Galvanized Steel Wire 1)Material: 45#, 55#,60#, 70#, 75#,SWRH72A, 72B, 82B, 65Mn 2) Diameter range: 0.3-5.0mm Galvanized steel wire rope ... ,Ungalv steel wire rope,Stainless wire rope.Standard: GB/T8918-1996 ... of vertical well drilling, port load and unload derrick ,and tower crane. 18×7+FC,18×7+IWS, 18×19+FC ...