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Help CenterTP304L 316L Stainless Steel Pipe Seamless/Welded DN80 Sch40 Round Rectangle Square
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As a leading manufacturer since 2015, Hunan Yige Special Steel Science Technology Co., Ltd. proudly produces high-quality stainless steel pipes designed for global industrial applications, backed by ISO9004 and ISO14000 certifications. Our extensive 5,000-10,000 square meter facility in Changsha, Hunan, China, ensures reliable and durable solutions that meet rigorous standards, serving diverse markets from North America to Southeast Asia. This DN80 Sch40 pipe, available in seamless or welded options, offers exceptional corrosion resistance and versatility for demanding environments, helping you reduce maintenance costs and enhance operational efficiency. With a focus on innovation and customer satisfaction, we deliver products that excel in performance and longevity.
Our TP304L and 316L stainless steel pipes are engineered for superior strength and durability, making them ideal for a wide range of industrial uses. Key features include:
- Material Advantages: TP304L provides excellent low-carbon properties for improved weldability, while 316L includes molybdenum for enhanced corrosion resistance in harsh conditions like chemical processing or marine applications.
- Versatile Configurations: Available in seamless (ideal for high-pressure systems) or welded (cost-effective for standard applications) types, with shapes including round, rectangle, and square to suit various installation needs.
- Technical Specifications: The DN80 Sch40 designation ensures consistent dimensions, with a nominal diameter of 80mm and wall thickness adhering to schedule 40 standards for reliable flow and pressure handling.
For detailed dimensions, refer to the table below:
| Shape | Outer Diameter (mm) | Wall Thickness (mm) | Schedule |
| Round | 88.9 | 5.49 | Sch40 |
| Rectangle | Customizable | Sch40 Equivalent | Sch40 |
| Square | Customizable | Sch40 Equivalent | Sch40 |
These pipes deliver significant benefits, such as reduced risk of leaks due to precise manufacturing, easy installation with standard fittings, and long-term cost savings from minimal upkeep. They are perfect for sectors like oil and gas, food processing, and construction, where reliability is critical. For instance, in chemical plants, the corrosion-resistant properties prevent contamination, while in architectural projects, rectangular and square shapes offer aesthetic flexibility without compromising strength.
With over eight years of expertise and ISO certifications, Hunan Yige has established a strong presence across North America, Europe, Asia, and other global markets, ensuring our products meet international quality standards. Our commitment to sustainable manufacturing and customer-centric solutions means you receive pipes that are not only durable but also environmentally responsible. Trust in our proven track record to provide dependable, high-performance piping that enhances your projects—contact us today for a quote or customization options to meet your specific needs.
Frequently Asked Questions (FAQ):
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What distinguishes TP304L from 316L stainless steel?
TP304L has lower carbon content for better welding, while 316L includes molybdenum for superior corrosion resistance in aggressive environments like saltwater or chemicals. -
Can I order pipes in custom sizes or shapes?
Yes, custom dimensions are available upon request, including non-standard lengths or specialized profiles for unique applications. -
Are these pipes suitable for high-temperature applications?
Absolutely, both TP304L and 316L grades withstand temperatures up to 870°C, making them ideal for industrial heating systems. -
What industries commonly use rectangular and square pipes?
Rectangular pipes are popular in construction for frames, while square pipes excel in structural supports for machinery or architectural designs. -
How does Sch40 affect the pipe's performance?
Sch40 indicates a medium wall thickness that balances pressure handling and weight, suitable for most fluid transport systems. -
What certifications ensure product quality?
Our pipes comply with ISO9004 for quality management and ISO14000 for environmental standards, ensuring reliability and sustainability. -
Is seamless or welded better for my project?
Seamless is preferred for high-pressure uses to avoid weak points, while welded offers cost efficiency for standard pressures. -
What is the typical lead time for orders?
Lead times vary based on quantity and customization but are generally within 2-4 weeks for standard stock items.
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