How important are GI pipes and what are the benefits? Pipes made of galvanised iron (widely popular as GI pipes) are noted for their corrosion and rust resistance. It is also anti-corrosion and rust-resistant due to galvanization. Its zinc coating works as a protective screen against harm. As a result, they are longlasting and suited for practically any application. It may be utilised in everyday homes as well as for more intricate and heavy applications.