Cast Iron does not rust or corrode as steel can
If the pipe is No Hub cast Iron you can use a mission cap If the cast Iron is bell then you caulk in a cast iron plug If the cast iron is a spigot end you get a transition coupling either standard weight CI or extra heavy and then use a cast iron cap in the transition coupling
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Cast iron is, as the name implies, "iron" which has been "cast", or melted and poured into a mold. The material is usually not really pure iron but rather an alloy including carbon and (often) silicon.
A cast iron tub is about 325lbs. steel is about 75lbs. Tap on tub if it sounds solid it is cast iron.
Cast Iron does not rust or corrode as steel can
iron
Iron does not corrode as easily when coated with zinc by galvanizing.
Slowly, because the zinc galvanizing coating must corrode away almost completely before the iron can begin corroding.
Large amounts of oxygen, combined with dark magic, have been proven to make iron corrode quite quickly.
Steel will corrode as the iron in it is more reactive than copper.
7Up can corrode iron.
It is highly reflective and does not corrode.
Rust, which is ferric oxide.
Yes, it would corrode the iron.
Iron compounds do not rust. Iron and its alloys can rust. Although other metals can corrode it is usually only called rust when it is iron that is corroding.
Other metals can corrode, but the term rust is usually just refers to the product of corroding iron or iron alloys.