Galvanized seamless pipe is a material obtained by galvanizing seamless steel pipes. The manufacturing process first uses high-quality steel billets to produce seamless steel pipes through mrthods such as hot rolling or cold rolling, and then galvanizes their surfaces. This type of pipe is widely used in many fields such as construction, municipal engineering, agricultural irrigation, industrial protection, etc.
| Standard | JIS / ASTM / DIN / ST52 Standard |
| Outside Diameter | 20-220mm |
| Wall Thickness | 2-10mm |
| Length | 4-12m |
Parameter of Seamless Galvanized 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 Seamless Galvanized Pipes
Zinc coating on the surface of the galvanized seamless pipe is capable of reacting with oxygen in the ambient air. Via the sacrificial anode mechanism, a compact zinc oxide protective layer is formed, which substantially enhances the corrosion resistance of the pipe material.
Being a type of pipe that is galvanized based on seamless steel pipes, the galvanized seamless pipe inherits the favorable mechanical properties of seamless steel pipes. It exhibits relatively high strength and toughness, enabling it to endure certain pressure and impact loads without being prone to deformation or rupture.
Seamless galvanized pipe is amenable to processing operations such as cutting, bending and welding with relative ease.
Its surface exhibits a lustrous metallic sheen and a consistent color, thereby endowing it with good decorative characteristics.
Owing to its satisfactory corrosion resistance and mechanical properties, the seamless gi pipe can be employed for the conveyance of a diverse range of media, including water, oil, gas and some weakly corrosive chemical solutions.
Industries Using Steel
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