galvanized steel strand steel grade:SWRH.72B,SWRH.82B wire diameter:12.5mm,12.9mm,15.2mm,15.7mm application: reinforcing, etc galvanized steel strandsteel grade:SWRH.72B,SWRH.82Bwire diameter:12.5mm,12.9mm,15.2mm,15.7mmapplication: reinforcing, etcnorminal diameter/mmdiameter tolerance/mmnorminal area/mm2actual weight per 1000m/kg diameter of center wire can be increased by(%)≥12.5+O.30-O. ...