Galvanized Rectangular Tube
1) Product range: Round Square Rectangular oval 2) OD:20-219mm ; WT:0 8-12mm 3) Side:10*10-400*400mm ; WT:0 8-12mm 4) Zinc coating:Pre-Gal for 50-150GSM ; Hot dipped Gal 200-600GSM 5) Standard:ASTMA53 BS1387-1985 ASTMA500 GBT3091-2001