Cast iron pipes are the best material to make any construction or support grid. But many times you may need to cut it down for different purposes. But there are many questions related to it. So here are some best ways to cut the cast iron pipes.

How to Cut Cast Iron Pipe from Inside?

  • Use chalk to mark the portion to cut. Wrap the chain on the pipe of the snap cutter.
  • Now put your effort on the handles of the cutter so that the wheels can cut the pipe.

Cut Cast Iron Pipe with a Hacksaw?

Hacksaw is a hand instrument and you have to put your physical energy to cut a cast iron pipe. Cutting with a hacksaw is the best possible way to cut a cast iron pipe. You need to swing the hacksaw forth and back to cut the pipe in a smooth manner. You may need multiple blades as per the thickness of the pipe.

Cutting Cast Iron Pipes with Dremel

A dremel is a kind of oscillating tool that contains a round shaped blade. It swings very fast and cuts the cast iron pipe. Now to cut a cast iron pipe you need a 9901 tungsten carbide carving bit. A 1/8 inch tungsten carbide carving bit is the best weapon for cutting, smoothing, and shaping such materials.

Cutting Cast Iron Pipes with Oscillating Tool

An oscillating tool is specially made to cut pipes, metals, tiles, etc. the most important feature to cut different materials is to consider the blades. You can have several blade options to use while cutting different materials. Tools that have a greater angle have more speed to cut. But the blades with shorter strokes are easy to handle. The oscillating tools move side to side and the oscillation is more or less 3 degrees. It gives 20,000 strokes per minute and it creates a vibration in a thin arc that prevents creating dust.

How to Cut Cast Iron with Torch?

An oxy-acetylene torch can cut a cast iron pipe through its heat. The gas generates immense heat while comes in connection with oxygen and melts over the metal to cut the object down.

What is the Best Way to Cut a Cast Iron Pipe?

The best way to cut a cast iron pipe is to use a cutting wheel. A diamond blade is the best suitable blade for it. A single blade can cut multiple cast iron pipes which is more or less impossible for the standard metal cutting blades.

Can You Cut Cast Iron Pipe with a Grinder?

A very useful tool to cut the cast iron pipe is the angle grinder. This works very quickly and easily. Fit a blade with it to cut metal. The most preferable type of blade is a 4-inch diamond blade. Mark the area to cut with chalk and now put the angle grinder to cut the pipe. This is a powerful tool so you need to be very careful while using it. So wear proper safety equipment to stay safe from the sparks.


  • To cut a cast iron pipe, an oscillating tool is the best power tool to use.
  • A Hacksaw is the cheapest tool to cut a cast iron pipe.
  • Use a diamond blade for the best result.

Can you cut cast iron pipe with a Sawzall?

Can you cut cast iron pipe with a Sawzall? Yes. Cutting cast iron with a sawzall is an efficient way to cut cast iron.

Can you cut cast iron with a grinder?

The one tool you can use and likely have on-hand is an angle grinder. While you could use a reciprocating saw or even a hacksaw to vigorously slice your way through cast iron, utilizing an angle grinder to swiftly cut segments of cast iron pipe, is a viable option too.

How do you cut a cast iron pipe from the inside?

How do you cut a sewer pipe?

How to Cut a Clay Sewer Pipe
  1. Measure for your cut first. Mark your cut point with a felt tip marker, or wrap a newspaper around the pipe at the cut point or score the point with a chisel.
  2. Cut pipe with a power cut-off saw with a masonry blade; some use a diamond-tipped blade.
  3. Cut clay pipe with a chain tool.

How do you cut cast iron pipes with an angle grinder?

Make sure that your angle grinder is outfitted with a blade that’s designed to cut metal. A 4-inch diamond blade is probably your best chance. Create a chalk line on the cut mark. Then use the angle grinder to slowly cut through the pipe until it breaks into two.

What is the best way to cut clay sewer pipe?

Can you cut clay pipe with a Sawzall?

Reciprocating Saw

Mark the clay pipe in the place where it needs to be cut, using a black marker pen. Squeeze the saw’s tripper, and slowly push the blade down through the clay pipe to make a straight cut.

How do you attach a sewer pipe to Clay?

What is clay pipe used for?

It’s still routinely used in public sewer systems today. Modern installations include encasing the clay pipes in concrete to protect against root intrusion and damage from ground shifting. You might be surprised to learn that some still-functioning clay pipe systems in America were installed over 100 years ago.

Should I replace cast iron waste pipe?

Based on the fact that all cast iron sewer pipes will need to be replaced, we strongly recommend that cast iron pipe under a concrete slab be replaced and not repaired.

What type of pipe is used for sewer lines?

Sewer Line Made of Plastic PVC Pipe

Polyvinyl Chloride (PVC) pipes are the most common type of sewer line pipes today. Plastic pipework is lightweight, easy to use, and resilient. When installed properly, PVC pipe is long-lasting and impervious to root penetration.

Is VCP pipe still used?

Vitrified clay pipe (VCP) is a sturdy conduit widely used in gravity sanitary sewer collection mains and is the longest-lasting pipe material to date. It is manufactured using clay and shale as raw materials and largely remains unaffected by age and abrasive effluents.

How long does VCP pipe last?

This pipe, which lies buried under the soil of your yard, can last anywhere from 50-100 years or more, depending on the material from which the pipe is made and the conditions under which it is used.

How long do cast iron pipes last?

Cast Iron: Cast iron pipes last between 80-100 years, and are built to withstand a high amount of water pressure. However, like galvanized steel, cast iron piping has been found to be susceptible to rust over time.

When did they stop using clay for sewer pipes?

This piece of clay pipe was made sometime between 1800 and 1801 and was in continuous use at Mission San Luis Rey (located in modern-day Oceanside, California) until it was removed in the summer of 1957, which makes its active life approximately 157 years.

How often should sewer lines be replaced?

How long will a sewer line last? The life of your sewer line depends on your pipe’s material. Cast iron pipes last between 75–100 years, clay and cement pipes can last up to 100 years, orangeburg pipes last around 50 years, and PVC pipes can last over 100 years.

Why is cast iron plumbing bad?

Cast iron pipes, while durable, do fail over time. They can develop rust, which slows water drainage. Tree roots and cast iron do not make good partners. If you find galvanized or cast iron pipes in your home, don’t panic and don’t start tearing out the plumbing.

What year did they stop using cast iron pipes?

In 1980, cast iron pipes were no longer the pipe of choice. Builders and plumbers replaced cast iron with rigid PVC (Polyvinyl Chloride plastic), which is easier to make, can be made quickly, is harder than other options, and has greater tensile strength.