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Inox Steel India supplies ASTM A269 Stainless Steel Tubes in grades TP304, TP304L, TP316 and TP316L, engineered for applications requiring high cleanliness, dimensional precision, corrosion resistance, and smooth internal surfaces. Manufactured using cold-drawn and bright annealed processes, these tubes are widely used in instrumentation systems, chemical & process plants, pharmaceuticals, food & beverage, dairy, hydraulic lines, and heat exchangers.
A269 tubes are designed for industries where precise flow control, contamination-free transfer, and excellent weldability are essential. The bright annealed finish ensures a clean, smooth ID/OD surface, making the tubes ideal for high-purity media, corrosive chemicals, gases, oils, and steam applications.
✔ Grades Offered
These tubes are produced through cold drawing, bright annealing, solution annealing, and strict surface inspection to meet the quality standards required for instrumentation, process tubing, and industrial fluid handling.
Our ASTM A269 tubes are supplied to:
Inox Steel India exports A269 tubes globally to the Middle East, Europe, Africa, South-East Asia, and North America—delivering consistent quality, zero-defect finishing, and complete documentation for traceability.
| Parameter | ASTM A269 Stainless Steel Tubes |
|---|---|
| Standard | ASTM A269 — Seamless & Welded Austenitic Stainless Steel Tubing for General Service |
| Grades Available | TP304, TP304L, TP316, TP316L |
| Material Class | Austenitic Stainless Steel |
| Manufacturing Process | Seamless / Welded • Bright Annealed (BA) • Cold Drawn • Solution Annealed |
| Size Range (OD) | 1.6 mm to 101.6 mm |
| Thickness (WT) | 0.20 mm to 6.35 mm |
| Length Options | 6m • 12m • Coiled Tubes • Cut Length |
| Surface Finish | BA (Bright Annealed) • Mechanical Polish • Annealed & Pickled |
| Tolerances | Tight OD/WT tolerances (instrumentation-grade) |
| Corrosion Resistance | High resistance to oxidation, chlorides (316/316L superior) |
| Mechanical Strength | Tensile: 515–620 MPa • Yield: 205–310 MPa |
| Heat Treatment | Bright Annealed • Solution Annealed |
| End Finish | Plain Ends • BE / Square Cut • Deburred Ends |
| Mandatory Testing | Eddy Current • Hydrostatic • Hardness • Tensile Test |
| Special Testing | IGC Test • PMI • UT • Surface Roughness • BA Quality Validation |
| Documentation | MTC EN 10204 3.1 • Chemical & Mechanical Reports • NDT Reports |
| Key Grade Benefits | 304/304L: General corrosion resistance • 316/316L: Superior chloride resistance + clean fluid transfer |
| Typical Applications | Instrumentation Lines • Hydraulic Lines • Heat Exchangers • Chemical Processing • Dairy • Pharma • Food Systems |
ASTM A269 tubes are manufactured for instrumentation, chemical processing, high-purity fluid systems, hydraulic circuits, and general industrial applications where smooth internal surfaces and corrosion resistance are critical.
Their bright annealed (BA) finish, tight tolerances, and stable metallurgy make them suitable for clean-flow, precision-control, and corrosive chemical environments.
🔹 1. Instrumentation & Control Systems
High precision + tight OD/WT tolerance = ideal for measurement accuracy.
Applications:
Best Grades: TP316L • TP304L
🔹 2. Chemical & Process Industries
A269 tubing ensures safe transfer of corrosive media.
Used For:
Recommended: TP316 / TP316L
🔹 3. Pharmaceutical, Food & Dairy
Bright annealed tubes prevent contamination & support hygienic flow.
Applications:
Suitable Grades: TP316L (pharma-grade)
🔹 4. Heat Exchangers & Condensers
A269 tubes are widely used where corrosion resistance + heat transfer are needed.
Used In:
Best Grades: TP304L or TP316L
🔹 5. Automotive & Hydraulic Systems
Excellent for precision bending & vibration resistance.
Applications:
Recommended: TP304 / TP316
🔹 6. Gas, Oil & Petrochemical
Corrosion-resistant tubing for medium-pressure circuits.
