low relaxation 1*7 pc strand 1. Diameter:9.35mm-15.24 ... Strength 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 ... 1*3: 6.5MM; 8.6MM; 10.8MM 1*7: 7.9MM; 9.3MM; 9.53MM; 11.1MM; 12.5MM; ... ,, pc steel wire, pc wire and so on,7,if you want know more of us, pls email ...