Tianjin wei-jun metal products co., ltd Low relaxation prestressed concrete steel strand: Structure: 1*2, 1*3, 1*7, (1*7)c Diameters: 5.2mm-18.8mm Standards: astma416, bs5896: 1980 or according to customers' requirements Packing: export anti-rust packing with vapors corrosion inhibiting technology and 3 coatings. There are two wooden pallets on the bottom. Inquiry please provide: standard(year), diameter, mechanical property(especially tensile strength), coil weight, packing dimension and quantity.