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ASTM A270 TP304 austenitic stainless steel seamless pipe conforms to the American Society for Testing and Materials (ASTM) A270/A270M standards. It is an 18-8 type stainless steel, with a seamless structure achieved through hot rolling/cold drawing, resulting in a weld-free, high-pressure-resistant, and high-strength finish.
The pipe ends are precision CNC threaded, ensuring high accuracy and concentricity. They can be directly and quickly screwed onto standard fittings, valves, and connectors, achieving a tight seal without welding. The pipes are replaceable, leak-proof, and pressure-resistant.
TP304 material offers excellent corrosion resistance, is hygienic and non-toxic, easy to clean, and has a smooth inner wall. It meets 3-A and FDA hygiene requirements, is resistant to high-temperature steam sterilization, and is compatible with CIP/SIP cleanroom systems.
Widely used in food and beverage, pharmaceutical, bioengineering, clean fluid, water supply and drainage, and chemical piping industries, it is an ideal pipe material for sanitary and industrial-grade threaded connections.
Chemical Composition
Element
Composition (wt%)
Carbon (C)
≤ 0.08
Manganese (Mn)
≤ 2.00
Silicon (Si)
≤ 1.00
Phosphorus (P)
≤ 0.045
Sulfur (S)
≤ 0.030
Chromium (Cr)
18.0 – 20.0
Nickel (Ni)
8.0 – 11.0
Iron (Fe)
Balance
Mechanical Properties
Property
Minimum Requirement
Tensile Strength
≥ 515 MPa (75 ksi)
Yield Strength (0.2% offset)
≥ 205 MPa (30 ksi)
Elongation (in 2 in / 50 mm)
≥ 35%
Hardness (Rockwell B)
≤ 90 HRB
Application
Food and Beverage, Dairy Processing, Beverage Production
Water Systems: Primarily used for high-purity and injectable water.
Process and Production: Used in aseptic filling lines, bioreactors, pharmaceutical transfer systems, and fermentation systems; its smooth inner walls prevent material residue and cross-contamination.
Cosmetics and Fine Chemicals: Used in the production and delivery pipelines of high-end skincare products, toners, lotions, etc.
Process Piping: Used in oil refining, fertilizer, papermaking, and petrochemical industries requiring low corrosivity fluids.
Other General Industries, General Fluid Transportation: Used for tap water, chloride-free water and gas, cooling water circulation systems, and low-pressure steam pipelines.
Manufacturing and System Components: Used in hydraulic systems and heat exchanger tube bundles.
Yuhong Group is one of the large scale group company in China, more than 35 years experience in the international market, providing high-quality services to over 3000 customers, end user which like Aramco, Petrobras, Pemex, Petronas, Ecopetro, Petroecuador, …. till now Yuhong Grou...
Yuhong Group is one of the large scale group company in China, more than 35 years experience in the international market, providing high-quality services to over 3000 customers, end user which like Aramco, Petrobras, Pemex, Petronas, Ecopetro, Petroecuador, …. till now Yuhong Grou...
