Home > Seamless Tube > Nickel Alloy Seamless Tubes
Inox Steel India supplies a comprehensive range of Nickel Alloy Seamless Tubes designed for industries where traditional stainless or alloy steels cannot withstand aggressive media, high temperatures, or severe operating conditions. Manufactured as per ASTM B163, B167 and B622, these seamless tubes deliver unmatched resistance to corrosive chemicals, seawater, chlorides, sulfides, acids and oxidizing environments.
Nickel alloys are the preferred choice for chemical processing, desalination plants, marine engineering, petrochemical reactors, high-temperature furnaces, pollution control systems, and pharmaceutical equipment, where long-term stability and resistance to pitting, crevice corrosion and stress corrosion cracking are essential.
✔ Nickel Alloys Supplied by Inox Steel India
These tubes are manufactured using advanced cold-drawing and solution-annealing processes to ensure dimensional precision, metallurgical stability and clean internal surfaces, which are critical in high-purity and high-performance applications.
Nickel alloy tubes are widely used for:
Inox Steel India supplies high-certification nickel alloy tubes to global EPCs, marine fabricators, chemical plants, desalination units, refinery contractors and OEMs across India, GCC, Europe, Africa and Southeast Asia.
| Parameter | Nickel Alloy Seamless Tubes |
|---|---|
| Applicable Standards | ASTM B163 (Heat Exchanger Tubes) • ASTM B167 (General Tubes) • ASTM B622 (Hastelloy Seamless Tubes) |
| Grades Available | Inconel 600 • Inconel 625 • Monel 400 • Hastelloy C22 • Hastelloy C276 |
| Material Class | High Nickel Alloys (Ni > 60%) |
| Manufacturing Process | Cold Drawn Seamless (CDS) • Hot Finished Seamless • Annealed • Solution Annealed |
| Size Range (OD) | 6 mm to 168 mm OD |
| Thickness Range | 0.8 mm to 15 mm |
| Length Options | 6m • 12m • Cut-to-Length • U-bent Tubes |
| Mechanical Properties (Typical) | Tensile: 550–850 MPa • Yield: 200–480 MPa • Elongation: 30–45% (varies by grade) |
| Temperature Capability | Inconel: Up to 1000°C • Monel: Up to 550°C • Hastelloy: 900°C with exceptional corrosion resistance |
| Heat Treatment | Annealed • Solution Annealed (Mandatory for Hastelloy) |
| Surface Finish | Bright Annealed • Annealed & Pickled • Clean ID Tubes for high-purity environments |
| Dimensional Tolerances | Tight OD/WT tolerances as per B163/B167/B622 |
| End Finish | Plain Ends • Bevel Ends • Deburred Ends |
| Corrosion Resistance | Exceptional resistance to acids, seawater, chlorides, sulfides, reducing & oxidizing environments |
| Mandatory Testing | Hydrostatic Test • Eddy Current Test • Tensile • Hardness • Flattening/Flaring |
| Special Testing | PMI • Microstructure • Corrosion Testing • Intergranular Attack (IGA) • UT |
| Documentation Provided | MTC EN 10204 3.1 • Chemical/Mechanical Tests • NDT Reports • Heat Treatment Chart |
| Key Grade Benefits | 600: High-temp oxidation resistance • 625: Outstanding strength & seawater resistance • 400: Excellent in acids & alkalis • C22/C276: Premier corrosion-resistant alloys for harsh chemicals |
| Typical Applications | Chemical Reactors • Desalination Plants • Heat Exchangers • Marine Systems • Pharmaceutical & Food Equipment • Oil & Gas Sour Service • Pollution Control Systems |
Nickel Alloy Seamless Tubes are engineered to perform where extreme corrosion, high temperature, or aggressive chemical exposure make stainless steel and carbon steel fail. Their unique chemistry—rich in Nickel, Chromium, Molybdenum—provides exceptional resistance to chlorides, acids, seawater, high heat and oxidizing/reducing environments.
🔹 1. Chemical Processing & Acid Handling
Nickel alloys maintain stability even in highly acidic or mixed-media environments.
Applications:
Preferred Grades: Hastelloy C22 / C276
🔹 2. Desalination & Marine Engineering
Seawater and chloride environments demand premium nickel alloys.
Used For:
Recommended: Inconel 625 • Monel 400
🔹 3. High-Temperature Furnace & Thermal Systems
Nickel alloys retain mechanical strength at temperatures where steel loses performance.
Applications:
Preferred Grades: Inconel 600 / 625
🔹 4. Pollution Control & Flue Gas Treatment
Handles mixed acids, sulfides and high-temperature corrosion.
Applications:
Best Grades: Hastelloy C276 / C22
🔹 5. Oil & Gas (Sour Service)
Resists H₂S, CO₂, chlorides and high pressure.
