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As a leading manufacturer, Wuxi Yansheng Technology Co., Ltd. specializes in producing high-performance ASTM A312 TP304 Stainless Steel Seamless Pipes. Since our establishment in 2017, we have leveraged our extensive factory facilities and rigorous quality management systems to deliver corrosion-resistant tubing solutions trusted by global clients across diverse industries. Our pipes are engineered to provide exceptional durability and reliability in demanding environments, ensuring long-term operational efficiency and cost savings for your projects.
Our TP304 seamless pipes are manufactured to meet the stringent requirements of ASTM A312 standards, guaranteeing consistent quality and performance. The inherent properties of TP304 stainless steel make these pipes an ideal choice for applications where corrosion resistance is paramount.
Key Product Features & Technical Advantages:
Superior Corrosion Resistance: The high chromium and nickel content in TP304 alloy provides excellent resistance to a wide range of corrosive media, including many organic and inorganic chemicals, making it suitable for harsh processing environments.
High-Temperature Strength: Maintains structural integrity and mechanical properties at elevated temperatures, ensuring reliable performance in heat exchange and high-temperature fluid transfer applications.
Hygienic & Cleanable Surface: The smooth, seamless interior surface minimizes scaling and bacterial adhesion, facilitating easy cleaning and sterilization. This is crucial for industries like food & beverage, pharmaceuticals, and biotechnology.
Excellent Formability & Weldability: TP304 stainless steel offers good ductility, allowing for bending, flaring, and other forming operations without compromising its corrosion resistance. It also exhibits excellent weldability using common techniques.
Long Service Life & Low Maintenance: The durability of the material translates to a significantly extended service life compared to ordinary steel pipes, reducing the frequency and cost of replacements and maintenance downtime.
Detailed Technical Specifications:
The table below outlines some of the standard specifications for our ASTM A312 TP304 Seamless Pipes. Custom dimensions and specifications are available upon request.
| Parameter | Specification / Typical Value |
|---|---|
| Standard | ASTM A312, ASTM A213 |
| Material Grade | TP304 (UNS S30400) |
| Outside Diameter (OD) Range | 1/8" to 24" (Customizable) |
| Wall Thickness (Schedule) | SCH 5S, 10S, 40S, 80S, etc. |
| Length | Random lengths (6m, 12m) or cut-to-length |
| Surface Finish | Pickled, Bright Annealed, Polished (180-600 grit) |
| Key Chemical Composition | Cr: 18-20%, Ni: 8-10.5%, C: ≤0.08% |
| Tensile Strength | ≥515 MPa (75 ksi) min |
| Yield Strength | ≥205 MPa (30 ksi) min |
Primary Application Fields:
Our corrosion-resistant seamless tubing is extensively used in:
Chemical & Petrochemical Processing: For transporting corrosive fluids, acids, alkalis, and solvents.
Food, Beverage & Dairy Industry: In processing lines, brewers, and sanitary fluid transfer systems.
Pharmaceutical & Biotechnology: For high-purity water systems, process piping, and fermentation tanks.
Oil & Gas: In upstream and midstream applications requiring corrosion resistance.
Power Generation: For boiler tubes, heat exchangers, and condenser tubes.
Pulp & Paper Industry: In bleaching and chemical recovery sections.
With an annual export value ranging between US$50 Million to US$100 Million and a workforce of 101-200 dedicated professionals, Wuxi Yansheng Technology has established itself as a reliable partner in the global market. Our products reach key regions including North America, Europe, Southeast Asia, and beyond through major ports like Shanghai and Tianjin. Backed by a robust portfolio of management certifications including ISO 9001, ISO 14001, and OHSAS 18001, our manufacturing processes are designed for consistency, safety, and environmental responsibility. Choose our ASTM A312 TP304 Seamless Pipes for a solution that combines proven material performance with manufacturing excellence, ensuring your systems operate flawlessly under pressure. Contact us today to discuss your specific requirements and receive a competitive quotation.
Frequently Asked Questions (FAQ)
Q: What is the main difference between TP304 and 304L stainless steel for pipes?
A: The primary difference is the carbon content. TP304 has a maximum carbon content of 0.08%, while 304L has a maximum of 0.03%. The lower carbon in 304L minimizes carbide precipitation during welding, enhancing its suitability for welded constructions where intergranular corrosion is a concern. TP304 is generally more readily available and cost-effective for many applications.Q: Can your seamless pipes withstand high-pressure applications?
A> Yes, our ASTM A312 TP304 seamless pipes are manufactured to withstand high pressures. The specific pressure rating depends on the pipe's schedule (wall thickness) and size. We can provide pipes in schedules like 40, 80, and 160, which are designed for high-pressure service. Please provide your operating pressure and temperature for a precise recommendation.Q: Do you offer these pipes in polished finishes for sanitary applications?
A: Absolutely. We offer various surface finishes, including mechanically polished (e.g., 180-grit, 320-grit) and electropolished finishes to meet the stringent hygiene and cleanability requirements of the food, pharmaceutical, and semiconductor industries. The interior surface can also be polished.Q: What are the available packaging options to prevent damage during shipping?
A: We use multiple protective packaging methods. Standard packaging includes plastic end caps, waterproof wrapping, and secure bundling with steel straps on wooden skids or in wooden crates. For polished surfaces, we use additional protective films or sleeves to prevent scratches.Q: How does the corrosion resistance of TP304 compare to other grades like 316?
A: TP304 offers excellent general corrosion resistance. Grade 316 contains molybdenum (2-3%), which significantly improves its resistance to pitting and crevice corrosion in chloride-containing environments (e.g., seawater, salt). For most standard chemical and food processing applications, TP304 is sufficient and more economical. We can advise on the best material for your specific service environment.Q: Can you provide custom-cut lengths or non-standard diameters?
A: Yes, customization is one of our strengths. We can cut pipes to your exact specified lengths. We also have the capability to produce pipes with outside diameters and wall thicknesses outside the standard range, subject to feasibility checks. Please share your detailed requirements.Q: What documentation accompanies your shipments?
A: With each shipment, we provide a comprehensive Mill Test Certificate (MTC) or Material Test Report (MTR) that includes chemical composition analysis, mechanical property tests, hydrostatic test results, and heat number traceability. Other documents like commercial invoice, packing list, and certificate of origin are also provided.Q: What is your typical lead time for an order?
A> Lead time depends on the order quantity, specifications, and our current production schedule. For standard sizes and finishes, we often have ready stock or can produce within 15-30 days. For large custom orders, we will provide a detailed production schedule upon order confirmation.
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