This may compromise the energy and integrity of your joint. To prevent porosity, get rid of the zinc coating while in the weld space. Strength and longevity: Galvanized pipe fittings are comprised of solid metal, able to withstanding superior pressures and mechanical stresses. Galvanized pipes are metal pipes dipped in https://www.malleableiron-pipefitting.com/industry-knowledge/how-to-connect-non-threaded-galvanized-pipes.html