China's most trusted manufacturers of Stainless Steel Pipes & Tubes.

Difference and application of hot-dip galvanized steel pipe and electro-galvanized steel pipe

As an important building material, galvanized steel pipe is widely used in building structures, municipal engineering, and machinery manufacturing. Among galvanized steel pipes, there are two common types: hot-dip galvanized steel pipe and electro-galvanized steel pipe.

Hot-dip galvanized steel pipe and electro-galvanized steel pipe are two common galvanized steel pipe products.
First, hot-dip galvanized steel pipe: The hot-dip galvanizing process is to immerse the steel in a heated galvanizing tank for galvanizing to form a zinc layer. The coating thickness of this process is relatively large, usually above 45μm, so the corrosion resistance of hot-dip galvanized steel pipe is very excellent. It is suitable for outdoor use, such as pipes, handrails, railings, etc. For occasions requiring high corrosion resistance, a hot-dip galvanized steel pipe is an ideal choice.

Second, electro-galvanized steel pipe: Unlike hot-dip galvanizing, electro-galvanizing is to plate a layer of zinc on the surface of the steel by electrochemical method, so its coating thickness is thinner, generally around 8μm. The electro-galvanized steel pipe has a smooth appearance and a smooth surface, which is suitable for some occasions with high requirements for appearance, such as furniture manufacturing, automotive parts, etc.

Through the above comparison, we can clearly understand the differences between hot-dip galvanized steel pipes and electro-galvanized steel pipes in the coating process, coating thickness, and applicable fields.

5050 galvanized steel pipe is a common hot-dip galvanized steel pipe product, which is widely used in building structures, pipeline engineering, and other fields. It has the characteristics of uniform coating and good corrosion resistance and plays an important role in both industrial and civil fields. Taking building structures as an example, 5050 galvanized steel pipes can be used for stair handrails, railings, building frames, and other parts. Its corrosion resistance can effectively extend the service life of buildings and improve the safety of buildings.

From an environmental protection perspective, the current society has higher and higher requirements for the environmental performance of materials. Green and environmentally friendly steel products are highly favored, and galvanized steel pipes can use environmentally friendly galvanizing processes to minimize the impact on the environment while ensuring functionality.

In addition, with the development of science and technology, hot-dip galvanizing and electro-galvanizing processes are also constantly innovating to produce more corrosion-resistant, wear-resistant, and high-temperature-resistant galvanized steel pipe products to meet the needs of various special fields. For example, in the field of chemical equipment manufacturing, the corrosion resistance of materials is extremely high, so relevant manufacturers are developing high-performance galvanized steel pipes to meet the material performance requirements of chemical equipment.

In general, 5050 galvanized steel pipes, as an important building material, have broad application prospects in different fields. Hot-dip galvanized steel pipes and electro-galvanized steel pipes have their characteristics and advantages. In practical applications, suitable products need to be selected according to specific needs. With the continuous advancement of technology, it is believed that the performance and quality of galvanized steel pipe products will be further improved, providing better material choices for all walks of life.


Post time: Nov-11-2024