H-Beam/l-Beam

I-beam, named because the cross-section is shaped like the English letter I, and like the Chinese character I, so it is also known as I-beam steel, I-beam iron. I-beams differ from H-beams in whether or not the inner edges of the wing

H-beam is a kind of high efficient profile with economic cross-section which is more optimized in cross-section area distribution and more reasonable in strength-to-weight ratio, and is named because its cross-section is the same as the letter “H” in English. Since all