Prestress Concrete Strand 1.Size: 9.53, 11.11, 12.7, 15.24mm 2.Standard: ASTM A416, BS, ... GB, etc... 3. T/S: 1860Mpa Prestress Concrete Strand ... Name Dia. Tensile Strength Standard steel strands 9.53mm-15.24mm1770Mpa-1860MpaGB5224, , ... mainly used as auxiliary reinforcing strand for concrete structure, e.g. long spanned bridge's ...