ASTM A269 Austenitic Stainless Steel Tubing
- Grade: TP304/304L, TP316/316L, TP317, TP321, TP347, TP348, S31254, S30600, S32654, N08904
- Tube OD: 4-127mm
- Tube WT: 0.4-12.7mm
- Length: 1000-12000mm
- Type: Seamless & Welded
ASTM A269 Seamless and Welded Austenitic Stainless Steel Tubing for General Service
Golden Sunbird Metals offers high-quality ASTM A269 austenitic stainless steel tubing for a wide range of industrial, commercial, and sanitary applications. Known for its excellent corrosion resistance, smooth internal finish, and reliable mechanical properties, ASTM A269 tubing is widely used in instrumentation systems, fluid transport, heat exchangers, food processing equipment, chemical plants, and pharmaceutical installations. Manufactured to meet strict dimensional and performance requirements, this austenitic stainless steel tubing provides outstanding formability, weldability, and long service life in demanding environments. At Golden Sunbird Metals, we supply ASTM A269 stainless steel tubing in various grades, sizes, and wall thicknesses to support standard and custom project needs. Whether your application requires precision tubing for critical flow control or durable tubing for corrosive service conditions, our products are designed to deliver consistent quality and dependable performance. Contact Golden Sunbird Metals for premium ASTM A269 austenitic stainless steel tubing tailored to your specifications.
ASTM A269 Austenitic Stainless Steel Tubing Chemical Composition (wt.%)
| Grade | UNS | C, max (%) | Mn, max (%) | Si, max (%) | P, max (%) | S, max (%) | Cr (%) | Ni (%) | Mo (%) | N (%) |
| TP304 | S30400 | 0.08 | 2 | 0.75 | 0.045 | 0.03 | 18.0-20.0 | 8.0-11.0 | – | – |
| TP304L | S30403 | 0.03 | 2 | 0.75 | 0.045 | 0.03 | 18.0-20.0 | 8.0-12.0 | – | – |
| TP316 | S31600 | 0.08 | 2 | 0.75 | 0.045 | 0.03 | 16.0-18.0 | 10.0-14.0 | 2.0-3.0 | – |
| TP316L | S31603 | 0.03 | 2 | 0.75 | 0.045 | 0.03 | 16.0-18.0 | 10.0-14.0 | 2.0-3.0 | – |
| TP317 | S31700 | 0.08 | 2 | 0.75 | 0.045 | 0.03 | 18.0-20.0 | 11.0-15.0 | 3.0-4.0 | – |
| TP321 | S32100 | 0.08 | 2 | 0.75 | 0.045 | 0.03 | 17.0-19.0 | 9.0-12.0 | – | – |
| TP347 | S34700 | 0.08 | 2 | 0.75 | 0.045 | 0.03 | 17.0-19.0 | 9.0-13.0 | – | – |
| TP348 | S34800 | 0.08 | 2 | 0.75 | 0.045 | 0.03 | 17.0-19.0 | 9.0-13.0 | – | – |
| S31254 | S31254 | 0.02 | 1 | 0.8 | 0.03 | 0.01 | 19.5-20.5 | 17.5-18.5 | 6.0-6.5 | 0.18-0.25 |
| S30600 | S30600 | 0.08 | 2 | 1 | 0.045 | 0.03 | 23.0-25.0 | 19.0-21.0 | 4.0-5.0 | – |
| S32654 | S32654 | 0.02 | 1 | 0.8 | 0.03 | 0.01 | 24.0-26.0 | 24.0-26.0 | 7.0-8.0 | 0.35-0.55 |
| N08904 | N08904 | 0.02 | 2 | 1 | 0.045 | 0.035 | 19.0-23.0 | 23.0-28.0 | 4.5-5.5 | 0.10-0.15 |
ASTM A269 Austenitic Stainless Steel Tubing Mechanical Properties
| Grade | UNS | Yield Strength, min (MPa) | Tensile Strength, min (MPa) | Elongation, min (%) |
| TP304 | S30400 | 205 | 515 | 40 |
| TP304L | S30403 | 170 | 485 | 40 |
| TP316 | S31600 | 205 | 515 | 40 |
| TP316L | S31603 | 170 | 485 | 40 |
| TP317 | S31700 | 205 | 515 | 40 |
| TP321 | S32100 | 205 | 515 | 40 |
| TP347 | S34700 | 205 | 515 | 40 |
| TP348 | S34800 | 205 | 515 | 40 |
| S31254 | S31254 | 310 | 655 | 35 |
| S30600 | S30600 | 240 | 550 | 40 |
| S32654 | S32654 | 300 | 650 | 35 |
| N08904 | N08904 | 220 | 490 | 35 |
Features
- ASTM A269/A269M Seamless and Welded Austenitic Stainless Steel Tubing for General Service.
