Carbon steel welded pipe 1.All steels have a large inventory. 2.Length:1-20m. 3.Thickness:0.4-30mm. ... For constructionMain market:USA,Middle east,North and South America, East and West Europe, South and southeast Asia,Australia,Africa,Place of ... technology available:oiled,painting,varnish cgalvanzied,bevelled,threading,with coupling and plastic caps protected,packing in plastic cloths,3PE,FBE, ...