Introduction to galvanized steel pipe threaded on both ends

May 12, 2021

Galvanized Steel Pipe Threaded On Both Ends

Galvanized pipe or tubing is a type of steel pipe with zinc coating to retard steel corrosion. Engineers pick this steel pipe type for handrails, as conduit materials, and to replace old galvanized pipes. You can cut and thread a galvanized pipe to fix into a threaded pipe fitting. These fittings can be made from materials, like galvanized steel, plastic, or copper. Look around and you will easily find a galvanized steel pipe threaded on both ends, which is a perfect example of it. However, you must file burrs at the end using metal files after cutting the galvanized pipe just before pipe threading.

galvanized steel pipe threaded on both ends

The Process of Galvanized Steel Pipe Threaded On Both Ends

The process of galvanized steel pipe threaded on both ends involves different steps. Even the lightest mistake during the process can result in a complete failure. Therefore, it is necessary to perform all the below-mentioned steps carefully.

Step 1

In the first step, you need to determine the appropriate thread die size to use. You can do it by taking outside diameter measurements of your pipe along with how many threads you need per inch. During this step, you must make sure to identify the appropriate thread die needed for a perfectly tight seal.

Step 2

The next step in the making of a galvanized steel pipe threaded on both ends is to place your pipe on your workbench vice. Make sure that the workbench is adequately high from the ground so that it can accommodate the pipe threader’s handle.

Step 3

In the third step, you need to place the right size die into your pipe threader. Here, it is essential to make sure that you are using an appropriate size die. Otherwise, the whole process would go wrong.

Step 4

Now, position the threader on both ends of your galvanized pipe. After that, firmly move the threader handle down. When moving down the handle, make sure that it is straight for starting the thread.

Step 5

In this step, take the thread cutting oil and apply it in an adequate amount to both ends of the galvanized pipe.

Step 6

After that, position the threader handles just a little higher against the waist. Now, apply pressure downside on the handle’s ends. Ratchet the threader handle up again at its starting point and repeat. You need to continue threading your pipe until its end meets the die’s end.

Step 7

In this step, you need to separate galvanized pipe from the threader by reversing the ratchet mechanism. While reaching the pipe end, remove the threader prudently to make sure the galvanized steel pipe threaded on both ends should not get damaged.

Replacing a Threaded Pipe Section

Galvanized pipes are prone to leaks, corrosion, and rust. Therefore, you can expect such issues over time with your galvanized pipes. When you face such issues, the most viable solution is to cut the damaged part of the pipe and replace it. Therefore, you can use a new galvanized steel pipe threaded on both ends to repair your old damaged galvanized pipes.

Replacing a threaded pipe section or part is not very difficult as people might imagine. There is an array of threaded pipe sections available at local home improvement and hardware stores. You can buy these sections in several lengths and diameters. Several stores also offer customized cutting and threading of pipes. Therefore, you can easily replace the damaged or rusty parts without putting in a huge effort.

Before You Begin!

Before you start replacing a damaged threaded pipe section, you must shut down your main water supply valve. It is necessary to make sure that water doesn’t flow into the home during the process. After shutting down the main valve, empty the waterline by opening a tap that is lowest to the ground level. Once the water lines are empty, follow the below-mentioned steps to replace your damaged threaded pipe section.

Step 1

Use a reciprocating saw or hacksaw to cut down the damaged pipe section. This will help you unscrew the remaining two pieces from the fittings. You require two parts of a union and replacement pipe. Make sure that the length of two parts of the union and pipe equals the damaged pipe length when assembled fully.

To calculate the required material’s overall length, you should begin the measurement from one fitting’s face to the opposite fitting’s face and add one inch. It will account for ½” of galvanized steel pipe threaded on both ends, overlapping into the pipe fittings.

Step 2

Now, remove the old pipe with the help of a couple of pipe wrenches of medium size. Use one wrench to grip the fitting and one to grip the pipe. After that, pry in the opposed directions. You may find it a little tough to separate the fittings and old pipes.

However, you should pry the wrenches in the opposite direction for breaking the connection. If you are unable to break the connection, you can spray a lubricant or penetrating oil, like WD40 to remove any corrosion and dust that might be preventing the old pipe from moving.

Step 3

Now, use more penetrating oil to spray pipe threads inside the fittings. Let the oil sit down for around fifteen minutes before you continue. After that, look for any residue and remove it for preparing the place for a leak-free, new connection. You can use a small bottle wire brush for this job.

Step 4

In this step, you need to apply the compound to galvanized steel pipe threaded on both ends and also inside the fittings. Press the compound firmly into the pipe threads using your fingertip. Then, attach a ring nut to one pipe section.

Union fitting consists of multiple components; one ring nut and a couple of union nuts. Attach union nuts to the pipe’s replacement sections where they attach. The ring nut joins the separate pieces together.

galvanized steel pipe threaded on both ends

Step 5

Finally, screw both pipe sections into the respective fittings. You need to tighten the two pipe sections followed by tightening the ring nut. Use two wrenches again to make reassembling pipes safer and easier just like you did while separating the pieces in the initial step.

Once you have completed the pipe replacement job, turn on the water supply valve and check for any leaks. This is how you repair a broken or damaged part of a galvanized pipe without hiring a professional.

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