If you are looking for high-purity, precision stainless steel bright annealed tubes for heat exchangers, boilers, condensers, or high-pressure fluid systems, GNEE provides a full range of ASTM A269, A249, and A213 compliant tubing with mirror-smooth internal surfaces, excellent corrosion resistance, and superior high-temperature stability. Designed for industries where cleanliness and efficiency matter, our BA tubes deliver long-term reliable performance and are available from stock with global delivery.
Applicable Standards & Available Grades
| Standard | Description | Typical Grades | Applications |
|---|---|---|---|
| ASTM A269 | Seamless/Welded Austenitic Stainless Steel Tubing | 304/304L, 316/316L | General heat exchanger, fluid transport |
| ASTM A249 | Welded Tubes for Boiler, Heat Exchanger, Condenser | 304L, 316L | Boilers, condensers, coolers |
| ASTM A213 | Seamless Ferritic–Austenitic Heat Exchanger Tubes | 304, 316, 321 | High-temperature heat exchangers |
ASTM A213 / A269 / A249 Bright Annealed Stainless Steel Tubes Specification
| Item | Specification |
|---|---|
| Outer Diameter | 6 mm – 219 mm (¼" – 8") |
| Wall Thickness | 0.5 – 3.0 mm |
| Length | 6 m / 12 m / custom cut |
| Finish | Bright Annealed (BA), Pickled (AP), Polished |
| Straightness | ≤ 0.8 mm / m |
| Tolerance | ASTM A269 / A249 / A213 compliant |
| Pressure Rating | Up to 6000 psi depending on size |
| Certificates | MTC 3.1, ISO 9001, ISO 14001, SGS / BV Inspection |
Equivalent materials of 304 and 316 stainless steel
| Standard | Grades | ||||
| UNS | S31603 | S31600 | S30400 | S30403 | S32100 |
| ASTM/ANSI | TP316L | TP316 | TP304 | TP304L | TP321 |
| EN | 1.4404 | 1.4401 | 1.4301 | 1.4306 | 1.4541 |
| JIS | SUS316L | SUS316 | SUS304 | SUS304L | SUS321 |
| GB | S31603 | S31608 | S30408 | S30403 | S32168 |
Chemical Composition:
| Grades | UNS | C | Mn | P | S | Si | Cr | Ni | Mo |
| SS304 | S30400 | 0.08 | 2 | 0.045 | 0.03 | 1 | 18-20 | 8-11 | - |
| SS304L | S30403 | 0.035 | 2 | 0.045 | 0.03 | 1 | 18-20 | 8-13 | - |
| SS316 | S31600 | 0.08 | 2 | 0.045 | 0.03 | 1 | 16-18 | 11-14 | 2-3 |
| SS316L | S31603 | 0.035 | 2 | 0.045 | 0.03 | 1 | 16-18 | 10-14 | 2-3 |
Mechanical Properties:
| Material |
Heat Treatment |
Temperure, Min. | Tensile Strength, Min. | Yield Strength, Min. | Elongation, Min |
| SS304 | Solution | 1900 º F (1040 º C) | 75 Ksi (515 Mpa) | 30 Ksi(205 Mpa) | 35 % |
| SS304L | 70 Ksi (485 Mpa) | 25 Ksi(170 Mpa) | |||
| SS316 | 75 Ksi (515 Mpa) | 30 Ksi(205 Mpa) | |||
| SS316L | 70 Ksi (485 Mpa) | 25 Ksi(170 Mpa) |
Applications:
Petroleum Industry
Food Industry
Chemical Industry
Paper and Pulp Plant
Fertilizer Industry
Gas and Oil Plants
Pressure and Heat Transmission
Construction and Ornament
Boilers & Heat Exchangers
Medical Equipments
Building Materials
Market Analysis & Price Trend (High-Purity Tubing)
Due to rising demand in heat exchanger manufacturing, industrial cooling systems, and petrochemical processing, the price of BA stainless steel tubing remains firm.
ASTM A213 / A269 / A249 Stainless Steel Tubes pricing:
Current Market Price: USD 4.20 – 6.80 per kg
Price varies by grade (304/316L/321), diameter, BA finish level, and order quantity.Bulk orders > 5 tons qualify for additional discounts. In the current stable-but-rising alloy surcharge environment, early purchasing is recommended to secure lower prices.
If you have project requirements for 304 or 316L stainless steel pipes, please feel free to place an order. GNEE has a large inventory of popular products for your selection. They can be processed into both seamless and welded forms. For detailed chemical composition and free samples, please contact our factory immediately. We offer competitive prices and excellent service.
Packaged with waterproof paper and steel strapping, meeting standard export sea freight packaging requirements, suitable for various shipping methods, or customized according to customer requirements.
