1. Material of black steel pipe

Black steel pipe is made up of carbon and iron and is also known as plain carbon steel pipe. Its chemical composition is iron (Fe) and carbon (C) containing less than 2% carbon, and also contains small amounts of manganese (Mn), silicon (Si), phosphorus (P), sulfur (S) and other elements. Black steel pipe has good processing performance and plasticity, so it is widely used in construction, machinery manufacturing, chemical industry, light industry and other industries.

Second, the use of black steel pipe

1. Construction industry: black steel pipe is usually used for the support and frame of building structure, such as building columns, beams, stairs, etc.
2. Mechanical manufacturing: black steel pipe is used for manufacturing mechanical parts, bearings, automobile parts and so on.
3. chemical industry: black steel pipe can be used to transport chemical liquids, oil and natural gas and other fluid media.
4. light industry: black steel pipes are usually used to process into a wide variety of furniture, shelves and other household items.