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Help CenterFull Length 6m ERW Hot Dip Galvanized Steel Pipe OD 165mm Wall Thickness 5.5mm
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As a manufacturer backed by Hemaokang Steel (Shandong) Co., Ltd., we supply full-length 6-meter ERW hot dip galvanized steel pipes with an outer diameter of 165mm and a wall thickness of 5.5mm. These pipes are engineered to deliver reliable performance in demanding environments, combining the strength of electric resistance welding with the long-lasting protection of hot-dip galvanization. Whether you are building structural frameworks, water conveyance systems, or perimeter fencing, our product is designed to meet your project requirements with consistency and precision.
Our manufacturing process begins with high-quality carbon steel coils that are slit and formed into a tube by high-frequency electric resistance welding. This ERW method ensures a uniform weld seam with excellent impact toughness and no harmful spiral weld defects. After welding, each pipe undergoes careful heat treatment and water cooling to refine the grain structure, resulting in a tougher, more ductile product that is easier to cut, weld, and install on site.
The hot-dip galvanizing stage is where the pipe gains its remarkable corrosion resistance. The steel is immersed in a molten zinc bath, producing a dense, metallurgically bonded zinc coating that shields the base metal from rust and oxidation. This coating not only extends the service life of the pipe but also minimizes maintenance costs, making it an ideal choice for outdoor and humid environments.
Product Features and Benefits
- Full Length 6 Meters: Fewer joints mean reduced installation time, lower leakage risk, and enhanced structural integrity over long continuous runs.
- Accurate Dimensions: Outer diameter of 165mm and wall thickness of 5.5mm are produced to tight tolerances, ensuring compatibility with standard fittings and flanges.
- ERW Production: The electric resistance welding process provides a smooth, burr-free internal surface, which improves fluid flow and prevents scale build-up in piping systems.
- Hot Dip Galvanized: Zinc coating thickness can be specified to meet ASTM, EN(optional), or other standards, offering adaptability to varied corrosive conditions.
- High Load-Bearing Capacity: The combination of diameter and wall thickness creates a high moment of inertia, suitable for horizontal beams, columns, and support structures.
- Easy to Fabricate: The pipe can be cut, threaded, grooved, or welded as per project specifications, giving you flexible installation options.
- Cost-Effective Longevity: With proper galvanization, the pipe often lasts decades with minimal upkeep, making it a wise investment for infrastructure.
Below are the key physical parameters of our 165mm ERW hot dip galvanized steel pipe:
| Parameter | Value |
|---|---|
| Outer Diameter | 165mm |
| Wall Thickness | 5.5mm |
| Length | 6m full length (cut-to-length optional) |
| Standard | ISO9001 quality management system |
| Zinc Coating | Avg. 500 g/m² (customizable per request) |
| Weld Type | ERW (Electric Resistance Welded) |
| Surface | Hot dip galvanized, smooth and bright |
This pipe is suitable for a wide range of applications. In agricultural and industrial construction, it serves as a sturdy column, railing, or greenhouse support. In civil engineering, it is used for scaffold structures, temporary shelters, and pipe fencing. For fluid transportation, the smooth internal surface reduces friction loss, while the zinc coating prevents contamination and corrosion even if the pipe is exposed to soil or water. It also works well for cable conduit, ventilation ducts, and machine frames.
Quality assurance is a top priority at our manufacturing facility. Every production batch is checked for dimensional accuracy, weld integrity, coating thickness, and surface appearance. We understand that overseas buyers require consistent quality, so our internal control system traces each heat number and production date. We also provide documentation such as material test certificates and inspection reports upon request.
As an ISO9001-certified company operating in Liaocheng, Shandong, we have established a robust supply chain capable of handling large-volume orders. With an annual export value between US$50 million and US$100 million, we supply steel products to markets across North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Middle East, and many other regions. Our port of shipment is Qingdao, which ensures efficient logistics and timely delivery.
We encourage you to send us your specific inquiries for pricing, custom coatings, or additional processing such as cutting, threading, beveling, or grooving. Our team will respond promptly with technical details and production schedules. With our full length 6m ERW hot dip galvanized steel pipe, you are choosing a product that combines practical engineering, excellent corrosion resistance, and competitive value for money.
Frequently Asked Questions
Q1: Are the pipes supplied in exact full 6-meter lengths?
Yes, standard supply is 6 meters full length. If you need shorter or longer pieces, we can cut the pipe according to your drawings or specifications upon confirmation.
Q2: Can the zinc coating thickness be adjusted?
Definitely. Hot dip galvanizing can be tailored to meet different environments. We can produce a heavier coating for highly corrosive areas or a standard coating for general use. Just let us know your requirement.
Q3: Do you provide a material certificate?
Yes, a mill test certificate is provided with each shipment. Third-party inspection is also welcomed and can be arranged at the production site or through a designated agency.
Q4: What is the minimum order quantity?
The MOQ depends on the diameter and wall thickness. For 165mm x 5.5mm pipe, the usual MOQ is a full 20-foot container. Other quantities are available for trial orders.
Q5: How long does delivery take?
For standard products, production usually takes 2-3 weeks after the deposit. After that, shipping time depends on the destination port. We will provide a clear schedule before order confirmation.
Q6: Is the pipe suitable for use in potable water systems?
The outer galvanized layer is not designed to be in direct contact with drinking water for long periods. For potable water transport, internal lining options such as epoxy can be applied. Please consult our engineers for the best solution.
Q7: What payment terms do you accept?
We commonly accept T/T and L/C. Other flexible terms may be negotiated for regular cooperation.
Q8: How do you handle quality complaints?
We value every feedback. If there is any non-conformity, we will issue a credit or replace the goods after verification. Our after-sales policy is transparent and customer-oriented.
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