The difference between galvanized steel pipe and black steel pipe

Black steel pipe is uncoated steel, also known as black steel. The dark color comes from iron oxide that forms on its surface during the manufacturing process. When steel pipe is forged, a black scale is formed on its surface, giving it the smooth finish seen on this type of pipe.

Galvanized steel pipe is steel covered with a layer of zinc metal. During the galvanizing process, the steel is immersed in a bath of molten zinc, ensuring a strong, even barrier coating. Galvanized pipes are covered with zinc material, making the steel pipes more corrosion-resistant.

A brief explanation of the differences
· Both black and galvanized pipes are made of steel.
· While galvanized pipes have a zinc coating, black pipes do not
· Because it corrodes easily, black pipe is better suited for carrying gases. Galvanized pipes, on the other hand, are ideal for carrying water but are not suitable for carrying gases
· Galvanized pipes are more expensive due to galvanizing
· Galvanized pipes are more durable
different

The primary use of black steel pipe is to transport propane or natural gas to residential and commercial buildings. The pipes have no seams, making them better pipes for carrying gas. Black steel pipe is also used in fire sprinkler systems because it is more fire-resistant than galvanized pipe. The primary use of galvanized pipe is to carry water to homes and commercial buildings. Zinc also prevents the buildup of mineral deposits that can clog water pipes. Galvanized pipe is often used for scaffolding because of its corrosion resistance.

Differences in Problems
The zinc on galvanized pipes can flake off over time, clogging the pipes. Spalling can cause pipes to burst. Utilizing galvanized pipes to carry gases can be dangerous. On the other hand, black steel pipes corrode more easily than galvanized pipes and allow minerals in the water to accumulate in them.
cost difference
Galvanized wire pipe costs more than black steel pipe because of the zinc coating and manufacturing process involved in producing galvanized pipe. Galvanized fittings also cost more than black steel fittings. Galvanized steel pipe should never be joined to black steel pipe during the construction of a residential or commercial building.

How to differentiate between these two types of pipelines?
1. Check the color of the pipe. Black steel pipes are flat black and galvanized pipes are silver gray. Black steel pipe is darker than galvanized pipe.
2. Make the difference by the materials they carry. Galvanized pipes are usually used for water transportation, and black steel pipes are used for gas transportation.
3. Tell the pipeline used from one year onwards. If the pipe was installed after the 1950s, it is most likely black steel, as black steel pipe was used later than galvanized pipe