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Top 5 Tips To Choose the best Stainless Steel Flanges

Stainless steel flange or SS flange is made of stainless steel. Common Grades and material standards are ASTM A182 Grade F316/L and F304/L, with pressure ratings from Class 600, 300, 150, etc.

It is more useful in industries than carbon steel as stainless steel possesses better resistant performances in a corrosion environment.

Stainless Steel Flange

5 Tips to Choose the Best Stainless Steel Flanges

A stainless-steel flange is an instrument through which you form a piping system by connecting valves, pipes, and other hardware. It is easy to modify or reach the purposes.

Usually, the flanges are screwed or soldered to the whole piping system. The flange joints are created by fastening two flanges simultaneously with a gasket to give it a proper seal.

Here will discuss the type of flanges used in the pipe size.

Threaded Flanges

Threaded flanges come with other names but are also commonly known as screwed flanges. They are threaded from inside on the flange bore that corresponds well to the thread on the pipe.

The flanges are threaded inside the flange bore, which corresponds to the thread on the pipe. It helps to make sure that both fit properly. The attachment method is simple and quick but, unfortunately, not ideal for pressure and temperature applications. One can find the screwed flanges used primarily in the installations like water and air services.

Slip-on flanges

The slip-on flanges come with an external hole from which you can fit a pipe and match it with the diameter. The flange is mounted on the pipe and soldered thoroughly, giving the tube a firm seal. For low-pressure and temperature conditions, the slip-on flange is highly suitable

. The flanges come in various sizes and can be used in large dimensions. You can attach large-scale pipeline systems to the storage tank nozzles. These flanges are made from a metal sheet and do not often come with a base.

Lap-joint flanges

The lap flange has two essential components: a loose flange and a rod end in the back. The end of the stub is joined by butting and welding it to the shaft, and the flange part can move more freely all around the pipe. You can construct the rear flange from a range of materials other than the stub material.

The most common material is carbon steel, and you can minimize the production cost. However, when repeated replacement and removal are involved and have limited space, the lap flange becomes quite useful.

Socket-weld flange

The flange type has a female connector in the socket where you can mount the tube. From outside the pipe, filet soldering can be performed to give it a strong seal.

You can commonly use small pipeline systems, which can only be useful in low temperatures and pressure.

Weld neck flanges

The most commonly used flange type in the piping system is weld neck flanges. This is because the effect of the butt-soldered tube is that it delivers the best quality of joint integrity.

‘Therefore, weld neck flanges are highly preferred when applying high temperatures and pressure. However, Weld neck flanges, in respect of other flanges, are expensive and bulky. Thus, they are only useful in heavy-duty piping systems.


Stainless steel flanges connect with the fittings and pipes that form a piping system. It delivers oil, natural gas, water, air, and steam in plumbing applications, dairy, and food processing. In addition, the flange provides easy access to modify, inspect, and clean.

Flange type includes threaded, sock weld, slip-on, and lap-joint and are available in various shapes and sizes. Stainless steel resists corrosion from caustic chemicals and is durable.

You can contact Texas Flange if you have any questions or want to know more about the stainless steel flanges.





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