Gi Water Pipe
✔ Size:DN15 -- DN600
✔ Material:Q195, Q235, Q355
✔ Wall thickness:2MM-20MM
✔ Standard:API5L, ASTM A53/A252, ASTM A106,BS1387, GB/T 3091 & GB/T13793 ,EN102556
✔ Brand:Youfa Steel Pipe Manufacturer
✔ Application:steel pipe for water supply
✔ 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 water 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.
Your Professional Water Pipeline manufacturer in China

24 years experience
13 factories with 293 production lines

Listed Company
China's Top 500 Enterprises and Manufacturing Industry

8 Manufacturer Bases
Green and environmentally friendly factor

One-stop Procurement
Carbon steel pipes and fittings and scaffolding
Products Description
Galvanized water pipe is a type of pipe specifically designed for transporting drinking water (drinking water) or non drinking water in residential, commercial, and industrial piping systems

water supply and distribution
Galvanized water pipes are used in water supply and distribution systems to meet large-scale operations and industrial needs

Underground water pipe line
Galvanized water pipes are commonly used in underground pipelines and irrigation systems

Residential plumbing systems
Distribute water to fixed fixtures throughout the house, such as sinks, showers, and toilets
Products Specifications
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| Commodity | Gi Water Pipeline | |
| Type | ERW | SMLS |
| Size | DN15 -- DN600 | DN15 -- DN600 |
| Wall thickness | 2MM-20MM | sch40 sch80 sch160 |
| Standard | API5L, ASTM A53/A252, BS1387, GB/T 3091 & GB/T13793 , EN10255 | ASTM A106 ,ASTM A53,GB8163-1999 |
| 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 | Threaded or Grooved or Plain Ends | |
| Usage | Residential Water Supply,Irrigation Systems,Industrial Water Treatment Facilities,Water Wells and Pumping Systems,Fire Hydrant Systems, etc | |
| 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 | |

Plain End
Plain ends are cut square to the axis of the pipe

Beveled End
Beveled ends are cut at an angle to facilitate welding.

Threaded End
Threaded ends have threads cut into the pipe

Grooved End
Grooved ends have a groove cut into the pipe
Production Flow
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Gi Water Pipe Manufacture Procedures
Galvanized water pipes are made of steel or iron and coated with a layer of zinc through a process called galvanizing.
Pickling
Pickling is a method used to remove impurities, oxide scale, rust, and other surface pollutants from the galvanized surface of pipelines.
Hot dipped galvanizing
Immerse the GI tube into a molten zinc bath, keeping the bath at an accurate temperature to ensure appropriate coating thickness and uniformity.
Zinc layer thickness inspection
Non destructive testing methods can be used to measure the thickness of the zinc layer without damaging the pipeline.

Testing And Certificates
Youfa Certificate


Ul Certificates

BSI Certificate

EN10219 certificate
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Packing & Delivery
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One-stop Procurement
One stop procurement service factory

Carbon Steel Pipe

Scaffolding System

Stainless Steel Pipe

Pipe Fitting
ERW Steel Pipe , Hot Dipped Galvanized Steel Pipe , Square /Rectangular Steel Pipe, SSAW Steel Pipe, Plastic Lining Composite Pipe, Plastic Coated Steel Pipe,Carbon Steel Coil/Sheet
Carbon Steel Pipe
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Scaffolding System
lndustrial fluid transmission pipe,Thin-walled Stainless Steel Pipe,Food Hygienic Grade Stainless Steel Pipe,Mechanical Structure and Decoration Stainless Steel Pipe,Stainless Steel Coil/Sheet
Stainless Steel Pipe
Carbon steel fitting, Flange, Malleable iron fitting, Grooved fitting, Stainless steel fitting.
Pipe Fitting
FAQ
What are the three types of GI pipe?
In general, GI pipes are classified based on their thickness and durability, which are denoted by different classes.
Light Class (Class A): Light class GI pipes have the thinnest walls and are typically used for light-duty applications such as low-pressure plumbing, irrigation systems, and domestic water supply.
Medium Class (Class B): Medium class GI pipes have thicker walls compared to light class pipes and are suitable for medium-pressure applications such as water distribution, fire protection systems, and industrial piping.
Heavy Class (Class C): Heavy class GI pipes have the thickest walls and are designed for high-pressure and heavy-duty applications such as underground water mains, sewerage systems, and structural support.
Why are water pipes galvanized?
Galvanized pipes are considered safe pipelines for transporting drinking water. Zinc coating is non-toxic and will not leach harmful substances into the water supply, ensuring that drinking water remains clean and safe. Compared to untreated steel or iron pipes, galvanized water pipes are more durable.
Is galvanized steel pipe OK for water?
Yes, galvanized steel pipes are suitable for water supply applications in certain situations. Galvanized steel pipes are coated with a layer of zinc to protect the underlying steel from corrosion, enabling rust prevention and other forms of deterioration.
What type of pipe is used for domestic water?
Common types of pipes used for domestic water supply include:galvanized steel pipes,stainless steel pipes,copper pipes,pvc pipes.
Related Products
| Main Products | Sizes(OD.) / Dimension | Wall Thickness | Production Lines | Producing Capacity |
| ERW steel pipe | 1/2" -- 8" | 0.5mm--10.0mm | 62 | 1,000,000 tons per year |
| Hot dipped galvanized steel pipe | 1/2"-8" | 0.5mm--10.0mm | 40 | 1,500,000 tons per year |
| Oil casing pipe | 219mm-2020mm | 5.0mm--28mm | 9 | 150,000 tons per year |
| SSAW steel pipe | ||||
| Square/rectangular steel tube | 10x10--800x800mm | 0.5mm--20mm | 31 | 800,000 tons per year |
| 10x20--800x600mm | ||||
| Hot-dip galvanized square/rectangular steel tube | 10x10--200x200mm | 0.5mm--15.0mm | 12 | 250,000 tons per year |
| 10x20--250x150mm | ||||
| Seamless steel pipe | 1/2"-40" | sch10, sch40, sch80,sch160 | 2 | 100,000 tons per year |
| Steel-plastic complex steel pipe | 1/2"--12" | 1.5mm--10.0mm | 25 | 100,000 tons per year |
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