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Galvanized pipe, with its zinc coating and steel composition, has been a popular choice for plumbing and industrial applications for years. Its corrosion-resistant properties and durability have made it a reliable option for transporting water and other fluids. However, as with any material, it is important to understand the galvanization process, the composition of galvanized pipes, and factors that can affect their lifespan. In this blog, we will explore everything you need to know about galvanized pipes, including their types, durability, safety concerns, and how to identify and maintain them.
Galvanized pipes are steel pipes that have been coated with a layer of zinc, typically through a process called hot-dip galvanization. This coating of zinc provides an additional layer of protection against corrosion, extending the lifespan of the steel pipe. By understanding the galvanization process and the benefits of zinc coating, we can appreciate the qualities that make galvanized pipes a popular choice in various industries.
Variety classification | measure | Steel grade/brand | executive standard | application area | |
Outside-Diameter (mm) | Wall-Thickness (mm) | ||||
Structural pipe | 42~760 | 4~120 | 20#, 35#, 45#, Q345A/B/C/D, Q390, Q420, 25Mn, 27SiMn, etc. | GB/T 8162 | General structure with, Mechanical tube |
Vehicle tube | 45~245 | 4~35 | 20Mn2,SAE1527,MZ410R,MZ530R,30Mn2,40Cr,45Mn2,etc. | YB/T5035, technical protocol |
Tube for automobile axle and automobile axle sleeve |
Tube for die casting | DN200~DN1200 | 21CrMo10,21CrMo10-2,etc. | Q/OHAD030, technical protocol |
Centrifugal ductile iron pipe Tube die blank |
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Military pipe | 42~760 | 4~120 | 30Cr,40Cr,35CrNi1MoA,etc. | Military standards and agreements | Military tube |
Pipe for geological drilling | 42~133 | 4~25 | DZ40,DZ55,STM-R780,DZ60,etc. | Q/OHAD006, GB/T 9808 , technical protocol |
Drilling pipe |
Pipe for hydraulic prop | 42~760 | 4~120 | 20#,35#,45#,27SiMn,30MnNbRE,30CrMnSi,30CrMnSiA,etc. | GB/T 17396, technical protocol |
Making hydraulic equipment for coal mining, hydraulic cylinders and plungers for truck cranes. |
Fluid conveying pipe | 42~760 | 4~120 | 20#,Q345,Q390,etc. |
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