... , SGS,BV, etc Surface:Hot galvanized, Cold galvanized Key word: G.I. Pipe Specification TypeG.I. Pipe Pipe Size1/2"—48 ... : 5-12mStandardASME B36. 10M-1996,API 5LJIS G3461, JIS G3456, J IS G3452,JIS G3454,JIS G3455,JIS G3457,DIN 2448 ... .Competitive price and attentive services3.Reliable partnerProductionTestingManufacturing equipmentsPacking&Transportation Company G.I. Pipe