low relaxation 1*7 pc strand 1. Diameter:9.35mm-15.24 mm. 2. ... Grade: Grade 250 and Grade 270. low relaxation 1*7 pc strand1, standard: ASTM A, BS, AS, GB, EN 101382, ... size: 1*7 9.5MM -15.7MM3, name: pc indented strand, unbounden pc strand, pc wire1,standard: ASTM A416, BS5896,EN 10138, GB ... : ISO 9001; 5, the pc steel products we can provide: pc steel strand,, pc steel wire, pc wire and so on,7,if ...