Plastic pipe does not rust, brass does not rust, copper does not rust. Stainless steel does not rust, lead pipe does not rust.
Black pipe is used mainly for gas lines. Like it's name it is black in color and made from a heavy gauge steel. Galvanized pipe is pipe that has been coated with a material that reduces the effects of rust. It is silver in color.
It will rust fairly quickly causing brown water and over time will rust through and leak.
Hot water pipe rust first as compared to the cold water pipe for the same chemical composition of the water.
Rust is a chemical compound but can be associated also with other compounds.Lead (Pb) has no rust.
Yes, galvanized pipe can rust over time due to exposure to moisture and other environmental factors.
To remove rust from inside a drain pipe, you can use a commercial rust remover designed for plumbing applications. Make sure to follow the manufacturer's instructions carefully. Alternatively, a mixture of vinegar and baking soda can also help break down rust deposits in the drain pipe.
they rust
Physical
What kind of pipe? Is this area exposed to acid rain?
Black pipe is an amateur term for common steel or iron pipe.
Copper can rust