Home > Welded Tube
Welded Tubes are widely used across industries requiring precision, uniformity, surface finish, and cost-effective performance. Manufactured by forming steel strips or coils into tubular shapes and welding the seam using ERW, EFW, TIG, or orbital welding methods, welded tubes offer consistent dimensional control, excellent surface finish, and excellent corrosion resistance depending on material grade.
Unlike seamless tubes, welded tubes provide:
This is why welded tubes are extensively used in heat exchangers, condensers, dairy equipment, pharmaceutical systems, decorative architecture, instrumentation, exhaust systems, and structural applications.
Welded tubes are manufactured using the following processes:
Produced by cold-forming and welding with resistive heat.
Advantages:
Fusion welding with filler metal, suitable for SS and high-alloy grades.
Benefits:
Used for thin-wall SS pharma & sanitary tubes. Orbital welding provides:
With over a decade of experience and multi-material capability — from Stainless Steel to Carbon, Alloy, Duplex, and Nickel Alloys with Product Pipes, Tubes, Bars we serve the world’s most demanding industries with trust, traceability, and timely delivery.
| Feature | Welded Tubes | Seamless Tubes |
|---|---|---|
| Cost | Lower | Higher |
| Surface Finish | Excellent (BA/EP/TIG) | Very good (requires polishing) |
| Tolerance | Very precise | High, but less than welded |
| Applications | Pharma, decorative, exchangers, HVAC | Boilers, hydraulics, high pressure |
| Weld Seam | Yes (smooth or ground) | No |
| Thin Wall Capability | Excellent | Limited |
👉 Conclusion:
Welded tubes = best for precision, aesthetic, cleanroom, sanitary, heat exchanger, and structural applications.
Seamless tubes = best for pressure & high temperature.
We supply:
Finishes: Annealed, Pickled, BA, Electropolished (EP), Mechanical Polish
Standards Covered:
IS / BS Standards – Structural & automotive tubes
Carbon Steel Welded Tubes provide cost-effective performance for HVAC, automotive, mechanical engineering, structural applications, and moderate pressure systems.
Grades:
A178 • A179 • IS 3074 • IS 4923 (structural tubes) • BS 3059 Part 1 / Part 2
Advantages:
Applications:
Automotive components • HVAC coils • Mechanical parts • Furniture tubes
Used in medium–high temperature environments where strength and creep resistance are important.
Common Grades:
T5 • T9 • T11 • T22 • T91
Applications:
Air heater tubes • Heat exchangers • Chemical processing • Power plant systems
Nickel-based welded tubes are used in severe corrosion & high-temperature applications.
Grades:
Inconel 600/625 • Incoloy 800/825 • Monel 400 • Hastelloy C22/C276
Why Nickel Welded Tubes:
Duplex microstructure ensures high strength + chloride resistance, perfect for desalination & offshore systems.
Grades:
S31803 • S32205 • S32750 • S32760
Applications:
Seawater cooling systems • Heat exchangers • Platforms • Marine pipelines
Used where thermal conductivity & corrosion protection are required.
Grades:
Cu-Ni 90/10 • Cu-Ni 70/30 • Admiralty Brass • Aluminium Brass
Applications:
Condenser & chiller tubes • HVAC systems • Marine cooling • Water-cooled exchangers
Titanium offers unmatched corrosion resistance for extreme chemical environments.
Applications:
Nuclear systems • Chemical heaters • Desalination • Heat exchangers
| Standard Code | Description / Material Scope | Common Grades Supplied |
|---|---|---|
| ASTM A249 / SA249 | SS Heat Exchanger Tubes | 304/316 |
| ASTM A269 / SA269 | SS Instrumentation Tubes | 304/316 |
| ASTM A270 / SA270 | Sanitary & Pharma Tubes | 304/316L/321 |
| ASTM A554 | Decorative & Structural SS Tubes | 201/304/316 |
| ASTM A789 / A790 | Duplex Welded Tubes | S31803/S32205 |
| ASTM B515 / B516 / B626 | Nickel Alloy Welded Tubes | Inconel/Monel/Hastelloy |
| ASTM B338 / B862 | Titanium Welded Tubes | Grade 2/Grade 5 |
| EN 10217-7 | Welded Stainless Tubes | 304/316 |
| DIN 17457 | Welded Precision Tubes | Various SS grades |
| IS / BS Standards | Structural & Automotive Tubes | MS/CS Grades |
Heat Exchanger Tubes (A249 / A269)
Condenser Tubes
Sanitary & Pharma Tubes (A270 / EP Finish)
Instrumentation Tubes
Decorative & Architectural Tubes (A554)
Structural Welded Tubes
HVAC & Chiller Tubes
Automotive Tubes
Welded Tubes are used in industries where surface finish, corrosion resistance, uniformity, and fabrication ease are critical:
Talk to our experts for technical support, pricing, and bulk orders.
