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As a leading manufacturer based in Wuxi, China, Wuxi Yansheng Technology Co., Ltd. specializes in the production of high-quality Bright Annealed Stainless Steel Heat Exchange Tubes. Our tubes are engineered for superior thermal conductivity, corrosion resistance, and durability, making them ideal for heat exchangers, condensers, and other critical thermal systems. With a factory spanning 1,000–3,000 square meters and a dedicated team of 101–200 employees, we ensure precision manufacturing and strict quality control for every product.
Our Bright Annealed Stainless Steel Heat Exchange Tube undergoes a specialized bright annealing process in a controlled atmosphere furnace, resulting in a clean, bright surface with excellent oxidation resistance and improved mechanical properties. This process eliminates the need for additional pickling or passivation, reducing processing time and cost for our clients. The tubes are available in various grades including 304, 304L, 316, 316L, and other stainless steel alloys, with customizable dimensions to meet specific project requirements.
Key features include:
- Exceptional Corrosion Resistance: Ideal for harsh environments, including chemical processing, power generation, and marine applications.
- Enhanced Heat Transfer Efficiency: Bright annealed surface reduces fouling and improves heat exchange performance.
- High Strength and Durability: Suitable for high-pressure and high-temperature operations.
- Clean and Smooth Surface: No surface defects, ensuring long service life and easy maintenance.
- Customizable Specifications: Outer diameter, wall thickness, and length can be tailored to your engineering drawings.
Technical Specifications:
| Parameter | Range / Options |
|---|---|
| Material Grades | 304, 304L, 316, 316L, 321, 310S, etc. |
| Outer Diameter (OD) | 6 mm – 219 mm (customizable) |
| Wall Thickness (WT) | 0.5 mm – 8 mm (customizable) |
| Length | Up to 18 meters (customizable) |
| Surface Finish | Bright Annealed (Ra ≤ 0.8 μm) |
| Applicable Standards | ASTM A213, ASTM A269, ASME SA213, EN 10216-5, etc. |
Our manufacturing process ensures strict adherence to international standards, and each tube is subjected to rigorous testing including hydrostatic pressure test, eddy current test, and dimensional inspection. This guarantees that you receive products that perform reliably under extreme conditions.
Why Choose Wuxi Yansheng Technology?
- Established in 2017, we have grown rapidly with an annual export value of US$50 million – US$100 million, serving clients across North America, South America, Europe, Asia, Oceania, Africa, and the Middle East.
- Our factory is equipped with advanced production lines and quality inspection equipment, ensuring consistent product quality.
- We hold multiple certifications including ISO9001, ISO14001, OHSAS18001, HACCP, SA8000, and more, reflecting our commitment to quality, environment, safety, and social responsibility.
- We offer flexible shipping options from major ports such as Tianjin, Shanghai, Qingdao, and Ningbo, ensuring timely delivery worldwide.
- Our experienced R&D team can provide technical support and custom solutions for your specific heat exchanger or condenser applications.
We are confident that our Bright Annealed Stainless Steel Heat Exchange Tubes will meet your highest expectations. Contact us today for a quote or to discuss your project requirements. Our sales team is ready to assist you with competitive pricing, fast delivery, and professional service.
Frequently Asked Questions (FAQ)
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Q: What is the difference between bright annealed and annealed stainless steel tubes?
A: Bright annealing is performed in a controlled atmosphere (e.g., hydrogen or nitrogen) which prevents oxidation, resulting in a clean, bright surface without scale. Conventional annealing may require additional pickling to remove oxide layer. Bright annealed tubes offer better surface finish and corrosion resistance. -
Q: Can you provide tubes with custom lengths and diameters?
A: Yes, we offer full customization including outer diameter, wall thickness, and length. Please provide your exact specifications or drawings, and we will produce accordingly. -
Q: What stainless steel grades do you recommend for high-temperature heat exchangers?
A: For high-temperature applications, grades like 321H, 310S, or 316L are commonly used. Our technical team can recommend the best grade based on your operating temperature, pressure, and medium. -
Q: How do you ensure the quality of the tubes?
A: We conduct 100% dimensional inspection, hydrostatic pressure testing, and eddy current testing on each tube. Our quality management system is ISO9001 certified, and we also follow strict internal procedures. -
Q: Do you supply samples for testing?
A: Yes, we can provide small samples for evaluation. Sample costs and shipping charges will be discussed. For bulk orders, sample fee may be refundable. -
Q: What are your typical lead times?
A: Lead time depends on order quantity and specifications. Standard sizes usually ship within 15–20 days after order confirmation. Custom orders may take 25–35 days. -
Q: Can you provide certificates of material and test reports?
A: Yes, we provide mill test certificates (MTC) and inspection reports upon request, including chemical composition and mechanical properties.
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