I-beams, also known as steel beams, are long strips of steel with i-shaped sections.I steel ordinary I steel and light I steel.Is the section shape for the i-shaped section steel.There are many kinds of i-steel specifications, so how to express the i-steel specifications?Below small make up for you to introduce.
I-steel specifications are expressed in terms of height x leg thickness x waist thickness.For example, no. 18 i-steel, the height of 18 cm i-steel.For i-bars of the same height, corner codes a or b or c can be added after the number, such as 36a, 36b, 36c, etc.I steel is divided into ordinary I steel, light I steel and wide flange I steel.According to the ratio of flange to web height, it can be divided into wide width, medium width and narrow width i-steel.The first two i-steel specifications are 10 -- 60, that is, the corresponding height of 10 cm -- 60 cm.