Welded Tube prices vary depending on material, OD, wall thickness, finish (BA/EP/Mechanical Polish) and welding method (ERW / TIG / Orbital / EFW).
| Material / Type | OD Range | Approx. Price (₹/kg) | Approx. Price (USD/kg) |
|---|---|---|---|
| SS Welded Tubes (A249 / A269 / A270) | 6–101 mm | ₹220 – ₹600 | $2.7 – $7.2 |
| Decorative SS Tubes (A554) | 12–152 mm | ₹190 – ₹400 | $2.4 – $5.0 |
| Carbon Steel Welded Tubes | 12–120 mm | ₹70 – ₹130 | $0.85 – $1.60 |
| Duplex / Super Duplex Welded Tubes | 6–60 mm | ₹450 – ₹1000 | $5.5 – $12.5 |
| Nickel Alloy Welded Tubes | 6–50 mm | ₹1500 – ₹3600 | $18 – $45 |
| Copper / Brass / Copper-Nickel Tubes | 6–80 mm | ₹500 – ₹1200 | $6.0 – $14.5 |
| Titanium Welded Tubes | 6–50 mm | ₹1500 – ₹2800 | $18 – $34 |
Bulk project orders receive discounted rates with CIF/FOB quotations.
| Tube Type / Application | Relevant Standards | Used For |
|---|---|---|
| Heat Exchanger Tubes | A249 / A269 | Heat transfer bundles, U-bend exchangers |
| Condenser Tubes | A249 / Cu-Ni / Brass | Cooling water systems, HVAC coils |
| Sanitary & Pharma Tubes | A270 / BA / EP | Food, dairy, beverage & biotech plants |
| Instrumentation Tubes | A269 / A632 | Dosing, control & chemical lines |
| Decorative / Architectural Tubes | A554 | Railings, frames, facades |
| Structural Tubes | IS / EN Grades | Light structures, frames & supports |
| HVAC & Chiller Tubes | SS / Cu / Cu-Ni | Thermal systems & refrigeration |
| Automotive Tubes | ERW / SS | Exhausts, chassis & components |
| Electropolished Tubes | EP Finish | Pharma, semiconductor & cleanrooms |
| Bright Annealed Tubes | BA Finish | Precision flow & contamination-free systems |
We export Welded Tubes across demanding global markets requiring precise tolerances and hygienic finishes.
All exports include EN 10204 3.1/3.2 MTC, customized packaging, and third-party inspections.
Welded Tubes undergo strict QA/QC processes, including:
TPI from SGS, TÜV, DNV, Lloyds, BV is available.
We support EPC contractors, OEMs, dairy/pharma processors, automotive companies, HVAC system integrators, and fabrication industries.
52-A, Mulji Thackersi Bldg, Islampura Street, Shop No. 10, Near Alankar Cinema, Mumbai – 400 004
info@inoxsteelindia.com
+91 9820920268
ERW, EFW, TIG/Orbital Welded, Spiral Welded, and Fabricated Tubes.
A249, A269, A270, A554, A789, A790, B515, B516, B626, B338, EN 10217-7, DIN 17457.
Annealed, Pickled, BA (Bright Annealed), EP (Electropolished), Mechanical Polish.
Heat exchangers, condensers, dairy & pharma systems, architectural structures, HVAC, automotive, instrumentation.
TIG/Orbital welded SS tubes handle hygienic service; pressure ratings depend on material & standard.
Yes — EP/BA tubes are supplied for pharma, biotech & semiconductor applications.
Yes — to GCC, Africa, Europe, Americas & Asia-Pacific.