Galvanized steel has been in use in the United States since 1870, and can be found in most houses that were constructed prior to the 1950s. Galvanized steel is still a popular option for roofing and siding on commercial and residential buildings. When cutting galvanized steel, it can be challenging to produce a smooth clean-cut edge. With the proper tools, you can cut both galvanized pipes and sheets with precision.

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Cutting galvanized metal requires special tools to ensure smooth and precise cuts.

Cutting Galvanized Pipe

Step 1

Secure the pipe in either a pipe vise or a solid bench vise.

Step 2

Place the rotary pipe cutter on the galvanized pipe, centering the line you need to cut with the blade of the cutter.

Step 3

Apply cutting oil and tighten the knurled handle of the pipe cutter until the blade touches the pipe.

Step 4

Turn the cutter in a circular motion, tightening the knurled handle with each revolution, until the pipe has been cut. Add oil as needed during the process.

Step 5

Smooth any rough edges with a steel reamer.

Cutting Galvanized Sheets

Step 1

Clamp the sheet of galvanized metal securely using a bench vice with your guide lines facing up.

Step 2

Use a circular saw fitted with a 7 1/4-inch fiber blade to cut the galvanized metal, following your guide lines.

Step 3

Smooth any rough edges with a steel reamer.