I-API 5l Galvanized Pipe iyipayipi elinongqimba lwe-zinc phezu kwepayipi lensimbi. Ukuba khona kwe-zinc under kunikeza ukumelana kahle nokugqwayiza okuhle. Izakhiwo zamakhemikhali ze-zinc zisebenza kakhulu kunensimbi. Endaweni ewonakalisayo, i-zinc izokwenza u-ontizeze ngaphambi kwensimbi, ngaleyo ndlela evikele i-matrix yensimbi esuka ekugcekeni.