Applications:
Preferred: Inconel 625 • Hastelloy C276
| Application | Recommended Grade | Why |
|---|---|---|
| Mixed acids & extreme corrosion | Hastelloy C276 | Resistant to strong oxidizers & reducing media |
| Chemical reactors & high-purity lines | Hastelloy C22 | Handles complex corrosive mixtures |
| High temperature (up to 1000°C) | Inconel 600 | Excellent thermal stability |
| Marine & chloride environments | Inconel 625 | Best seawater + chloride resistance |
| Seawater cooling & alkalis | Monel 400 | Exceptional in alkali & marine environments |
| Tube Type | OD Range | WT Range | Typical Use |
|---|---|---|---|
| Inconel 600/625 Tubes | 6–114 mm | 0.8–12 mm | Heat exchangers, high temperature |
| Monel 400 Tubes | 6–89 mm | 0.9–10 mm | Marine cooling, alkali processing |
| Hastelloy C22/C276 Tubes | 6–76 mm | 0.8–8 mm | Chemical reactors, corrosive media |
| U-Bent Nickel Alloy Tubes | Custom | Custom | Desalination, chemical plants |
(Complete size charts are available upon request.)
| Grade | Price Range (₹/kg) | Notes |
|---|---|---|
| Inconel 600 | ₹2,800 – ₹3,800 | High-temperature alloy |
| Inconel 625 | ₹3,200 – ₹4,400 | Premium seawater-grade |
| Monel 400 | ₹2,500 – ₹3,600 | Marine & alkali resistant |
| Hastelloy C22 | ₹3,800 – ₹5,500 | Chemical-resistant alloy |
| Hastelloy C276 | ₹4,500 – ₹6,200 | Industry-leading corrosion resistance |
Prices vary heavily by OD, WT, finish, origin and alloy surcharge.
Nickel alloys require rigorous testing to guarantee suitability for extreme conditions.
Mandatory Tests
Special Tests for Nickel Alloys
Documentation Supplied
Inox Steel India is a trusted supplier of high-performance Nickel Alloy Seamless Tubes engineered for extreme conditions where stainless steel, duplex steel, and alloy steel fail. Our capabilities in Inconel, Monel, and Hastelloy tubing ensure consistent quality for critical industries that demand maximum corrosion resistance and thermal stability.
✔ Why Our Nickel Alloy Tubes Stand Out
Our tubes are widely used in chemical, marine, desalination, pharmaceutical, refinery, pollution control, and offshore industries.
| Industry | Applications |
|---|---|
| Chemical Processing Plants | Reactors, acid loops, heat exchangers |
| Marine & Offshore Systems | Seawater coolers, desalination units |
| Oil & Gas (Sour Service) | Downhole tubing, injection lines |
| Petrochemical & Refinery | Furnace tubes, heater coils |
| Pollution Control (FGD) | Stack liners, absorber systems |
| Pharmaceutical & Biotech | Ultra-clean process tubing |
| High-Temperature Furnaces | Radiant tubes, reformers |
Nickel alloys play a mission-critical role in preventing corrosion failures and maximizing life-cycle performance.
We export Nickel Alloy seamless tubes to 40+ countries, ensuring secure and compliant packaging.
Export Packaging Includes:
Major Export Markets:
UAE • Saudi Arabia • Qatar • Kuwait • Oman
Singapore • Malaysia • Vietnam
Europe • South Africa • Nigeria
USA (project-specific compliance)
We help engineers, EPC contractors, and procurement teams with:
✔ Alloy selection (Inconel vs Monel vs Hastelloy)
✔ Temperature & corrosion compatibility guidance
✔ Heat exchanger & reactor tubing recommendations
✔ TPI coordination (SGS / TÜV / BV / Lloyds)
✔ Project-based pricing and fast dispatch
Request material samples, datasheets, and MTCs today.
52-A, Mulji Thackersi Bldg, Islampura Street, Shop No. 10, Near Alankar Cinema, Mumbai – 400 004
alloy@inoxsteelindia.in
+91 9930796690
Yes — U-bent tubes are supplied with controlled bending radii and solution-annealed conditions.
Yes, especially Inconel 625 and Monel 400 which have excellent chloride resistance.
Yes — Hastelloy C22 & C276 are among the best alloys for extreme chemical environments.
MTC 3.1, PMI, Hydro, Eddy Current, Microstructure, UT, and corrosion test reports.
Inox Steel India supplies Nickel Alloy Seamless Tubes in Inconel 600/625, Monel 400 and Hastelloy C22/C276 as per ASTM B163/B167/B622. Ideal for extreme corrosion, seawater systems, chemical reactors, heat exchangers and high-temperature applications.