Seamless steel pipe


All posts for Seamless steel pipe

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 3 months agoPress > Seamless steel pipepipe weldingWelding Rod

Manufacturing Method of Seamless Steel Pipe for Conveying Fluid

The seamless steel pipe for conveying fluid is a general seamless pipe used for conveying water, oil, gas and other fluids. It is mainly used for conveying fluid pipes on engineering and large equipment. Representative materials (brands) are #20, Q345, etc. Executive standards for seamless pipes ...

shirley xiao


Posted 4 months agoPress > Seamless steel pipeConveying FluidManufacturing Method

Tempering Performance of A106B American Standard Seamless Steel Pipe

Research shows that the mechanical and pitting corrosion properties of A106 B American standard seamless steel pipes with different tempering temperatures are also quite different. The same type and quantity of precipitation at different temperatures is an important reason that affects the corro ...

shirley xiao


Posted 4 months agoPress > A106B American standardTemperingSeamless 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 4 months 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 6 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 7 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 7 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 8 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 8 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 9 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 10 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 11 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 11 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 1 year agoPress > Seamless steel pipemarking3PE