steel round, forged round bars, dia. 80-1200mm. EAF+LF+VD+UT+Heat Treatment steel round. We,Qilu Special Steel, ... diameter 80mm-1200mm.Standard : ASTM, DIN, JIS, BSFabrication Process: EAF+LF+VD+U.T. ( necessary) Peeling +Rough Turning + Heat Treatment (optional ...