ROLL STEEL 6 - 8 Round, smooth Manufactured according to domestic and international standards, some countries such as: USA (ASTM A615), Japan (JIS), Vietnam (TCVN 1651-2008)
Hot rolled, cold rolled, gi, ga, gl, eg.
Cold-rolled steel coil--CRC (spcc, 1b), hot-dipped galvanized steel coil -- HDG, pre-painted galvanized steel coil --PPGI, galvalume / alu-zinc steel coil--gal (sgcc-az, 55% al).
