Cut copper

Copper is used in many ways, which is why it is available in different forms. The cutting of copper can therefore be carried out with different tools. Below is an overview of how to optimally cut the respective copper.

Copper in different forms

Copper is an important metal and is used in many ways. Accordingly, the shape of the copper workpieces is also varied:

  • Copper in sheet form
  • Copper as plates
  • as ingots or cylinders (massive workpieces)
  • as a wire
  • in different profile shapes (right-angled, U-shaped, etc.)
  • as pipes

Tools for cutting and sawing copper

Depending on the form in which you now have the copper, you have a large selection of tools to cut or saw the copper:

  • conventional household scissors
  • shears
  • nibbler
  • jigsaw
  • hacksaw
  • jigsaw
  • circular saw

Cut copper with scissors

You can easily cut copper sheets with a sheet thickness of 3 mm with a pair of household scissors. In some cases sheets up to 5 mm can also be cut. Of course, it depends on the quality of the scissors and the softness of the copper.

Sheet metal shears for copper sheets and plates

With the tin snips you can cut most sheets of copper up to a maximum thickness of 12 mm. Here, too, the quality and dimensioning of the metal shears and the hardness of the copper are decisive. However, it is certain that with increasing strength, the copper tends to deform at the ends of the sheet in the cutting direction.

The nibbler for stronger copper sheets

Therefore, especially craft shops, which deal a lot with copper sheets, use electrical devices such as the nibbler. So that would be primarily roofers and plumbers. This also copper plates can be well cut. Ultimately, however, the maximum material thickness also depends on the performance of the existing nibbler.

Saws for cutting copper

Copper is a soft metal. Therefore, you must use a fine-toothed saw. This applies to the saw blades of all saws used. In the case of sheet metal you can cut well with the fretsaw also the most different forms from the copper. However, the ordinary fine serrated iron saw is better for straight cuts, such as on pipes, profiles, etc.

The jigsaw

In order to be able to cut out even more different shapes from stronger copper plates, the jigsaw is recommended. The pendulum stroke must be switched off and a fine-toothed iron blade is required. Also speed and feed are to be adapted to the soft copper.

Saw circular saw and copper

Similar to the milling of copper, the softness must also be taken into special consideration when using a circular saw. When milling, much is lubricated with coolant at high speeds. Accordingly, with a circular saw with increasing speeds, you quickly reach the limits of the possible. Here you must pay particular attention to overheating and smearing of copper while working.

Cut copper pipes

For copper pipes, cutting involves adding pressed or soldered parts. When soldering copper pipes, the capillary effect is considered. The molten solder is drawn circumferentially into the gap between 0.1 and 0.2 mm. If the copper tube is now deformed, the gap can become too large. Then the capillary effect no longer applies, the connection is not tight.

Deformations of copper pipes during cutting

Even with pressed copper pipes, deformation can lead to leaks. Therefore, special pipe cutters are used for cutting or cutting copper pipes. Only copper tubes smaller than 10 mm in diameter also use iron saws. In any case, the subsequent calibration of the copper tubes remains important.

Tips & Tricks

When cutting copper pipes, pay particular attention to other effects such as a burr. If you do not deburr a copper pipe indoors, it can cause turbulence in various media and thus lead to corrosion in the copper pipe.

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