... convey gas,water,and oil. IC Brand Galvanized Malleable Iron Pipe Fitting for plumbing materials:1.standard: BS2.banded , beaded ... etc.Size18"-6"Thread StandardBS ANSI & DINFinishBlack, Eclectic Galvanized, Hot Dipped Galvanized, all be antirust treatmentPackingCartons, woven bags, wooden boxesQuality ... lines of team, gas, oil, air IC Brand Galvanized Malleable Iron Pipe Fitting for plumbing materials