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Specification for GI Wire

Specification for G.I. (Galvanized Iron) Wires
 
G.I.Wires should be annealed mild steel confirming to,
· IS: 280 - 1978,  Specification for Mild Steel Wire for General
· Size of Wires,
          8 SWG  =  3.90 mm
        10 SWG  =  3.25 mm
        12 SWG  =  2.64 mm
 
Galvanization of wires should confirm to
IS:4826 - 1979,  Specification for Hot-Dipped Galvanizing Coatings on Round Steel  Wires.
The galvanization should be of heavy coating with minimum zinc coat as bellow,
          8 SWG  =  280 g/m 2
        10 SWG  =  270 g/m 2
        12 SWG  =  260 g/m 2
 
The average strength of the G.I.Wire should be 380 - 500 N/mm 2