Pipe and fittings 1.Steel,ISO9001 2.Hot-Dipped Galvanization,Black Enamel 3.20mm,25mm,32mm 4.BS4568 and BN50086 Standards Item:Pipe and fittingsMaterial ... EnamelSize:20mm/25mm/32mmSteel conduit tubes,to BS4568 and EN50086 standards.Best quality and reasonable price.We can produce the steel conduit ... to your own brands.Our factory makes all the conduits fittings and pipe accessories.