Steel structure part component details Section A-A width=30,height=50 ,Section A'-A' width =30,20 , height=21,50 , Section B same as SectionA. Section c-c inner plate component=16,height=40,Section E-E =double L joint ,Section F-F length =120, Section I-I length=130. height=40. steel structure part of component here used L section or T section.