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Help CenterCold-Drawn Seamless Round Steel Pipe 20mm-500mm OD for Structural Use
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As a dedicated manufacturer since 2015, Hunan Yige Special Steel Science Technology Co., Ltd. proudly produces high-quality cold-drawn seamless round steel pipes designed for structural applications. With our ISO9004 and ISO14000 certifications, we ensure precision engineering and environmental responsibility in every pipe. Our factory, spanning 5,000-10,000 square meters in Changsha, China, enables efficient production to serve diverse markets including North America, Europe, and Asia. We focus on delivering reliable, durable solutions that enhance structural integrity in construction projects worldwide.
Our cold-drawn seamless steel pipes offer exceptional benefits for structural use:
- Superior Strength and Durability: The cold-drawing process enhances tensile strength and surface finish, making the pipes resistant to deformation and corrosion.
- Precise Dimensions: With an outer diameter range of 20mm to 500mm, these pipes provide consistent sizing for accurate fitting in frameworks, bridges, and machinery.
- Seamless Construction: Eliminates weak points like welds, ensuring uniform load distribution and reducing failure risks in high-stress environments.
- Versatile Applications: Ideal for building skeletons, industrial equipment, and infrastructure due to their high load-bearing capacity and adaptability.
Key technical specifications include:
| Outer Diameter (OD) | Common Wall Thickness | Standard Length |
| 20mm - 100mm | 1.5mm - 10mm | 6m (customizable) |
| 101mm - 300mm | 5mm - 20mm | 6m or 12m |
| 301mm - 500mm | 10mm - 30mm | Custom lengths |
Advantages for clients include reduced maintenance costs, ease of installation, and compliance with industry standards. The pipes' smooth surface finish minimizes friction, enhancing flow efficiency in mechanical systems. For custom requirements, wall thickness and lengths are adjustable to meet specific project needs.
Backed by over 8 years of manufacturing expertise and global reach across markets like North America and Southeast Asia, we guarantee quality assurance through rigorous testing. Our ISO certifications underscore a commitment to excellence and sustainability. Partner with us for dependable, cost-effective structural solutions—contact Hunan Yige today for tailored quotes and swift delivery from our Changsha facility.
Frequently Asked Questions (FAQ)
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Q: What is the minimum order quantity (MOQ)?
A: MOQ is flexible, starting from 1 ton, with options for bulk or sample orders. -
Q: Can I request custom sizes outside the 20mm-500mm range?
A: Yes, custom diameters and wall thicknesses are available upon request to suit unique applications. -
Q: What materials are used in these pipes?
A: We use high-grade carbon steel, known for its strength and corrosion resistance in structural settings. -
Q: How long is the typical delivery time?
A: Delivery takes 15-30 days, depending on order volume and customization, with expedited options. -
Q: Are there specific certifications for international markets?
A: Our pipes meet ISO9004 and ISO14000 standards, ensuring global compliance; additional certifications are optional. -
Q: What surface treatments are applied?
A: Standard finishes include smooth cold-drawn surfaces; coatings like galvanizing are customizable for enhanced protection. -
Q: How do these pipes perform in seismic zones?
A: Their seamless design provides excellent shock absorption, making them suitable for earthquake-resistant structures. -
Q: Is packaging included?
A: Yes, pipes are bundled securely; custom packaging is available upon request to prevent damage during transit.
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