low relaxation pc strand 1.Size: 9.53, 11.11, 12.7, 15 ... etc... 3.T/S:1860Mpa Name Dia. Tensile Strength Standard low relaxation pc strand 9.53mm-15.24mm1770Mpa-1860MpaGB5224, , ASTM A 416, BS ... . Usage: The product is mainly used as auxiliary reinforcing strand for concrete structure, e.g. long spanned bridge's ... know the standard, quantity, packing and coil weight requirement. low relaxation pc strand