In this task, you are given a sentence in the English language. Your job is to translate the English sentence into the Spanish language.

What is the process called by which a steel pipe connected to a copper pipe in a domestic hot water heater corrodes in the vicinity of the union ?
¿Cómo se denomina el proceso por el cual un tubo de acero conectado a un tubo de cobre en un calentador de agua doméstico se corroe en la proximidad de la unión?