Tianjin Lefin Industrial Co., Ltd is one of the most experienced manufacturers and suppliers of rectangular square tube in China. Please feel free to buy high quality rectangular square tube from our factory. Good service and reasonable price are available.
Square tube bending
Rectangular tube bending
Hollow section bending
HSS bending
Bending tube
Rectangular Tube and Square Tube, sometimes referred to as HSS is a specialty at LEFIN STEEL. Rectangular Tubing can be rolled either the Hard Way (X-X axis) or the Easy Way (Y-Y axis).
In general, the thicker the wall, the less distortion achieved by the rolling process. Radius also plays a crucial role with regard to distortion.
The tighter the radius, the more distortion is to be expected. Regarding the direction of the bend, although more pressure is required to bend a tube the hard way, the curved member is less likely to distort because it is more rigid than a section curved the easy way.
Easy way bending often results in the inside diameter becoming somewhat concave. Several methods exist to support the inside of the tube to achieve tighter radii. Acceptable distortion limits should also be determined and agreed upon prior to commencement of any project.
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