... : 1*2,1*3,1*7 3.construction 4.competitive price 5.international standard PC steel strand:Low relaxation prestressed concrete steel strandStructure: 1*2,1 ... *3, 1*7,(1*7)CDiameters: 5.2mm-17.8mmStandards: ASTMA416, BS5896: 1980 or according to customers' requirementsPacking: Export anti-rust packing with vapors ...