Is H steel welded or rolled? What's the difference between steel and I-beam?
It is made of rolling and requires special process. There are many passes in hot rolling.The width of the wing is different from that of i-beam.
The difference between H steel and I-beam is the wing width. I-beam is relatively narrow, a wide range of applications; H steel wings relatively wide, generally used for large structures.
Roll forming. But not once, but hot rolling dozens of times in order to finally reach the specified specifications.
