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As a leading manufacturer with a modern facility in Wuxi, Wuxi Yansheng Technology Co., Ltd. specializes in producing precision-engineered stainless steel tubing solutions for critical applications. Our 304/316 EP/BA Stainless Steel Tubes are meticulously crafted to meet the stringent demands of high-purity fluid transfer systems, where reliability and contamination control are paramount. Leveraging our expertise since 2017 and a robust export footprint, we deliver tubing that ensures superior performance, exceptional surface quality, and long-term durability for your most sensitive processes.
Our tubing is designed to provide a flawless conduit for ultra-pure liquids and gases, making it an ideal choice for industries where even microscopic imperfections can lead to significant operational issues. We combine advanced manufacturing techniques with rigorous quality control to offer a product that stands up to the challenges of modern high-tech and hygienic applications.
Key Product Features & Technical Specifications:
Superior Material Integrity: Fabricated from premium 304 or 316 stainless steel, offering excellent corrosion resistance and mechanical strength suitable for a wide range of fluids and environments.
Advanced Surface Finishes: Available in Electropolished (EP) or Bright Annealed (BA) finishes. The EP process creates an ultra-smooth, passive oxide layer that minimizes particulate adhesion and enhances cleanability, while BA offers a bright, clean surface ideal for visual inspection and specific hygienic requirements.
Precision Manufacturing: Our tubes are produced to tight tolerances, ensuring consistent inner diameters and wall thicknesses for reliable flow characteristics and system pressure ratings.
Designed for Cleanability: The smooth internal surface significantly reduces the risk of bacterial growth, biofilm formation, and product entrapment, which is critical for pharmaceutical, biotech, and food & beverage applications.
Versatile Configuration: We offer both welded and seamless options, with customizable end preparations (e.g., beveled, squared) to facilitate easy and secure installation into your system.
Detailed Technical Parameters:
| Parameter | Specification / Typical Value |
|---|---|
| Primary Material Grades | AISI 304, AISI 316 / 316L |
| Standard Specifications | ASTM A269 (Seamless & Welded), ASTM A270 (Sanitary Tubing), or equivalent standards available upon request |
| Common Outer Diameter (OD) Range | From 1/4" (6.35mm) to 4" (101.6mm) – Custom sizes available |
| Wall Thickness (Schedule) | Schedule 5S, 10S, 40S, or customized to meet pressure requirements |
| Surface Roughness (Ra) - EP Finish | Typically ≤ 20 µin (0.5 µm) or better, customizable |
| Common Applications | Pharmaceutical WFI/SWFI lines, Bioprocessing, Semiconductor ultrapure water, Food & Dairy processing, Cosmetic manufacturing |
| Packaging | Individual plastic end caps, poly-wrapped, in sturdy wooden crates for export protection |
Benefits for Your Operations:
Enhanced System Reliability: Reduces the risk of leaks, corrosion failures, and contamination events, leading to higher uptime and reduced maintenance costs.
Compliance Support: The product is manufactured under a quality management system, supporting your validation efforts for regulated industries.
Optimized Fluid Purity: Maintains the integrity of high-value process fluids from source to point of use, protecting product quality.
Long-Term Cost Efficiency: The durability and cleanability of our tubes contribute to lower total cost of ownership through extended service life and reduced cleaning cycles.
Frequently Asked Questions (FAQ):
Q: What is the main difference between Electropolished (EP) and Bright Annealed (BA) finish?
A: Electropolishing is an electrochemical process that removes a thin layer of surface material, resulting in an ultra-smooth, microscopically clean surface with enhanced corrosion resistance. Bright Annealing is a heat treatment process performed in a controlled atmosphere that prevents surface oxidation, leaving a bright, clean finish without the need for acid pickling. EP is often preferred for the highest purity applications, while BA is valued for its visual appeal and cost-effectiveness.Q: When should I choose 316/316L over 304 stainless steel for my tubing?
A: 316/L stainless steel contains molybdenum, which provides superior resistance to chlorides and other aggressive chemicals compared to 304. It is the recommended choice for applications involving saltwater, certain process chemicals, or in coastal environments to prevent pitting corrosion.Q: Can you provide tubing that meets specific industry standards like ASME BPE or 3-A?
A: Yes, we can manufacture tubing to meet various industry-specific standards, including ASME BPE (Bioprocessing Equipment) and 3-A Sanitary Standards. Please provide your detailed specification requirements during inquiry.Q: What information do I need to provide to get an accurate quote for custom tubing?
A: To facilitate a precise quotation, please provide the material grade (304 or 316), desired finish (EP or BA), outer diameter, wall thickness (or schedule), required length, any applicable standard (e.g., ASTM A269), and the intended application.Q: How do you ensure the cleanliness of the tubes for high-purity applications?
A: Our manufacturing and handling processes are designed to minimize contamination. Tubes are cleaned, protected with end caps, and packaged in a clean environment. Specific cleanliness validation, such as particle count testing or passivation, can be performed upon request.Q: Do you offer value-added services like cutting, bending, or welding of fittings?
A: Yes, we offer a range of fabrication services. We can provide tubes cut to your exact lengths, and we have the capability to supply pre-fabricated sections with welded fittings based on your provided drawings or specifications.Q: What are the available shipping terms and lead times?
A: We operate on standard international trade terms (FOB, CIF, etc.) and ship from major ports like Shanghai, Ningbo, or Tianjin. Lead times vary based on order complexity and quantity but are typically competitive. We provide a firm schedule upon order confirmation.
Backed by our established manufacturing capabilities in a 1,000-3,000 square meter facility and supported by a dedicated team of 101-200 professionals, Wuxi Yansheng Technology is committed to delivering high-performance stainless steel tubing you can trust. Our significant annual export volume to global markets, including North America, Europe, and Southeast Asia, is a testament to the consistent quality and reliability of our products. We invite you to experience the difference that precision-engineered, application-specific tubing can make in your high-purity fluid systems. Contact us today to discuss your project requirements and receive a detailed proposal.
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