When a steel part is specified to be bent to a short radius, it is important to know how to mandrel bend pipe and other sections. A short radius is usually somewhere below 6-7 x the diameter or depth of the steel member being curved.
The image below shows 6in outside diameter, Schedule 40 pipe with two . . . → Read More: How to Mandrel Bend Pipe and Other Sections
When we bend tubing for customers, we want to make sure we send them the right number of pieces they ordered—not more and not less. Recently we curved 70mm OD pipe for John Deere equipment. The pipe was stacked like a pyramid with 14 units at the bottom and one at the top.
Rather than . . . → Read More: When We Bend Tubing, How Should We Count the Parts?
Gulf Quest, The National Maritime Museum of the Gulf of Mexico required steel plate rolling of spherical parts. The Museum which is set to open in late 2012 will use 192 plates to simulate the curved shapes of ships in its displays. Each plate is ¼ inch thick and 44 inches square. It is formed spherically . . . → Read More: Steel Plate Rolling of Spherical Parts
Increasingly, the shapes and sizes of structural steel sections are now dual certified to have a minimum 50ksi yield, i.e. the steel has a yield stress of 50,000 pounds per square inch in both compression and tension.
Grades with a minimum 50ksi include ASTM A572 Gr. 50, A992 Gr. 50, A500 Grades B and C, A529 Gr. . . . → Read More: Bending 50ksi Steel Sections
Bending of beams is often done to create curved steel monorails for material transport in factories and warehouses. Most commonly, the beams are curved the “easy way,” i.e. against the weak or y-y axis. Typically a trolley with a hoist hangs below the beam. Such transit systems are installed in new and existing plants. The person . . . → Read More: Bending of Beams for Steel Monorails
Steel plate rolling is often done to create full cylinders or cylinder segments. These parts often have bevels to facilitate the welding of the curved steel sections. The bevels can be required on either the longitudinal seam of a cylinder or on the circumferential seam between two cylinders or end plates. Cylinder segments can . . . → Read More: Steel Plate Rolling: Types of Bevels
A common question regarding steel plate rolling is whether the raw material, the steel blank, should be cut to length or provided with extra material to be trimmed during and/or after the rolling process.
Another question related to the blank size is whether plate to be rolled can be provided cut to length with the ends beveled.
The . . . → Read More: Steel Plate Rolling: Pre-Bending of Heavy Plate with a Three-Roll, Plate Rolling Machine
In many cases, steel bending can minimize welding and reduce material waste on a component part for an OEM (original equipment manufacturer).
For example, an OEM was designing a gear cover for pumps. The component part was a 1 x 1 ½ flat bar curved the easy way (against the weak or y-y axis) to form what . . . → Read More: Using Steel Bending to Minimize Welding and Reduce Material Waste.
What do OEMs (original equipment manufacturers) want from suppliers that provide steel bending? Well, all customers most often want quality, service, speed, and value. OEMs want those too, but we can be more specific about their needs and, in particular, their needs for the curving of steel sections.
OEMs require that a supplier prove that it can . . . → Read More: What OEMs Want From Suppliers That Provide Steel Bending