In the realm of heavy engineering and load-bearing structures, the integrity of the steel pipe is non-negotiable. The Yuantai Derun Hot Dip Galvanized Round Pipe is engineered to provide not just corrosion resistance, but exceptional structural reliability under high stress. Leveraging our advanced ERW, HFW, and LSAW welding technologies, we manufacture pipes that exhibit uniform wall thickness and perfect circularity. The hot-dip galvanization after the welding process ensures that even the weld seam—often the weakest point in conventional pipes—is fully fortified with a dense zinc coating. This dual advantage of high tensile strength and comprehensive corrosion protection makes our pipes the backbone of modern infrastructure, supporting everything from high-rise building columns to heavy-duty marine piers. Our rigorous adherence to OHSAS18001 and LEED standards guarantees that safety and environmental responsibility are built into every millimeter of pipe we produce.
Yuantai Derun stands at the forefront of the Chinese steel industry, holding over 100 technical patents that define the future of hollow structural sections. Our production process incorporates fully automated electronically controlled forming lines, specifically our renowned 500x500mm and 300x300mm lines, which ensure seamless dimensional accuracy. We offer round pipes in a variety of manufacturing methods—including cold-drawn, hot-rolled, and hot-finished—to meet specific mechanical property requirements. The hot-dip galvanization is meticulously controlled to maintain ductility, ensuring that the pipe retains its ability to absorb energy during seismic events or heavy wind loads.
List of Structural & Physical Properties:
1. High Yield Strength: Compatible with various grades (GR.B, S235, S355, etc.) to suit specific structural calculations.
2. Exceptional Weld Quality: Our HFW process ensures a tight weld seam with 100% nondestructive testing (NDT) available to verify internal integrity.
3. Thick Coating Options: Capable of applying galvanized coatings up to 100 microns or more, tailored for specific aggressive environments.
4. Precision Cut Ends: Available with chamfered or plain ends to facilitate easy field welding and connection.
5. Straightness Tolerance: Manufactured to strict straightness standards, simplifying installation and reducing stress on connections.
|
out diameter |
Wall thickness |
Length |
|
|
Inch |
mm |
mm |
meter |
|
1/2 |
21.3mm |
0.6mm-3.0mm |
0.3m-12m |
|
3/4 |
26.9mm |
0.6mm-3.0mm |
0.3m-12m |
|
1 |
33.4mm |
1.0mm-3.0mm |
0.3m-12m |
|
1-1/4 |
42.3mm |
1.0mm-4.0mm |
0.3m-12m |
|
1-1/2 |
48.3mm |
1.0mm-4.0mm |
0.3m-12m |
|
2 |
60.3mm |
1.5mm-4.0mm |
0.3m-12m |
|
2-1/2 |
76.1mm |
1.5mm-4.0mm |
0.3m-12m |
|
3 |
88.9mm |
1.5mm-9.5mm |
0.3m-12m |
|
4 |
114.3mm |
2.0mm-9.5mm |
0.3m-12m |
|
5 |
141.3mm |
3.0mm-9.5mm |
0.3m-12m |
|
6 |
168.3mm |
3.0mm-12.0mm |
1.0m-12m |
Our strength lies not only in manufacturing but also in our integrated supply chain. With 1,600 acres of facilities and 2,200+ employees, we ensure that large-scale orders are fulfilled promptly and efficiently. We maintain massive inventory levels of raw materials, allowing for rapid production cycles. Whether you require a small batch for a specific architectural feature or a bulk order for a national infrastructure project, our 5 million-ton annual capacity (scalable to 10 million tons) guarantees we meet your deadlines. Our logistics division ensures seamless shipping from our Tianjin base—located in China’s largest steel pipe production zone—directly to major global ports, minimizing shipping times and freight costs. We back our products with full documentation, including mill test certificates (MTC) and third-party inspection reports, offering complete peace of mind regarding material provenance and compliance.
Ranked among China’s Top 500 Private Enterprises, our reputation is built on reliability and partnership. We have the financial robustness (700M RMB registered capital) and technical expertise to support complex, large-scale projects. Our certifications—including EU CE (10219/10210), BV, and DNV—unlock the door for our pipes to be used in European and maritime projects without barrier. By choosing our hot dip galvanized round pipe, you are investing in a product that reduces repair cycles, minimizes downtime, and provides a superior return on investment through its extended operational life. We are not just a supplier; we are your strategic partner in building a resilient and sustainable future.