1. standard: JIS/GB/T11263-1998\2005 2. grade: Q235/SS400/S235JR 3. length: 6m-12m 4. packing:standard seaworthy packing SIZESMALL SIZE150X150,200X100,198X99 200X200,250X125,248X124 ,244X175,294X200,300X150,298X149,350X175 346X174, 298X201 194X150SIZE250X250,340X250,400X200,450X200446X199,500X200,600X200,300X300,350X350 ,390X300,500X300,600X300400X400,700X300, Perfect H-beam steel