... square oval rectangular hollow section BS1387 high quality galvanized sino carbon steel pipe Commodity Galvanized Steel PipeODRound:19-600MMSquasre: ... , GB 3092YB 822, YB 238, YB 230BS1387UsageConstruction, Decoration, Water transportation,SEIP,Fluid Pipe,Gas Pipe, Oil Pipe, Scaffold pipe,Furniture ... Time7 Workdays15 WorkdaysA monthAs the quantity and requirements galvanized sino carbon steel pipe