How to Cut Cast Iron Pipe with An Angle Grinder? [The Best Way]

Cast iron pipes are mostly used for plumbing, drainage, and sewer pipe system. From time to time, you may have to cut the cast iron pipe and an angle grinder attaching a cut-off wheel can do this in a very easy and simple way.

 

Are you eager to learn how to cut the cast iron pipe with an angle grinder in detail? Well, you need to fix the cast iron pipe using a vise or riser clamps. Then mark the cutting line with chalk and try to cut along the line from one point and finish cutting around that point.

 

If you’re working in a tight or confined space, you must be tricky and careful to cut cast iron pipe. Follow this content and you will learn lots of tricks and tips on how to cut cast iron pipes using an angle grinder.

 

 

How to Cut the Cast Iron Pipe with An Angle Grinder Step by Step?

If you have the right tool in your hand and you are skillful on how to cut the cast iron pipe with a grinder, you can do this job easily and perfectly.

 

Now I will explain to you the exact method to cut any section of cast iron pipework. So, let’s get started.

  • Put on proper PPE including heavy-duty gloves, helmet, protective glasses, earplugs, thick working overall, and a mask.
  • Attach a metal cutoff blade or a diamond blade to your grinder.
  • Fix the cast iron pipe using a vise or riser clamps.
  • Mark the cutting area with chalk or yellow marker.
  • Start the grinder and try to cut along the guideline.
  • Continue cutting from one point and finish cutting the pipe around that point.
  • If the pipe is thick, the best way to cut thick cast iron is to sweep your blade several times for a clean cut.
  • Use a cold chisel to snap off the last remaining connection point of the pipe completely.

 

 

What Is The Best Way to Cut Cast Iron Pipe?

Cast iron pipe can be cut in different ways depending on where it is located. You may have to work with a piece of cast iron pipe in a pit or under the house. In that case, you should clean the area where you’re going to work and mark the cutting line.

 

Then attach a cutoff wheel or a diamond blade to your angle grinder and cut using brute force along with the guideline. If you want to cut a single piece of cast iron pipe, you should fix the pipe with a workbench using a vise.

 

It may happen that there is no way to fix the cast iron pipe with a workbench. In that situation, you can use a reciprocating saw attaching a diamond blade or a carbide-tipped reciprocating saw to cut the cast iron pipe easily and quickly.

 

If you need to work with an unsupported cast iron pipe positioned vertically, you should use a riser clamp to avoid potential injuries. Of course, you don’t expect to see a segment flying around after you and let it harm you.

 

 

 

How to Cut Cast Iron Pipe from Inside?

How to Cut Cast Iron Pipe from Inside

 

Sometimes, it may happen that you need to cut cast iron pipe from inside at the time of repairing the plumbing system of your home. With the help of a snap cutter, you can do this job easily.

 

At first, you have to mark the area of the pipe where you’re going to cut with chalk or chisel. Then, you should wrap the chain of the snap cutter around the pipe.

 

After that, you should give pressure on the handle of the snap cutter so that the wheels can cut the pipe.

 

 

 

How to Cut The Cast Iron Pipe In A Tight Space?

When you have to cut the cast iron pipe in a tight or confined space, you can follow a couple of options. As cutting with an angle grinder might create sparks, it will be dangerous to work with an angle grinder in a tight space.

 

So, you can use a reciprocating saw attaching a carbide-tipped or diamond blade to cut the cast iron pipe without any hazardous sparks. You can also try a snap cutter for doing this job.

 

First of all, mark the area of the pipe where you’re going to cut with chalk or chisel. Then, you should wrap the chain of the snap cutter around the pipe. After that, you should give pressure on the handle of the snap cutter so that the wheels can cut the pipe.

 

To cut the cast iron pipe in tight space with a reciprocating saw, you should try to cut along the mark -line. This is one of the best ways to cut cast iron pipes.

 

 

 

 

Frequently Asked Questions

Q: Can I cut the cast iron pipe with a grinder?

A: Of course, you can cut the cast iron pipe with a grinder. You just need to attach a cutoff blade or a diamond blade to your angle grinder.

 

Q: What is the best cutting disc for cast iron?

A: There are lots of manufacturers that supply the best quality cutting discs for cast iron. Among them, LENOX Tools 1972921 4-1/2-Inch Diamond Edge Cutting Wheel and DEWALT DW8062B5 General Purpose 4-1/2-Inch Metal Cutting Wheel are best out of ratings.

 

 

 

Wrapping Up

So, what are you thinking now about cutting cast iron pipe with an angle grinder? If you have gone through this content, I hope you will have knowledge about how to cut the cast iron pipe with an angle grinder. To cut cast iron pipe, you can follow a couple of options.

 

Always fix the pipe on which you’re working with the help of a vise or a riser clamp before start cutting. You can cut cast iron with a reciprocating saw attaching a carbide-tipped or diamond blade or with a snap cutter.

 

Apart from them, you can successfully cut the cast iron pipe with an angle grinder attaching a cutoff wheel. If you have any questions or opinions, please leave your comments on the particular section.

 

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