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August 11, 2018
Description for reducers' OD, WT and standards

Butt weld reducers are divided into concentric reducers and eccentric reducers according to centerline.

August 03, 2018
Some standards for Spiral steel pipe

Some standards are suitable for spiral steel pipe, they are divided into below: 

August 01, 2018
how to manufacture welded pipe fittings

Welded pipe fittings is one kind of pipe fitting that made of welded pipe. For the pipe fitting manufacturer,

August 01, 2018
Four basic classifications of steel pipes

Let's talk about steel pipes.

July 31, 2018
Seamless steel tubes' national standards

For seamless steel tubes, there are many different national standards

July 20, 2018
Pipe caps' usage

We are one of cap manufacturer in Yanshan, Cangzhou. Steel pipe caps are widely used to protect the end of pipe, so the shape is

July 19, 2018
The concentric reducer's application

     Concentric reducers have a common center line.

July 19, 2018
The function for large diameter pipe flanges

In the pipeline system, flange connection is a kind of detachable connection, which can be connected according to different parts to e

July 17, 2018
The specifications and materials of Welded steel pipes

A high-frequency welding machine to roll a long strip of certain specifications into a round tube and weld it through a straight seam.

July 12, 2018
About seamless steel pipes' production process

Pipes are starting materials of fittings, but do you know how seamless steel pipes are produced? Let 's learn together. 

July 06, 2018
the applied range for 304 stainless steel tubes

304 stainless steel tubes are applied to our life. What's the reason?

July 05, 2018
The advantage and disadvantage of stainless steel elbows

 The advantage and disadvantage of stainless steel elbows.

July 04, 2018
forged blind flanges' specifications and process

There is no bore in the central area of forged flanges, so it is called blind. They are frequently used in petroleum industry, natural

June 29, 2018
butt weld steel elbow introduction

In accordance with the curvature radius, elbows can be classified i

June 29, 2018
the product type of ASME B16.9 butt weld pipe fittings

ASME B16.9 is an American standard for butt weld pipe fittings, including many products, like 

June 29, 2018
Hot rolled seamless steel pipe specifications and usage

Hot rolled seamless steel pipe specifications and usage 

June 22, 2018
ASTM A234 WPB equal tee and reducing tee

 Pipe tees are common used fittings, there are three bores. 

June 22, 2018
The process of LSAW pipe

 Longitudinally Submerged Arc Welding(LSAW)pipe

June 21, 2018
2 types of pipe fittings reducer

Butt weld reducers are pipe fittings that are wide

June 12, 2018
weld neck flange and long weld neck flange

Weld neck flange and long weld neck flange are similar. They all have neck. But the neck of long weld neck flanges are longer than wel

June 12, 2018
Butt weld elbow ANSI B16.9

Cangzhou Hengjia Pipeline Co.,Ltd is a professional factory which focus on butt weld fittings made of various materials, including car

June 12, 2018
different standards of forged flanges

HENGJIA PIPELINE is a professional manufacturer of high quality forged flanges with different standards, including DIN, EN, ASME, GOST

June 08, 2018
Choose the right storeroom for seamless and welded steel pipes

Cangzhou Hengjia Pipeline Co.,Ltd remind you of the conditions for seamless and

June 06, 2018
classification of forged flanges and usage

The classification of flanges 

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