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Help CenterTP304L/316L Stainless Steel Pipe - DN80 Sch40 With Pickled/No.4 Surface Finish
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Hunan Yige Special Steel Science Technology Co., Ltd., established in 2015, is a dedicated manufacturer of premium stainless steel products, with a 5,000-10,000 square meter facility in Changsha, China. Our TP304L/316L Stainless Steel Pipe in DN80 Sch40 size features a versatile Pickled or No.4 surface finish, delivering unmatched corrosion resistance and reliability for critical industrial applications. Backed by ISO9004 and ISO14000 certifications, we ensure every pipe meets rigorous quality and environmental standards, making it an ideal choice for global markets including North America, Europe, and Asia.
This high-performance stainless steel pipe excels in demanding environments due to its superior material properties. The TP304L grade offers low carbon content for enhanced weldability and resistance to intergranular corrosion, while the 316L variant includes molybdenum for superior protection against chlorides and acids, ideal for sectors like chemical processing and marine engineering. With a DN80 Sch40 configuration, it provides optimal flow capacity and structural integrity, and the surface finish options—Pickled for a clean, oxide-free surface or No.4 for a uniform satin appearance—enhance both functionality and aesthetics.
Key technical specifications and advantages include:
- Durability: High resistance to pitting, crevice corrosion, and stress corrosion cracking, ensuring long service life even in harsh conditions.
- Precision Engineering: Manufactured to tight tolerances, with Sch40 wall thickness providing excellent pressure handling up to 150 psi for standard applications.
- Versatile Applications: Suited for industries such as oil and gas, food processing, pharmaceuticals, and water treatment, where hygiene and reliability are paramount.
- Customization: Available in various lengths beyond the standard 6m, with surface finishes tailored to specific needs upon request.
The table below summarizes core technical parameters for easy reference:
| Parameter | Value |
| Outer Diameter | 88.9 mm |
| Wall Thickness | 5.49 mm (Sch40) |
| Material Grade | TP304L or 316L |
| Surface Finish | Pickled (acid-cleaned) or No.4 (brushed) |
| Standard Length | 6 meters |
| Operating Temperature | -200°C to 800°C |
Clients benefit from reduced maintenance costs and extended equipment lifespan, as these pipes minimize leakage risks and withstand extreme temperatures. For instance, in food processing plants, the smooth Pickled surface prevents bacterial buildup, while in architectural projects, the No.4 finish adds a sleek, professional look. Our manufacturing process includes stringent quality checks, such as hydrostatic testing and visual inspections, to guarantee defect-free delivery.
Trust in Hunan Yige's expertise, with our ISO9004 and ISO14000 certifications underscoring a commitment to quality and sustainability since 2015. Serving diverse markets from North America to Oceania, our 5,000-10,000 square meter factory enables scalable production with consistent output. This pipe's robust design and adaptable features make it a reliable investment for any project—reach out today for a quote and experience how our solutions can enhance your operations with efficiency and durability.
Frequently Asked Questions (FAQ):
-
Q: What distinguishes TP304L from 316L stainless steel?
A: TP304L has lower carbon for better weldability, while 316L includes molybdenum for superior corrosion resistance in chloride-rich environments like marine settings. -
Q: How does the Pickled surface finish benefit the pipe?
A: Pickling removes oxides and impurities through acid treatment, resulting in a clean, passive layer that enhances corrosion resistance and hygiene. -
Q: What is a No.4 surface finish, and where is it used?
A: No.4 is a brushed finish with a uniform satin appearance, ideal for applications requiring aesthetic appeal, such as architectural or decorative installations. -
Q: Can I order custom lengths for this pipe?
A: Yes, lengths are customizable; standard is 6m, but we accommodate specific requirements upon request. -
Q: What industries commonly use DN80 Sch40 pipes?
A: They are widely applied in chemical processing, water distribution, oil refineries, and food production due to their pressure-handling capabilities. -
Q: Are your products certified for international use?
A: Our pipes meet ISO9004 and ISO14000 standards, ensuring quality and environmental compliance for global markets. -
Q: What is the typical lead time for orders?
A: Lead times vary but average 4-6 weeks for standard orders; expedited options may be available. -
Q: Is there a minimum order quantity?
A: MOQ is flexible; contact us for details based on your project needs.
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