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Steel Bending

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Bending Steel Tubes, Pipes, Beams and More

I want to bring together here the best resources on bending steel. It's a big industry and there is a lot of information avialable. We'll pay a little special attention to roll forming steel and other steel bending processes and machinery.

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This lens has been created to help spread the word about Paramount Roll & Forming, a steel bending company in southern California.

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Bending steel using the press method

The Press method feeds a steel tube, pipe, channel, bar or beam through a press and applies pressure at intervals, such as every few inches, until the steel form is curved to the desired arc.

Press is generally used to bend larger, solid forms (at least 24 to 36 inches) that do not require a tight radius. The mandrel method would be used for a tighter radius.

Press is often use for structural steel purposes, since it cn curve thick steel forms, such as curved beamms that might support a roof or overhang in a conference center, auditorium or on bridges.

Madrel for Steel Bending

Bending steel using a metal "mandrel" shaft

Mandrel steel bending uses a metal shaft, called a mandrel. The motion of the mandrel inside a steel tube or pipe bends the steel around a die to form the radius.

The mandrel process limits the rippling in the steel, so it is ideal for thick-walled tubes or pipes...or where the radius need to be very tight.

While a mandrel can bend steel tubes and pipes only up to 180 degrees (no coils or spirals), the curve it creates in the steel is uniform all the way along the pipe or tube.

Table Forming Steel

Bending steel around a die on a table

The table forming method involves a die of the desired curvature, placed next the straight steel tube, pipe, channel, bar or beam. The ends of the steel form are then pulled around the die to form the radius.

Smaller, heavier steel forms are usually bent around a table forming die, especially when they require a tight radius that the press method cannot provide.

Roll Forming Steel

How roll forming can be used to bend steel

According to Paramount Roll & Forming, "rolling uses an appropriate size die that adjusts to the steel tube, angle, pipe, channel, bar or steel beam. Pressure is applied as the material passes through the machine to bend the tubing or the beam to the desired radius."

Roll forming uses standard dies and requires less work to set up, so it is one of the most cost-effective ways to bend steel. It is an effective way to make tight bends, such as for coils or tubing. A spiral staircase would be a good candidate for roll forming steel.

Steel Bending Websites

Websites with further information about steel bending

If you know of any good steel-bending resources, please let me know.

Steel Bending

Bending Steel Tubes, Pipes, Beams and More

Contents at a Glance

Contents at a Glance

Pressing Steel

Bending steel using the press method

Madrel for Steel Bending

Bending steel using a metal "mandrel" shaft

Table Forming Steel

Bending steel around a die on a table

Roll Forming Steel

How roll forming can be used to bend steel

More Reading on Steel Bending

Books that Amazon Recommends on Steel-bending

Steel Bending Websites

Websites with further information about steel bending

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