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An Introduction to Large Diameter Carbon Steel Flanges

An Introduction to Large Diameter Carbon Steel Flanges

  • Posted: 10/17/2017 02:10:57
  • Hits: 2

There are some perforations bolts can go through on large diameter carbon steel flanges, and the bolts can make two flanges tightly connected with each other. Flanges are sealed through the gaskets. When the sizes of large diameter carbon steel flanges need to be determined, the nominal diameter as ...


What Is the Lap Joint Flange with Welding Neck Collar?

What Is the Lap Joint Flange with Welding Neck Collar?

  • Posted: 09/18/2017 11:09:10
  • Hits: 2

Lap joint flanges can be mainly divided into four types: loose plate steel pipe flanges with weld-on collar, loose plate steel pipe flanges with welding neck collar, lap joint flanges with welding neck collar and lap joint flanges with welding neck collar.   The roles of lap joint flanges Lap j...


The Differences Between Forged Flanges and Cast Flanges

The Differences Between Forged Flanges and Cast Flanges

  • Posted: 09/05/2017 04:09:12
  • Hits: 6

Cast flanges can be manufactured in various kinds of complex shapes which are difficult to be obtained for the flanges which are produced by other manufacturing methods. Cast flanges have very low costs, which make them much cheaper than forged flanges. They have characteristics of the ideal surface...


Analyses on Export of China's Flanges to the EU and the US (Part Two)

Analyses on Export of China's Flanges to the EU and the US (Part Two)

  • Posted: 08/14/2017 11:08:56
  • Hits: 11

2. The total weight of exported China's steel flanges The total weight of China's steel flanges exported to the United States, the United Kingdom, the European Union and the major countries in the EU since 2012 is shown in Figure 2 and Figure 3. The data all come from the...


Analyses on Export of China's Flanges to the EU and the US (Part One)

Analyses on Export of China's Flanges to the EU and the US (Part One)

  • Posted: 08/01/2017 11:08:02
  • Hits: 10

1. An introduction 1.1 The definition of the flange Flanges are spare parts between two shafts to connect tube ends. Flanges such as reducer flanges are also used for inlets and outlets of facilities to connect two facilities. The flange connection or the flange joint refers to a set of detach...


How to Prevent the Flange Seal from Losing Efficacy at High Temperatures?

How to Prevent the Flange Seal from Losing Efficacy at High Temperatures?

  • Posted: 07/18/2017 02:07:53
  • Hits: 12

How to prevent the flange seal from losing efficacy at high temperatures? Here are some suggestions listed as follows.   1. Set the insulation lining or ring on the inside of the gasket and the flange to change the heat condition of the flange, the bolt as well as the gasket, to redu...


Development History and Performance of Stainless Steel Flanges

Development History and Performance of Stainless Steel Flanges

  • Posted: 06/23/2017 10:06:18
  • Hits: 28

Originated in the 1980s and after more than 20 years' development and exploration, the stainless steel flange industry begins to take shape at present. The stainless steel flange is a kind of pipe fitting and is mainly made of stainless steel material. With the deve...


Advantages of Large Flanges

Advantages of Large Flanges

  • Posted: 06/10/2017 10:06:14
  • Hits: 20

Large flanges not only have different use values, effects and functions when used, but also have various materials, production processes and processing methods. Thus, we have to pay special attention to the methods of both processing and utilizing large flanges.   Common large flanges...


The Differences between Cold Forging and Hot Forging Processes of Flanges

The Differences between Cold Forging and Hot Forging Processes of Flanges

  • Posted: 05/26/2017 09:05:02
  • Hits: 30

Due to small deformation energy and resistance, hot forging process can be used to forge large flanges of complex shapes. To obtain high-precision flanges, we can use hot forging method to process flanges if the temperature field is between 900℃ and 1000℃. However, we should ...