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Help CenterGalvanized Steel Pipe 1 Year Warranty Hot Dip Galvanized 3 Inch 88.9mm OD Standard Compliant
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Hemaokang Steel (Shandong) Co., Ltd., a trusted manufacturer established in 2025 with an annual export value of US$50–100 million, proudly presents our premium Galvanized Steel Pipe – the 3-inch (88.9mm OD) hot-dip galvanized option designed for maximum durability and compliance with international standards. Our pipes are engineered to resist corrosion, extend service life, and ensure reliable performance in demanding environments. With a strong workforce of 51–100 experienced professionals and ISO9001 certification, we guarantee consistent quality and on-time delivery to clients across North America, South America, Europe, Southeast Asia, Africa, and beyond.
This hot-dip galvanized steel pipe features a thick zinc coating applied through a high-temperature immersion process, providing superior protection against rust, moisture, and chemical exposure. The 3-inch (88.9mm) outer diameter meets common specifications for plumbing, structural, and industrial applications, while the 1-year warranty underscores our confidence in the product’s longevity. Below, we detail the technical specifications, key advantages, and real-world benefits that make this pipe an excellent investment for your project.
Product Specifications
| Parameter | Value |
|---|---|
| Outer Diameter | 88.9 mm (3 inch) |
| Wall Thickness | 2.0 – 4.5 mm (customizable) |
| Length | 6 meters (standard) or custom length available |
| Zinc Coating Weight | ≥ 200 g/m² (typical for hot-dip galvanized) |
| Standard Compliance | ASTM A53, BS 1387, or customer-specified standards |
| Surface Finish | Smooth, uniform, no sharp edges |
Key Features & Benefits
- Superior Corrosion Resistance: The hot-dip galvanized coating forms a metallurgical bond with the steel, protecting the pipe from rust even in high-humidity or outdoor environments. This extends the pipe’s lifespan by 20–30 years compared to uncoated steel.
- Standard Compliant & Certified: Our pipes are manufactured in accordance with recognized international standards (ASTM A53, BS 1387, etc.) and backed by ISO9001 certification, ensuring consistent quality and dimensional accuracy.
- 1-Year Warranty: We stand behind our product with a full 1-year warranty, giving you peace of mind and assurance of quality. Any manufacturing defects will be promptly addressed.
- Versatile Applications: Ideal for water supply lines, gas pipelines, structural frameworks, handrails, scaffolding, fencing, and agricultural irrigation systems. The 3-inch diameter is a common size for main supply lines and medium-load structures.
- Cost-Effective Solution: Hot-dip galvanized steel pipes offer a low maintenance cost over their service life, requiring no painting or additional protective coatings. The initial investment pays off through reduced replacement and repair expenses.
- Easy Installation: The pipe ends are smooth and free of burrs, making welding, threading, or coupling simple and efficient. Custom lengths and threading options are available upon request.
- Environmental Friendly: 100% recyclable material; the galvanizing process is performed with strict environmental controls, reducing waste and energy consumption.
Why Choose Hemaokang Steel?
As a leading exporter with annual export value between US$50 million and US$100 million, we have shipped millions of tons of steel products to over 50 countries. Our ISO9001-certified facility in Liaocheng, Shandong, employs advanced production lines and rigorous quality control testing, including visual inspection, dimensional checks, and hydrostatic pressure tests. Every pipe is traceable and meets the strictest criteria.
Our dedicated team of 51–100 professionals ensures fast response times, flexible order quantities (from trial orders to bulk containers), and competitive pricing. We have established long-term partnerships with clients in North America, South America, Europe, Africa, Oceania, and Asia. Whether you need standard 6-meter lengths or custom sizes, we can accommodate your specific requirements.
Frequently Asked Questions (FAQ)
-
Q: What is the difference between hot-dip galvanized and pre-galvanized pipes?
A: Hot-dip galvanized pipes are immersed in molten zinc after fabrication, creating a thicker, more durable coating. Pre-galvanized pipes are coated before forming, which may result in thinner coverage and less protection in cut edges. Our hot-dip process ensures uniform corrosion resistance. -
Q: Can you provide threaded or grooved ends?
A: Yes, we offer custom end finishing including threading, grooving, and beveling upon request. Please specify your requirements when placing an order. -
Q: What is the minimum order quantity (MOQ)?
A: We accept small trial orders starting from 5 tons, while bulk orders are welcome. Contact us for detailed MOQ based on your specifications. -
Q: How long does the zinc coating last?
A: In typical outdoor environments, the hot-dip galvanized coating can last 20–30 years before any maintenance is needed, depending on exposure conditions. The 1-year warranty covers manufacturing defects. -
Q: Do you have certificates for the material?
A: Yes, we provide mill test certificates (MTC) with each shipment, confirming chemical composition, mechanical properties, and coating thickness. Our ISO9001 certification is also available upon request. -
Q: Can you ship to my country?
A: We export to all major regions including North America, South America, Europe, Africa, Oceania, Southeast Asia, and the Middle East. We can arrange FOB, CIF, CFR, or DAP terms as needed. -
Q: What is the normal delivery time?
A: For standard sizes, delivery is within 15–20 days after order confirmation. Custom specifications may require 25–30 days. We always strive to meet your schedule. -
Q: Is the pipe suitable for high-pressure applications?
A: Yes, depending on the wall thickness selected. For example, a 3-inch pipe with 4.5mm wall thickness can withstand working pressures up to 20 bar (suitable for many water and gas systems). Please consult our technical team for specific pressure ratings.
We believe that quality and service go hand in hand. Hemaokang Steel is committed to providing you with top-tier galvanized steel pipes that meet your exact needs. Contact us today for a competitive quotation, and let us support your next project with reliable, long-lasting materials. With our 1-year warranty and ISO9001 certification, you can buy with confidence. Choose Hemaokang – choose dependability.
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