Advantages and Disadvantages of ERW, LSAW Steel Pipe
January 05, 2021


Straight seam steel pipe is a steel pipe whose weld seam is parallel to the longitudinal direction of the steel pipe. The production process of...

Research on C02 and H2S Corrosion of Oil and Gas Pipelines
December 21, 2020


With the increasing exploitation of oil and natural gas, the corrosion and protection of oil and gas pipelines have also received more and more...

Application of Resistance Welding in Industrial Production
December 18, 2020


Resistance welding was invented at the end of the 19th century. It is a method of welding by applying pressure to the assembled weldment throug...

What are the Factors that Affect the Coating of Seamless Steel Pipes?
December 14, 2020


The factors that affect the coating of seamless steel pipes mainly include the following four points: The passive film of seamless steel pipes ...

Hardness Testing of Welded Steel Pipe
November 16, 2020


Hardness is one of the most commonly used indexes to evaluate the mechanical properties of metal materials. The essence of hardness is the abil...

Process Difference between Spiral Steel Pipe and Straight Seam Welded Pipe
November 10, 2020


Spiral steel pipes and straight seam steel pipes are welded steel pipes. They are widely used in the transportation of liquids in various indus...

Precautions during Maintenance of Straight Seam Steel Pipe
November 05, 2020


Straight seam steel pipe is a kind of welded steel pipe. After forming a hot-rolled steel coil by a forming machine, the steel coil is transfor...

Electric Resistance Welded (ERW) Pipe Manufacturing Process
October 19, 2020


Electric resistance welding (ERW) is used to transport oil, natural gas and other vapor and liquid objects, which can meet various requirements...

ASTM A53 ERW Steel Pipe Inspection Process
October 13, 2020


The details of A53 ERW pipe evaluation process:
1. Non-destructive testingRotate the detection arm of the inspection station into the straight ...

How to Protect the Cathode and Anode of Tubing and Casing
October 09, 2020


Oil casing pipe is a steel pipe used to support the walls of oil and gas wells to ensure the normal operation of the entire oil well after the ...

Oil and Gas Storage and Transportation Projects Promote the Use of ERW Steel Pipes
July 15, 2020

The operation conditions of oil storage and transportation system in petrochemical enterprises are relatively "mild" compared with production eq...

Urban Gas Pipeline Network Using ERW Steel Pipe and its Anti-corrosion Problems
July 08, 2020

Comparison of pipe materials used in urban gas pipeline network:At present, the urban gas pipeline network mainly uses ERW steel pipes, cast iro...

Analysis of Oil Well Casing Technology and Welding Process
July 02, 2020


Analysis of oil well casing technology:
Well structure damage is a common problem in oilfield mining operations. Based on the complexity of the...

Non-destructive Testing of ERW Straight Seam Steel Pipe
June 29, 2020

1. Basic requirements for the appearance of ERW straight seam steel pipe weldsBefore the non-destructive testing of straight seam steel pipes(ER...

Difference Between ERW Steel Pipes and UOE Steel Pipes
June 08, 2020


The difference between ERW straight seam resistance welded steel pipe and LSAW straight seam submerged arc welded (UOE) steel pipe:
1. The diff...

Several Common Skills in Purchasing Spiral Steel Pipes
June 03, 2020


In the procurement of the spiral welded steel pipe market, some customers are often deceived, while others are very angry. Today, let ’s talk a...