Methods to curve pipe include rotary draw bending with a mandrel on a pipe bender and rolling pipe on a three-roll bender (also called an angle roll, a pyramid roll, or a section bender). For simplicity, let’s call the first Read more…
Category: Pipe Bending
George
Bending, Pipe Bending, Special Bending
March 1, 2017
Bending pipe to a tight radius often requires the use of an internal mandrel to keep the round pipe from becoming oval, wrinkling or cracking during the bending process. Original equipment manufacturers (OEMs) usually do not have the expertise to Read more…
Dan
Bending, Pipe Bending
May 22, 2016
Specifying Bend Angle in Round Pipes A maintenance guy needs to replace a curved pipe elbow in his factory. He calls up and says “I need a round pipe with a 120 degree bend”. Sounds OK, except he is looking Read more…
Andy
Bending, Pipe Bending
May 22, 2016
A miscellaneous and ornamental iron shop needed 160 pieces of pipe to be bent for the top and bottom transitions of a staircase. Bending this pipe eliminated 160 welds. And each weld would have required miter cuts, grinding, and attention Read more…
Kevin
Bending, Pipe Bending
May 22, 2016
Tank manufacturers at times require that stainless steel half pipe be welded to the outside of their tanks, usually for thermal transfer. For example, recently we had 304 stainless steel, 3” schedule 40 (3.50 OD x 0.216 wall) pipe cut Read more…
Joe
Pipe Bending
May 22, 2016
Pipe and round tubing can be saw-cut or torch-cut in half longitudinally to create half pipe which can be subsequently straightened or curved. The curved half pipe is sometimes welded to the outside or inside of tanks to be used Read more…
Dan
Bending, Pipe Bending
May 22, 2016
The request was for 15ea. 8in outside diameter aluminum pipe rolled to an 83ft 7in center-line radius 15ft long and for 9 more rolled aluminum pipes to a 47ft 11in centerline radius 15 ft. long. And the customer wanted the aluminum Read more…
Ken
Bending, Pipe Bending
May 22, 2016
It is not hard to over-engineer steel section bending, but when the costs exceed the benefits, it’s time to go back to the drawing board. For example, when designing a simple, industrial push cart, a customer requested 2in schedule 40 Read more…
Dan
Bending, Pipe Bending, Tube Bending
March 2, 2020
When they specify the grade of pipe to bend tubing, most buyers don’t even ask the question: they assume that the company they are buying from is the expert and would know which is best. The end use is important. Read more…
George
Bending, Pipe Bending, Tube Bending
May 22, 2016
Steel sections are curved in various ways. 1. Rotary-draw and compression bending create a curve by wrapping the steel section around a form to achieve the desired radius. This method is most often used for round tube bending, square tube bending Read more…