Used For:
Best Grades: TP316L
| Application | Recommended Grade | Why |
|---|---|---|
| Instrumentation lines | 316L | Best clean fluid transfer + chloride resistance |
| Chemical & corrosive fluids | 316 / 316L | Strong resistance to chlorides & chemicals |
| General industrial service | 304 / 304L | Economical & versatile |
| Food, dairy & pharma | 316L | Hygienic + smooth BA surface |
| Heat exchangers | 304L / 316L | Thermal stability + corrosion protection |
| Precise bending applications | 304L / 316L | Good ductility & formability |
| Type | OD Range | WT Range | Use |
|---|---|---|---|
| Instrumentation Tubes | 3.18 – 25.4 mm | 0.5 – 2.11 mm | Control & impulse lines |
| General Tubing | 6 – 101.6 mm | 0.5 – 6.35 mm | Chemical, process lines |
| Coiled Tubes | 1.6 – 12.7 mm | 0.3 – 1.5 mm | Pharma, gas, hydraulic |
(Custom OD/WT & U-bent tubes available.)
(Prices vary by OD, WT, finish, BA quality & origin)
| Grade | Price Range (₹/kg) |
|---|---|
| TP304 / TP304L | ₹320 – ₹480 |
| TP316 / TP316L | ₹380 – ₹620 |
| BA (Bright Annealed) Tubes | +10–20% premium |
Mandatory Tests as per ASTM A269
Special Tests (As Required by Industry)
Documentation Provided
Inox Steel India is a trusted supplier of ASTM A269 TP304 / TP316L stainless steel tubes used in instrumentation, chemical processing, pharma, food & beverage, and heat exchanger applications. Our tubes are manufactured with bright annealed (BA) processing, precision cold drawing, and strict dimensional control to ensure clean flow, high corrosion resistance, and zero-defect performance.
✔ Why Our ASTM A269 Tubes Are Preferred
Backed by precision manufacturing and global supply capability, we are the preferred source for high-purity stainless steel tubing.
| Industry | Applications |
|---|---|
| Instrumentation & Control | Impulse lines, gauge lines, panel tubing |
| Chemical Processing | Acidic & corrosive fluid transfer |
| Pharma & Food/Beverage | Clean/purified water systems, CIP/SIP |
| Dairy & Brewing | Hygienic flow systems |
| Automotive | Hydraulic & fuel lines |
| Oil & Gas | Utility lines, gas distribution |
| Heat Exchanger OEMs | Condensers, cooling coils |
These tubes ensure reliable performance in hygienic, corrosive, high-purity and precision fluid systems.
We export ASTM A269 tubes to 45+ countries, ensuring damage-free, contamination-free and corrosion-safe delivery.
Export Packaging Includes:
Major Export Destinations:
UAE • Saudi Arabia • Qatar • Oman • Kuwait
Singapore • Malaysia • Vietnam
South Africa • Kenya • Nigeria
Europe • USA • Canada
We assist with:
✔ Grade selection 304 vs 316L
✔ Bright Annealed vs AP finish comparison
✔ Instrumentation tube sizing
✔ Coil tube applications
✔ Project-based pricing & documentation
52-A, Mulji Thackersi Bldg, Islampura Street, Shop No. 10, Near Alankar Cinema, Mumbai – 400 004
steel@inoxsteelindia.in
+91 9930796690
A269 = instrumentation/hydraulic & polished tubes
A249 = heat exchanger tubes (BA welded)
Yes — 316L is the leading grade for chemical & marine instrumentation.
Yes — dimensional tolerance & ovality strictly controlled.
Yes — 180–400 grit polish available.
Hydro, Eddy Current, Weld Integrity, Flattening, Flare/Flange, PMI & Ra value checks.
Inox Steel India supplies ASTM A269 stainless steel tubes in TP304, TP304L, TP316 and TP316L. Bright annealed, corrosion-resistant tubing for instrumentation, chemical, pharma and heat exchanger applications. Available in coils, seamless & welded with MTC 3.1.