This may compromise the toughness and integrity with the joint. To prevent porosity, take away the zinc coating in the weld location. Double-Examine: Go more than the entire duration with the connected pipes to make certain every little thing is secure and there isn't any indications of leakage. It is https://www.malleableiron-pipefitting.com/industry-knowledge/how-to-connect-non-threaded-galvanized-pipes.html