English | português | русский| Español

Our company


Hebei haihao high pressure flange & pipe fitting group was established in 1982, located in Mengcun County the hometown of pipe fittings in China.

Read More About Haihao Group

X80 heating induction bends are produced successfully in Cangzhou

On June 12th,there is a good news from CNPC Tubular Goods Research Institute that the trial mass production of API 5L X80 heating induction bends which OD in 1422mm and wall thickness in 25.7mm,30.8mm and 33.8mm respectively produced by JULONG Steel Pipe Co.,Ltd have passed all the random examination at once,and their performance are even higher than the standard.

JULONG steel pipe is located in Cangzhou City,Hebei Province,which is famous in the steel pipes and fittings industry.This test was extremely strict and no secondary detection is allowed in these testing programs.If can’t pass at one time,the production must start again from beginning.The JULONG company has passed the unit trial production before this time.This small batch trial production is organized by its building project department and its target market isthe eastern line of Sino-Russia Natural Gas Pipeline Project.

1422*33.8mm Heating Induction Bend in Cangzhou Julong

1422*33.8mm Heating Induction Bend in Cangzhou Julong

As an important technological reserve of high end products of oil and gas pipeline in the future,this project is also a key research project in this company.The 1422mm bends has high steel grade,large OD,thicker wall thickness and complicated manufacturing process.This production is for the first time in China and abroad.JULONG Company solved the problem and made success through careful organization, repeated experiment,constantly summarizing, improving equipment and process and optimal use of raw material etc.The engineer from Hebei Haihao Group is very pound to study,participate in and witness this wonderful achievement.

 The API 5L X80 Pipe Bends After Burst Proof Test

The API 5L X80 Pipe Bends After Burst Proof Test

The success of small batch trial production of X80 heat induction bends lays the strong foundation for the final success of the whole project and also provides a strong technical support for the development of eastern line of Sino-Russia pipeline market.

<< Back to Market News

Haihao Group Twitter haihao group youtube haihao group facebook haihao group linkedin