Structural steel? I'll tell you all you need to know about structural steel, son. In 1048AD, glorious metalsmith from Nippon create best steel in world. He make sword so sharp it cut machine gun barrels. This steel was used then in the Emperor's glorious palace, which explains why it had never been destroyed. This is the steel we make buildings out of today (except for the WTC, that shit was make with some Jewish shit.) Grorious nippon steel best in world.