Galvanized steel pipes are endowed with excellent corrosion resistance by the surface galvanized layer, effectively resisting various environmental erosion. Widely used in fields such as building water supply and drainage, fire protection systems, and industrial pipeline construction, it is a popular choice for pipeline selection in many engineering projects due to its reliable quality, moderate price, and good processability, ensuring safe and stable operation of pipeline systems.
| Standard | JIS / ASTM / DIN / ST52 Standard |
| Outside Diameter | 20-220mm |
| Wall Thickness | 2-10mm |
| Length | 4-12m |
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Parameter of Galvanized Steel Tube
Galvanized steel pipe is a steel pipe product that is coated with a layer of zinc on the surface of ordinary steel pipes. The manufacturing process usually involves first subjecting ordinary steel pipes to a series of pretreatments, and then forming a uniform layer of zinc on the surface of the steel pipes through hot-dip galvanizing or electroplating processes. Hot dip galvanizing is the process of immersing pre treated steel pipes in molten zinc solution, causing a chemical reaction between zinc and the surface of the steel pipes; Electrogalvanizing utilizes the principle of electrolysis to deposit a relatively thin but uniform layer of zinc on the surface of steel pipes.
| Size | O.D. | 1/8”- 8” (5.15mm-219.1mm) |
| DN6 - DN200 | ||
| Max. → 24”(609.6mm) DN 600 | ||
| Wall Thickness | 0.4mm - 26mm | |
| SCH20, SCH40, STD, XS, SCH80, SCH160, XXS | ||
| Length | Max. Length: 12m | |
| Material | Q195 → SS330, ST37, ST42 | |
| Q235 → SS400, S235JR | ||
| Q345 → S355JR, SS500, ST52 | ||
| Thickness of gi layer | The minimum wall thickness at any point shall be not more than 12.5 % under the nominal wall thickness specified. | |
| Usage | 1) Low Pressure Liquid, Water, Gas, Oil, Line pipe | |
| 2) Construction Site | ||
| 3) Fence, Scaffold | ||
| Ends | 1) Plain | |
| 2) Beveled | ||
| 3) Thread | ||
| 4) Chamfer | ||
| 5) Groove | ||
| SurfaceTreatment | 1) Bared | |
| 2) Black Painted | ||
| 3) Galvanized | ||
| 4) Oiled | ||
| 5) Corrosion Resistant Coating,Anti Corrosion Coating. | ||
| Performance | Easy installation and removal, no permanent | |
| Connections | · No special tools needed · Use an Allen Wrench for connections · Able to operate in temperatures ranging from -20°C to 300°C | |
Features of Galvanized Steel Tube
Benefits of Galvanized Steel Pipe
Coated in zinc, galvanized steel pipes are protected from oxidation and rust, which ultimately prevents deterioration of the pipe. They are a great option when you need to protect your steel pipes from a corrosive environment. The protective quality of galvanized pipe is created through a hot-dipping process, where the zinc then provides a protective layer that will rust away before any of the steel is affected. In terms of durability, a galvanized steel pipe can last well over 100 years, depending on the amount of corrosion exposure.
Galvanized steel pipe maintains a wide range of benefits, suitable for use in highly corrosive environments. The semi-smooth, zinc finish of galvanized steel pipe provides a layer of protection that is not seen in other types of protective materials. The galvanized coating process protects the underlying steel from encountering corrosive elements that could deteriorate the steel and ultimately weaken its structural integrity. Main advantages of galvanized structural pipe include:
Protects against corrosion and rust
Increased structural longevity
Overall enhanced reliability
Affordable protection
Easy to inspect
Fewer repairs
Rugged toughness
Easier to maintain than standard painted pipes
Protected by advanced ASTM standardization
Common Applications for Galvanized Pipe
Galvanized steel pipe is an excellent choice for many applications and processing techniques. Some common applications for galvanized steel pipe include:
Plumbing
Construction
Hot and cold liquid transportation
Bollards
Exposed environments
Marine environments
Railings or Handrails
Fence Posts and Fencing
With the proper protection galvanized pipe can also be sawed, torched, or welded. Galvanized structural pipe is ideal for numerous types of applications where corrosion resistance is required.
Industries Using Steel
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