... coated iron wire 2.tensile strength: 30-50kgs./sq.,, Hot Dipped Galvanized Barbed Wire Barbed wire, also known as barb wire , is ... or points arranged at intervals along the strand(s). Materials: Galvanized steel wire, PVC coated iron wire in blue, green, ... discomfort and possibly injury. Barbed wire fencing requires only fence post, wire, and fixing devices such as staples. Characteristics:Gauge ...