- Seamless or welded construction (hot-finished, cold-finished, or welded from strip) delivering versatility with no filler metal required for welded grades.
- Superior general corrosion resistance and suitability for both low- and high-temperature service across austenitic grades.
- Annealed delivery condition ensuring excellent ductility, formability, and optimal corrosion performance.
- Wide grade selection including TP304/304L, TP316/316L, TP317, TP321, TP347, TP348, and super-austenitic grades (S31254, S30600, S32654, N08904) with tailored mechanical properties (yield 170–310 MPa, tensile 485–655 MPa, elongation 35–40 %).
- Precise size range (OD 4–127 mm, WT 0.4–12.7 mm, lengths 1000–12000 mm) optimized for instrumentation, process tubing, and general service applications.
- Comprehensive testing (chemical analysis, tension, flaring, hydrostatic, air-underwater pressure, nondestructive electric tests) guaranteeing leak-tightness and reliable performance.
- EN 10204 Type 3.1 / 3.2 certification with full traceability and optional third-party inspection for critical service.
- Excellent fabricability including bending, flaring, and easy installation for custom tubing systems.
Technical Specifications
| Specification | Value |
| Standard | ASTM A269/A269M Seamless and Welded Austenitic Stainless Steel Tubing for General Service |
| Grade | TP304/304L, TP316/316L, TP317, TP321, TP347, TP348, S31254, S30600, S32654, N08904 |
| Manufacturing Process | Hot Finished, Cold Finished, Welded |
| Seam Type | Seamless, Welded |
| Dimension | Tube OD: 4-127mm Tube WT: 0.4-12.7mm |
| Length | 1000-12000mm |
| Delivery Condition | Annealed |
| Inspection Certificate | EN 10204 Type 3.1 (Mill Test Certificate), EN 10204 Type 3.2 (Witness Testing or 3rd Party Inspection) |
| Test | Chemical analysis, Tension tests, Flaring tests, Hydrostatic tests, Air underwater pressure tests, Nondestructive electric tests |
Applications
- Chemical, petrochemical, and pharmaceutical processing lines, tanks, pipelines, and equipment requiring high corrosion resistance and cleanliness.
- Food & beverage, dairy, and hygienic piping systems demanding sanitary performance and easy cleanability.
- Marine, offshore, and desalination plants using super-austenitic grades (e.g., S31254, S32654) for seawater and aggressive chloride environments.
- High-temperature service in aerospace, power generation, petroleum refining, and chemical processing (TP321, TP347, TP348 grades).
- Medical equipment, hospital devices, and pharmaceutical manufacturing lines benefiting from enhanced pitting and crevice corrosion resistance (TP316/316L).
- Oil & gas exploration, production tubing, and instrumentation where moderate-to-high corrosion resistance and strength are needed.
- Pulp & paper, pollution control, and highly corrosive industrial environments (TP317, N08904 grades).
- General low- and high-temperature corrosion-resisting tubing for fluid, gas, and process systems after proper qualification and installation.
