If you are looking for ASTM A213 and ASTM A269 stainless steel heat exchanger tubes in stock, Gnee is your trusted supplier. With a large ready inventory, strict quality standards, and global export experience, we provide buyers with reliable stainless steel tubes for heat exchangers, condensers, boilers, and chemical processing equipment.
What is ASTM A213 Heat Exchanger Tubes?
ASTM A213 is an ASTM International standard that specifies requirements for seamless ferritic and austenitic alloy steel tubes used in boilers, superheaters, and heat exchangers. Designed for high-pressure and high-temperature applications, the specification covers several material grades, including TP304, TP316L, and T22, and defines the manufacturing, testing, and quality standards for these seamless tubes.
What is ASTM A269 Heat Exchanger Tubes?
ASTM A269 heat exchanger tubes are seamless or welded austenitic stainless steel tubes designed to meet the American Society for Testing and Materials (ASTM) standard A269, which specifies general requirements for corrosion-resistant tubing for low or high-temperature services, including their use in heat exchangers.
ASTM A213 / A269 Heat Exchanger Tubes Specifications
| Standard | Grades Available | Outer Diameter (OD) | Wall Thickness | Length | Delivery Condition |
|---|---|---|---|---|---|
| ASTM A213 | 304, 304L, 316L, 321, 310S | 6 mm – 114 mm | 0.5 mm – 15 mm | Up to 24 m (customizable) | Bright Annealed / Cold Drawn / Solution Annealed |
| ASTM A269 | 304, 304L, 316L, 321 | 6 mm – 219 mm | 0.5 mm – 20 mm | Straight or U-Bend | Annealed / Pickled / Polished |
Applications of Heat Exchanger Tubes
Heat exchangers and condensers
Chemical and petrochemical plants
Boilers and superheaters
Marine and offshore equipment
Food and beverage industry
The global market demand for heat exchanger tubes is growing rapidly, especially in chemical, oil & gas, and power industries. To avoid production delays and rising prices, securing ASTM A213 / A269 stainless steel tubes in stock ensures immediate supply, cost savings, and project efficiency.
Why Choose Gnee Heat Exchanger Tubes?
✅ Large Stock Availability – ASTM A213 / A269 tubes available in grades 304, 304L, 316L, 321, etc.
✅ Certified Quality – All tubes meet ASTM, ASME, EN, and ISO standards with SGS, BV, and TUV inspection.
✅ Custom Processing – Cutting, bending, U-bending, polishing, and welded fabrication available.
✅ Global Delivery – Exported to more than 60 countries with fast 7–15 day shipping.
Our Products
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ASTM A213 / A269 Heat Exchanger Tubes
ASTM A213 / A269 U-bending Tubes
