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2. Rail profile - Wikipedia

   en.wikipedia.org/wiki/Rail_profile

   Early rails were made of wood, cast iron or wrought iron. All modern rails are hot rolled steel with a cross section approximate to an I-beam, but asymmetric about a horizontal axis (however see grooved rail below). The head is profiled to resist wear and to give a good ride, and the foot profiled to suit the fixing system.

3. I-beam - Wikipedia

   en.wikipedia.org/wiki/I-beam

   I-beams are still available in US sizes from many Canadian manufacturers. In Mexico, steel I-beams are called IR and commonly specified using the depth and weight of the beam in metric terms. For example, a "IR250x33" beam is approximately 250 mm (9.8 in) in depth (height of the I-beam from the outer face of one flange to the outer face of the ...

4. DIN 1025 - Wikipedia

   en.wikipedia.org/wiki/DIN_1025

   DIN 1025 is a DIN standard which defines the dimensions, masses and sectional properties of hot rolled I-beams.. The standard is divided in 5 parts: DIN 1025-1: Hot rolled I-sections - Part 1: Narrow flange I-sections, I-serie - Dimensions, masses, sectional properties

5. Structural steel - Wikipedia

   en.wikipedia.org/wiki/Structural_steel

   Many structural steel shapes take the form of an elongated beam having a profile of a specific cross section. Structural steel shapes, sizes, chemical composition, mechanical properties such as strengths, storage practices, etc., are regulated by standards in most industrialized countries.

6. Section beam - Wikipedia

   en.wikipedia.org/wiki/Section_beam

   Section Beams are made of steel and they have a specific lengths and shapes like Ɪ-beam, 'L', C-channel and I flanged beam. These types of section are usually ...

7. Beam (structure) - Wikipedia

   en.wikipedia.org/wiki/Beam_(structure)

   A thin walled beam is a very useful type of beam (structure). The cross section of thin walled beams is made up from thin panels connected among themselves to create closed or open cross sections of a beam (structure). Typical closed sections include round, square, and rectangular tubes. Open sections include I-beams, T-beams, L-beams, and so on.

8. Steel frame - Wikipedia

   en.wikipedia.org/wiki/Steel_frame

   The rolled steel "profile" or cross section of steel columns takes the shape of the letter "Ɪ". The two wide flanges of a column are thicker and wider than the flanges on a beam, to better withstand compressive stress in the structure. Square and round tubular sections of steel can also be used, often filled with concrete.

9. Cellular beam - Wikipedia

   en.wikipedia.org/wiki/Cellular_beam

   Cellular beam is a further development of the traditional castellated beam. [1] The advantage of the steel beam castellation process is that it increases strength without adding weight, making both versions an inexpensive solution to achieve maximum structural load capacity in building construction. [2] The difference between cellular beam and ...