Gi Hollow Pipe
✔ Brand:Youfa Steel Pipe Manufacturer
✔ Size:15mm to 600mm
✔ Material:Q195, Q235, Q355
✔ Wall thickness:1mm - 30mm
✔ Standard:A53,API5L,ASTM A252,BS 1387,EN39，ASTM A795，ASTM A500,EN10210 ,EN10219,GB/T 6728, JIS3466
✔ Application:fluid and gas pipe，scaffolding steel pipe,Fire steel pipe, Fencing ,Handrails,Furniture,Greenhouses,guardrail and so on
✔ MOQ:One container about 26 tons
✔ Production time: usually 25 days
✔ Port: Xingang Tianjin Port in China
✔ Payment Terms: L/C, D/A, D/P, T/T
Tianjin YOUFA International Trade Co.,Ltd is one of the most experienced manufacturers and suppliers of gi hollow pipe in China. Welcome to wholesale bulk high quality customized produts at low price from our factory. For price list and cheap products, contact us now.
Products Description
Gi Hollow Pipe
A GI (Galvanized Iron) Hollow Pipe refers to a steel pipe that is made of galvanized iron and has a hollow cross-section.The term "hollow" refers to an empty space inside a pipeline, whose cross-sectional shape can vary and can be circular, rectangular, or square.The gi hollow pipe is made from galvanized iron, which is iron or steel coated with a layer of zinc. This galvanization process helps protect the iron or steel from corrosion.
Products Specifications
| Gi SHS | Gi CHS | Gi RHS |
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| Commodity | Galvanized Steel Pipe | ||
| Type | CHS | RHS | SHS |
| Size | 15 -- 600 mm | 20x40mm -- 300x500mm | 20x20mm -- 400x400mm |
| Wall thickness | 1.2-16.0mm | 1.0mm -- 30mm | 1.0mm -- 30mm |
| Standard | ASTM A795,ASTM A53,API5L,ASTM A252,BS 1387,EN39 | ASTM A500,EN10210 ,EN10219,GB/T 6728, JIS3466 | |
| Application | scaffolding steel pipe,Fire steel pipe,fluid and gas pipe | Fencing ,Handrails,Furniture,Greenhouses,guardrail | |
| Length | 5.8m/6m/12m or based on customers request | ||
| Surface | Natural Black or Painted or Galvanized or Oiled to prevent the rust | ||
| End finish | OD below 2 inch Plain ends, larger OD Bevelled ends | ||
| Packing | in hexagonal seaworthy bundles packed by steel strips, With two nylon slings for each bundles | ||
| Shipment | by bulk or load into 20ft / 40ft containers | ||
| Delivery time | Within 35 days after receivedadvanced payment | ||
| Payment Terms | T/T or L/C at sight | ||
Production Flow
One common method for welding steel pipes is ERW
Material Preparation Open volume Correction/The first cut/Welded Loop storage Figuration system Welding/Remove inside and outside burr Welding seam heat treatment Air-cooled/Water-cooled/Estaiblishen in diameter/Correction Flying saw cut Exterior inspection/Marking Weighting/Record
Gi Hollow Pipe
The steel pipe are dipped into a bath of molten zinc, and this process is called hot-dip galvanizing. Molten zinc adheres to the surface of the steel pipe, providing a protective coating that provides corrosion resistance to the steel pipe.
Welding steel pipe
The welded steel pipes are subjected to surface cleaning to remove any mill scale, rust, or other contaminants.
Hot Dipped Galvanizing
The preheated welded steel pipes are then immersed into a bath of molten zinc.The zinc coating provides corrosion resistance.
Proceed inspection
The galvanized steel pipes undergo a thorough inspection process to ensure quality.
Testing And Certificates
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| BS EN10219 Certificate | BSI Certificate |
Packing & Delivery
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