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Steel Flanges
- Posted: 03/31/2022 09:03:20
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Overview There are many types of flanges, and there are many working conditions. How to choose the right flange in the actual situation? The specific selection types and occasions will be talked about in this article. Types of flanges Flanges can be classified into weld neck flanges,...
Failures Caused by Manufacturing & Installation of SS Flanges (Part Two)
- Posted: 03/09/2022 09:03:33
- Hits: 24
3. Welding processes and failure factor analysis of flanges In order to improve the reliability of the connection between the flange and pipeline, welding is generally used. Under the action of a high-temperature heat source during fusion welding, the area where the structure and properties...
Failures Caused by Manufacturing & Installation of SS Flanges (Part One)
- Posted: 02/10/2022 07:02:26
- Hits: 128
Abstract: Two typical cases in chemical plants are listed. The failures of flanges are caused by manufacturing and installation. After analyzing and studying the failed parts, it is found that the surface defects in the forging process and the improper selection of welding materials or processes are...
Current Status of Research on Bolted Flanges
- Posted: 01/06/2022 02:01:36
- Hits: 19
In recent decades, the work done by domestic and foreign researchers on bolted flanges has focused on the performance of gaskets and loosening of bolts, and significant progress has also been made in some areas. Bolted flanges are generally in the assembly structure, and accurate and...
Bolted Flanges
- Posted: 12/22/2021 04:12:02
- Hits: 37
Sealing by gaskets is the most important static sealing at the detachable joints of pressure vessels, process equipment, power machines and connecting pipes in industrial units. Their working conditions are very complex, and the range of media is quite wide. Preventing liquid or gas from...
Structure of Austenitic SS Bellows & F6NM Martensitic SS Flanges after Welding (Part Two)
- Posted: 12/08/2021 07:12:42
- Hits: 22
Observed the microstructure of the heat-affected zone, fusion zone and weld metal zone on the F6NM martensite flange side, as shown in Figure 5. In the as-welded state, the base metal and weld metal of the F6NM martensite flange side (Figure 5a) were well formed, and there were a...
Structure of Austenitic SS Bellows & F6NM Martensitic SS Flanges after Welding (Part One)
- Posted: 11/25/2021 01:11:43
- Hits: 49
Abstract The microstructure and mechanical properties of the welded joints of 316Ti stainless steel bellows used for valves and F6NM martensitic stainless steel flanges in the as-welded state and post-weld heat treatment (PWHT) were studied in this article. The results showed that the...
Strength and Hardness of Metal Gaskets of Flanges
- Posted: 10/22/2021 10:10:18
- Hits: 205
In order to be resistant to corrosion in the atmosphere, if the flange is in an industrial atmosphere or a heavily polluted area, it needs to be cleaned in time to avoid corrosion. Stainless steel flanges are suitable for food processing, storage and transportation. In high-pressure equipment and...
The Manufacturing of Welding Flanges
- Posted: 09/24/2021 11:09:56
- Hits: 161
The welding process of the flange The welding process of the flange is to fix two pipes, pipe fittings or equipment on a welding first. Put a gasket between the two welds, and then use bolts to complete the connection. Welding is an important connection for the construction of...