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Help CenterGalvanized Steel Pipe Manufacturer, 1 Year Warranty, Mill Test Report With Each Batch, Custom OEM Service
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Hemaokang Steel (Shandong) Co., Ltd. is a dedicated manufacturer of galvanized steel pipes, proudly serving global buyers since 2025. With an annual export value of US$50-100 million and a professional team of 51-100 employees, we combine modern production capabilities with strict quality management. Our galvanized steel pipes are manufactured to meet diverse industrial needs, offering reliable corrosion resistance, long service life, and exceptional structural integrity. Every batch is accompanied by a Mill Test Report to ensure full traceability and compliance with your project requirements.
Our galvanized steel pipe is produced through a systematic hot-dip galvanizing process that forms a uniform zinc coating, effectively protecting the steel substrate from moisture, chemicals, and atmospheric corrosion. This makes our pipes ideal for water supply, HVAC, scaffolding, structural support, and agricultural applications. We provide custom OEM services, allowing you to specify dimensions, zinc coating weight, pipe end finish, and packaging according to your exact project specifications.
Key Features and Technical Specifications
- Hot-dip galvanized finish: Zinc coating from 40 to 300 g/m², customizable based on your anti-corrosion requirements.
- Wide size range: Outer diameter from 21.3 mm to 323.9 mm (1/2" to 12"), wall thickness from 1.0 mm to 12.7 mm.
- Multiple standards available: ASTM A53, BS 1387, GB/T 3091, DIN 2440, JIS G3444 – or we can produce according to your specific standard.
- Excellent mechanical properties: Our pipes offer reliable tensile strength, yield strength, and elongation suitable for structural and pressure applications.
- Smooth surface and uniform coating: Durable zinc layer without spangles or lumps, ensuring easy welding and cutting on site.
- Complete traceability: Every batch is delivered with a Mill Test Report showing chemical composition, mechanical properties, and coating specifications.
- Flexible packaging: Packed in bundles with woven bags, plastic caps, or steel strips – according to your preference.
- 1-year warranty: We stand behind our product quality with a full 12-month warranty against manufacturing defects.
Detailed Parameter Table (Reference)
| Pipe Type | ERW (Electric Resistance Welded) / Seamless |
| Outer Diameter | 21.3 mm – 323.9 mm (1/2" – 12") |
| Wall Thickness | 1.0 mm – 12.7 mm |
| Length | 3 m, 6 m, 12 m or random length / cut to order |
| Zinc Coating | 40 – 300 g/m² (customer specified) |
| Steel Grade | Q195, Q215, Q235, Q345, ASTM A53 Gr.B |
| Standard | ASTM A53, BS 1387, GB/T 3091, DIN 2440, JIS G3444 |
| Pipe End | Plain ends, beveled ends, threaded with coupling |
| Processing Service | Cutting, threading, grooving, drilling, marking |
| Technique | Hot-dip galvanized (zinc coating) |
Why Choose Our Galvanized Steel Pipe?
We understand that in construction and infrastructure projects, every component must deliver consistent performance. That is why our pipe production is carried out in a controlled environment with regular sampling and testing. The hot-dip galvanizing process ensures that the zinc layer penetrates threads and corners, providing complete protection where it matters most. Additionally, the pipe’s smooth surface facilitates easy painting or additional powder coating if required. Whether you need a light-duty pipe for water conveyance or a heavy-duty pipe for structural framing, our line can be tailored to your project’s load-bearing and corrosion-resistance demands.
For international customers, we know that logistics and paperwork can be just as important as product quality. Based in Liaocheng, Shandong, we are conveniently located close to Qingdao Port, ensuring efficient and reliable sea freight to global destinations. Our products have been shipped to markets across North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Middle East, East Asia, Western Europe, and more. Our experienced foreign trade team handles all export documentation, including the Mill Test Report, packing list, and commercial invoice, so you can receive your order with confidence.
Custom OEM Service Highlights
- Custom lengths – available down to millimetre accuracy
- Custom zinc coating – optional levels to match your local environmental conditions
- Custom marking – print your own logo, standard, grade, or heat number
- Custom end finishing – plain, bevelled, threaded, or socketed
- Alternative material grades – available upon request for special projects
Trust and Quality Assurance
As a young IT company with a strong growth trajectory, we are fully committed to building long-term relationships with our customers. We are ISO9001 certified, reflecting our systematic approach to quality management. But beyond certification, our daily performance is what earns us loyalty. Each production batch undergoes strict inspection – from raw material verification to final coating weight and dimensional checks. We provide a Mill Test Report with each batch, helping you verify chemical and mechanical properties without any extra effort. Our 1-year warranty is our promise that you can install and operate our pipes with confidence. Add to that our competitive export volume of US$50-100 million annually and a professional workforce that has served clients from dozens of countries – and you have a partner you can rely on.
We invite you to contact us with your desired specifications or drawings. Our engineers will assist you in selecting the right pipe type, grade, and galvanizing weight for your unique application. We offer rapid responses, realistic lead times, and competitive pricing – all with the goal of making your project a success.
Frequently Asked Questions
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Q: Can I order a small quantity for testing?
A: Yes, small trial orders are available. We understand the importance of testing the product before large purchases – just let us know the exact size and length you need. -
Q: How long does production take?
A: For standard sizes with common zinc coating, production typically takes 15-25 days after confirmation. Custom specifications may require additional time depending on technical requirements. -
Q: What information do you need to provide a quote?
A: Please send us the outer diameter, wall thickness, length, steel grade, zinc coating amount, and quantity (in tons or pieces). If you are using a certain standard, mention it as well. -
Q: Do you provide free samples?
A: Yes, we may provide a small free sample for quality evaluation if you can bear the shipping cost. For regular orders, sample fee can be deducted. -
Q: How is the Mill Test Report issued?
A: The Mill Test Report is prepared based on the actual production results of each batch. It includes chemical composition, tensile strength, yield strength, and zinc coating weight. A signed PDF copy is sent with the shipping documents. -
Q: Can you produce pipes according to non-standard sizes?
A: Yes, custom outer diameter, wall thickness, and length are possible through our OEM service. Contact our engineers to confirm production feasibility and lead time. -
Q: What shipping methods do you support?
A: We ship from Qingdao Port by sea freight, and can also arrange container loading, breakbulk, or LCL. For urgent needs, air freight is also available upon request. -
Q: How does your 1-year warranty work?
A: If any defect is found under proper usage during the warranty period, we will provide a replacement or negotiate compensation, based on the inspection results and mutual agreement.
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