... ://www.topsino-steelpipe.com, also known as H-beam, W-beam (for "wide flange"), Universal Beam (UB), Rolled Steel Joist (RSJ), or double ... flanges resist most of the bending moment experienced by the beam. Beam theory shows that the I-shaped section is a very ... Ships, machinery manufacturing frame structure 6.The train, automobile, tractor beam bracket 7.Port of conveyor belt, high speed damper bracket ...