Galvanized steel wire strand: Certificate: SGS Standard:ASTM A475,Q/320221PB02-94 Structure: 13, 17, 119 Surface:hot dip etc Galvanized steel wire strand:Certificate: SGSStandard:ASTM A475,Q/320221PB02-94Structure: 13, 17, 119Surface:hot dip, galvanizedStrength: five grade, including 1175,1270,1370,1470, 1570(N/mm2) galvanized steel wire strand