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Help CenterPharmaceutical Grade 304 Stainless Steel Seamless Pipe 25.4mm OD 6M For Cleanroom Sanitary Piping System
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Hemaokang Steel (Shandong) Co., Ltd., established in 2025 and located in Liaocheng, Shandong, China, is a dedicated manufacturer and exporter of high-quality stainless steel products. With an annual export value of US$50 million to US$100 million, we serve customers worldwide across North America, South America, Europe, Asia, and other major markets. This Pharmaceutical Grade 304 Stainless Steel Seamless Pipe with a 25.4mm outer diameter and 6-meter length is specially engineered for cleanroom and sanitary piping systems, delivering superior purity, strong resistance to corrosion, and long-term reliability. Each pipe is manufactured under our ISO9001 quality management system to ensure consistent compliance with the highest expectations of pharmaceutical and biotechnology industries.
The seamless structure of this pipe is fundamental to its high performance. Without any longitudinal weld seam, the pipe provides a uniform microstructure and enhanced mechanical strength, greatly reducing the risk of leakage or failure under high pressure and temperature fluctuations. The 304 stainless steel material offers excellent weldability, formability, and chemical resistance, making it suitable for transporting purified water, clean steam, and various aggressive media in controlled environments. In cleanroom applications, the smooth and dense surface of the pipe minimizes particle retention and simplifies cleaning and sterilization procedures, thereby contributing to the overall integrity of a pharmaceutical process line.
Surface finish is a key factor in sanitary piping. Our pipe is available with several finish options including pickled, polished, and electropolished. An electropolished inner surface can achieve an ultra-low roughness value, which is essential for preventing the buildup of bacteria and impurities. We can customize the inner and outer surface roughness to meet your specific requirements, with typical Ra values from 0.4 μm to 0.8 μm. This flexibility allows our customers to select the optimal finish for their process, from general cleanroom systems to critical high-purity installations.
Precision manufacturing ensures dimensional accuracy. The 25.4mm outer diameter is produced to tight tolerances, making it fully compatible with standard sanitary ferrules, gaskets, and other fittings. The standard 6-meter length reduces the number of welds and joints required, lowering installation complexity and improving system integrity. For special project needs, we offer cutting and beveling services, as well as custom packaging to protect the pipe during transit. This attention to detail minimizes installation time and total cost, while delivering dependable long-term performance.
- High Purity 304 Material: Reduces contamination risk and ensures product safety in pharmaceutical, food, and biotech applications.
- Seamless Construction: Provides higher pressure handling capability and eliminates weak points found in welded pipes.
- Precise 25.4mm OD and 6M Length: Ideal for standard sanitary piping layouts, reducing fitting requirements and error tolerance.
- Cleanroom Ready Design: Smooth surfaces support efficient cleaning, sterilization, and validation.
- Customizable Surface Finish: Options such as pickling, polishing, and electropolishing are available upon request.
- Traceable Quality: Backed by our ISO9001 certified management system and comprehensive inspection procedures.
Technical Specifications
| Parameter | Specification |
| Material | 304 Stainless Steel (Pharmaceutical Grade) |
| Outer Diameter | 25.4mm |
| Length | 6,000mm (6M) |
| Manufacturing Process | Seamless |
| Surface Finish | Pickled, Polished, Electropolished (customizable) |
| Quality System | ISO9001 Certified Manufacturing |
| Applications | Cleanroom, Sanitary, Pharmaceutical, Food & Beverage |
Rigorous Quality Control
At Hemaokang Steel, quality is integrated into every stage of production. Incoming raw materials are inspected to confirm their chemical composition and grade before processing. During manufacturing, we conduct dimensional checks, visual surface inspection, and optional non-destructive testing to detect any subsurface defects. Each pair of pipes is then cleaned, marked, and packed according to the requirements of the particular shipment. We provide material test certificates and inspection reports with each order, enabling complete traceability and supporting your own quality assurance documentation. Our process is designed not only to meet but to anticipate the needs of demanding cleanroom projects.
Typical Applications
This seamless pipe is widely used in pharmaceutical and biotech facilities for purified water (PW), water for injection (WFI), clean steam distribution, and sanitary process lines. It is equally suitable for semiconductor plants that require ultrapure chemical delivery, as well as food and beverage plants that need hygienic piping. The combination of seamless integrity and 304 stainless steel composition provides broad corrosion resistance across various pH levels and cleaning agents, ensuring reliable operation in even the most stringent environments.
Frequently Asked Questions
Q1: What are the dimensions of this pipe?
A: The pipe has an outer diameter of 25.4mm and a standard length of 6 meters. Custom cutting and special lengths are available upon request.
Q2: Is the pipe suitable for cleanroom and pharmaceutical applications?
A: Yes, it is specifically designed for cleanroom and sanitary piping systems. The seamless structure and smooth surface help minimize contamination and allow easy cleaning and sterilization.
Q3: What surface finishes do you offer?
A: We offer pickled, polished, and electropolished finishes. The required surface roughness (Ra) can be customized to match your process needs, typically from 0.4 μm to 0.8 μm.
Q4: Can you provide material certification and test reports?
A: Yes, we supply material test certificates, chemical composition reports, and inspection documentation with each batch to ensure full traceability and compliance.
Q5: What is the minimum order quantity?
A: Our MOQ is flexible and depends on the product specification and packaging requirements. For standard 304 seamless pipes, small trial orders are welcome. Please contact us for details.
Q6: How long is the lead time?
A: Standard sizes usually ship within 15 to 30 days after confirmation. Larger orders or customized surface treatments may require additional time, which we will clearly communicate during quoting.
Q7: Can you export to our country?
A: Absolutely. Our products are exported to North America, South America, Europe, Southeast Asia, Africa, Oceania, the Middle East, and many other regions. Our main port of shipment is Qingdao, China, ensuring convenient logistics.
Q8: What is the price and delivery term?
A: Pricing depends on the specific finish, quantity, and current raw material costs. We provide transparent quotations with flexible payment terms and support CIF, FOB, and other delivery terms. Contact us for a detailed quote.
As a manufacturer with 51–100 employees and an annual export value of US$50 million to US$100 million, Hemaokang Steel is committed to providing reliable stainless steel solutions to customers around the globe. Our ISO9001 certification, rigorous quality control, and dedicated export experience make us a dependable partner for your cleanroom piping project. We invite you to contact us for more information, request samples, or discuss your custom requirements with our engineering team. Choose Hemaokang Steel for precision, purity, and peace of mind.
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