... ,1860Mpa&2000Mpa min; ISO9001:2000 Certificate; 1*7 PC Steel Strand Usages: 1.galvanized steel wire is usually used for bearing ... .steel diameter and twist pitch is uniform,not loose after loose6. steel wire and strand (including the center wire ) is the same ... ,power stations,highways,high-rise building,ground anchorage,etc. 8.strand is of straight, soft, small residual stress and no s ...