamless pipe +1

Precautions for Seamless Steel Pipe Production

Cold drawn precision  seamless steel tube  has the characteristics of no oxide layer on the inner and outer walls, high pressure without leakage, high precision, high smoothness, no deformation during cold bending, no flaring and no cracks, and antirust treatment on the surface. It is mainly used fo ...

lvy lee - Permanent Steel Manufacturing Co.,Ltd


Posted 6 months agoPress > Seamless steel pipeProductionPrecautions

Comparison of Performance and Technical Indicators of ERW and SML

1. Tube blank quality ERW steel pipe  special steel has high purity. Through de-S, de-P, de-aeration, Ca treatment and other methods, the S and P content can be controlled below 0.005%, the N content can be controlled below 0.008%, the shape of the inclusions can be controlled to be spherical and t ...

lvy lee - Permanent Steel Manufacturing Co.,Ltd


Posted 6 months agoPress > erw steel pipesmls pipeTechnical Indicators +1

Annealing Process of Seamless Steel Pipe

Annealing process of  seamless steel pipe : 1. Fully annealed. It is used to refine the coarse and superheated structure with poor mechanical properties in medium and low carbon steels after casting, forging and welding. The workpiece is heated to a temperature between 30 and 50 ° C above the temper ...

lvy lee - Permanent Steel Manufacturing Co.,Ltd


Posted 7 months agoPress > Seamless steel pipecarbon steelannealing process

Specification and Requirements for Seamless Steel Pipe Marking

In the relevant regulations, there are a series of regulations and requirements for  seamless steel pipe  marking. The specific requirements for the logo are as follows: 1. The seamless steel pipe manufacturer's logo should be eye-catching, firm, clear, standardized, and not easy to fade. 2. The m ...

lvy lee - Permanent Steel Manufacturing Co.,Ltd


Posted 7 months agoPress > Seamless steel pipemarking3PE

What is the ERW Steel Pipe

" ERW steel pipe " is a straight seam electric resistance welded pipe. English Electric Resistance Welding, abbreviated as ERW, is used to transport vapor and liquid objects such as oil and natural gas. It can meet various requirements of high and low pressure, and currently accounts for the world i ...

lvy lee - Permanent Steel Manufacturing Co.,Ltd


Posted 8 months agoPress > erw steel pipelsaw steel pipewelded pipe +1

The Development Prospect of Seamless Steel Pipe is Very Good

Among the many high-quality pipe materials, seamless steel pipe is the most noteworthy one. This type of pipe material not only has a clear market advantage, but also a lot of fields that can be applied. This typical hollow-section pipe material not only transports various fluids, but also serve ...

lvy lee - Permanent Steel Manufacturing Co.,Ltd


Posted 8 months agoPress > Seamless steel pipehollow sectionraw material

Difference Between 10# and 20# of Seamless Steel Pipe

Along with the continuous development of the society and the modern development of urbanization, the use of seamless steel pipes is becoming more and more extensive, such as the construction of electrified high-speed railways, substations, and communication facilities. Therefore, the demand for seam ...

lvy lee - Permanent Steel Manufacturing Co.,Ltd


Posted 8 months agoPress > Seamless steel pipecarbon steelhigh pressure boiler tube +1

How To Clean The Inner Wall Of A Seamless Steel Pipe

Everyone knows that seamless steel pipes will have oil stains and oxide scales generated by welding and some other dirt during the production process. The outer wall is better cleaned: if it is oily, it can be washed with organic solvent or lye. If it is rusted, use a special rust remover. But how ...

lvy lee - Permanent Steel Manufacturing Co.,Ltd


Posted 9 months agoPress > Seamless steel pipecarbon steelinner wall +1