... -Q235, H08, S08, 08AL, M6, SPHC, 65Mn, T8-T10A, 20MnSi hot dipped galvanized coilSGCC SPCD SPGC SPCE STMA653 ASTM A792 Q195 ... of high-frequency square tube, with a combination of rolling, setting, cold rolling and welding. Good quality strip steel and advanced equipment ... Steel Pipe, seamless pipe, welded pipes, cold rolled steel coil, hot rolled steel coil, and round steel, etc. We mainly depend ...