What does "No. ten I-beam" mean? How is the number of I-beam divided?
No. ten I-beam refers to the cross section height of 100 mm. That is 10 centimeters.
I-beam is a kind of rolled steel, whose cross section is shaped10 I-beam, carbon containing about 0.1% of high-quality low carbon steel.Steel I-beam and general steel No. 20, No. 45 steel, refers to the carbon content.Such as 20A I-beam, carbon containing about 0.2% of high-quality (Advanced) low carbon structural steel.
In the national standard hot rolled steel I-beam series, the code number of I-beam is divided according to the section height. A numerical representation of a centimeter by the height of a cross. For example: No. fourteen I-beam refers to the height of I-beam is 140 mm, and so on.
