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Types of Stainless Steel Flanges

by rohan 9 months ago in product review
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In today's world, stainless steel is one of the most extensively utilized metals. This metal beats various other metals due to its physical qualities, such as corrosion resistance and endurance. This metal is utilized in several industrial, commercial, and residential items including Stainless Steel Flanges.

One of the most often utilized metals in today's world is stainless steel. This metal exceeds a variety of other metals in terms of physical qualities including corrosion resistance and endurance. This metal is utilized in a range of commercial and industrial applications.


Although two pieces of metal piping can be soldered or welded together, this method of joining pipes is prone to breaking under high pressure. As a consequence, even at high pressures, gases and liquids will not burst.

Types of Stainless Steel Flanges You Should Know About-

Weld Neck Stainless Steel Flanges: These flanges are distinguished by their protruding necks. Welded neck flanges are well-known for being used in a variety of provider situations, including subzero or elevated temperatures, as well as high pressure. These flanges are also available in heavy barrel (HB) and equal barrel (E) configurations.

Stainless Steel Slip-On Flanges: Slip-On Flanges are the cheapest Flanges on the market. Slip-on flanges have a slightly larger diameter than the pipe because, as the name implies, they should be easier to slide over the pipe. For example, in the case of a big diameter pipeline, the pipe is provided with a regular welding neck flange on one end and a  slip- on flange on the other: by simply turning the slip on flange on the pipe, the operators may accomplish precise bolt hole alignment in a much easier and faster manner. Slip-on flanges are also known as "Hubbed Flanges," because their sleek and compact design makes them simple to spot.

Blind Flanges: The flanges are used to seal vessel openings or piping systems and are designed without a bore. These flanges are ideal for piping systems or vessels that need to be inspected regularly. Blind flanges with or without hubs are available. Internal pressure causes high stress, which this flange can easily handle. While this flange type is easier to manufacture, it is marketed at a higher average cost per kilogramme than the other flange kinds.

Lap Joint Flanges: Stub end fittings are used with lap joint flanges, which are a type of slip-on flange. These flanges are perfect for piping systems that need to be inspected and maintained regularly, such as low alloy steel or carbon steel pipes.

Socket Weld Flanges: The flanges are intended for use on piping with small diameters and high pressures. Internal welds in the socket weld flanges contribute to their durability and fatigue strength. The chemical processing industry makes use of these flanges.

Orifice Flanges: The above steel flanges are used to gain access to a line to meter liquids or gases. Orifice plates or flow nozzles are installed in the orifice flanges.These flanges are available in a variety of sizes and material grades, although they are not always in stock. In terms of requirements, diameters, and material grades, Orifice flanges are similar to expander flanges.

Ring–Type Joint Flanges: These flanges are designed to withstand high pressures and temperatures. On blind, slip-on, or weld neck flanges, the ring-type joint flanges have a groove that can be easily compressed. The flanges aid in the prevention of leaks in pipelines that transport media at high pressures and temperatures.

The molybdenum gives 904L Flanges stronger overall corrosion-resistant qualities, notably increased pitting and crevice corrosion in chloride conditions, than conventional molybdenum-bearing flanges. It has outstanding forming and welding properties. Grade 904 also offers excellent welding properties. These flanges have outstanding durability, even at cryogenic temperatures, thanks to their austenitic structure.


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