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Girgaon, Mumbai - 400004
Inconel Tubes Supplier in India
Trusted Supplier & Exporter of Inconel Tubes
Kamal Steels, established in 1984, is a trusted Inconel Tube Supplier and Exporter in India. We stock and supply Inconel 600, Inconel 601, Inconel 625, and Inconel 718 tubes in seamless and welded forms, manufactured in accordance with ASTM, ASME, and ANSI standards for demanding industrial applications.
Available in a wide range of sizes, wall thicknesses, and specifications, our tubes are widely used in aerospace, marine engineering, chemical processing, oil & gas, heat exchangers, power generation, and offshore industries. With ready inventory, Mill Test Certificates (MTC), and worldwide delivery, Kamal Steels provides dependable tubing solutions for projects across India and global markets.
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Certifications & Compliance
- ISO 9001:2015 Certified
- ISO 14001 Certified
- ISO 45001 Certified
- PED Approved Materials
- MSME Registered Company
- IEC Export Certification
- GST Registered Business
Inconel Tube Specifications
| Specification | Details |
|---|---|
| Product | Inconel Seamless & Welded Tubes |
| Inconel Grades | Inconel 600 (UNS N06600), Inconel 601 (UNS N06601), Inconel 625 (UNS N06625), Inconel 718 (UNS N07718), Inconel X-750 (UNS N07750) |
| Manufacturing Type | Seamless, Welded, ERW, Fabricated |
| Outside Diameter | 6.00 mm OD to 610 mm OD |
| Wall Thickness | 0.5 mm to 25 mm / SCH 5, SCH 10, SCH 40, SCH 80, SCH 160, XXS |
| Length | 1 m to 12 m, Single Random, Double Random & Cut Length |
| Standards | ASTM B163, ASTM B167, ASTM B444, ASTM B516, ASTM B517, ASME SB163, ASME SB167, ASME SB444, ASME SB516, ASME SB517 |
| Surface Finish | Annealed, Pickled, Bright Annealed (BA), Polished |
| End Finish | Plain End (PE), Beveled End (BE), Threaded |
| Testing | Hydrostatic Test, Eddy Current Test, PMI Test, Ultrasonic Test, Flattening Test, Flaring Test & Third-Party Inspection |
| Applications | Aerospace, Chemical Processing, Oil & Gas, Heat Exchangers, Nuclear Power, Marine Engineering, Petrochemical & Power Generation Industries |
Inconel Tube Weight Chart
Inconel Tube Size Chart & Dimensions
Inconel tubes are available in a wide range of outside diameters, wall thicknesses and lengths to meet the requirements of high-temperature, high-pressure and corrosion-resistant applications. These dimensions are commonly used in heat exchangers, condensers, instrumentation systems, chemical processing plants, aerospace equipment and power generation industries.
| Outside Diameter (OD) | Wall Thickness | Inside Diameter (Approx.) | Standard Length |
|---|---|---|---|
| 6.35 mm (1/4") | 0.89 mm | 4.57 mm | 6 Meters |
| 9.52 mm (3/8") | 1.24 mm | 7.04 mm | 6 Meters |
| 12.70 mm (1/2") | 1.24 mm | 10.22 mm | 6 Meters |
| 15.88 mm (5/8") | 1.65 mm | 12.58 mm | 6 Meters |
| 19.05 mm (3/4") | 1.65 mm | 15.75 mm | 6 Meters |
| 25.40 mm (1") | 2.11 mm | 21.18 mm | 6 Meters |
| 31.75 mm (1 1/4") | 2.77 mm | 26.21 mm | 6 Meters |
| 38.10 mm (1 1/2") | 2.77 mm | 32.56 mm | 6 Meters |
| 50.80 mm (2") | 3.05 mm | 44.70 mm | 6 Meters |
| 76.20 mm (3") | 3.40 mm | 69.40 mm | 6 Meters |
Types of Inconel Tubes
Kamal Steels supplies Inconel tubes in seamless, welded, heat exchanger, condenser, instrumentation, hydraulic, polished, and custom-cut lengths. These products are available in Inconel 600, 601, 625, and 718 grades to meet the requirements of aerospace, marine, chemical processing, oil & gas, power generation, and offshore industries.
- Inconel Seamless Tubes
- Inconel Welded Tubes
- Inconel ERW Tubes
- Inconel Fabricated Tubes
Inconel Tube Equivalent Grades
| Material | UNS Number | Werkstoff No. |
|---|---|---|
| Inconel 600 Tubes | N06600 | 2.4816 |
| Inconel 601 Tubes | N06601 | 2.4851 |
| Inconel 625 Tubes | N06625 | 2.4856 |
| Inconel 718 Tubes | N07718 | 2.4668 |
Inconel Tube Pressure Ratings
Chemical Composition of Inconel Tubes
Inconel tubes are manufactured from high-performance nickel-chromium alloys designed to provide exceptional resistance to oxidation, corrosion and high-temperature environments. The chemical composition varies depending on the grade and directly influences the tube's mechanical strength, heat resistance and corrosion performance.
| Grade | Nickel (%) | Chromium (%) | Iron (%) | Molybdenum (%) | Carbon (%) | Other Elements |
|---|---|---|---|---|---|---|
| Inconel 600 Tubes | 72 Min | 14-17 | 6-10 | - | 0.15 Max | Mn, Si, Cu Controlled |
| Inconel 601 Tubes | 58-63 | 21-25 | Balance | - | 0.10 Max | Aluminium Added |
| Inconel 625 Tubes | 58 Min | 20-23 | 5 Max | 8-10 | 0.10 Max | Nb + Ta Added |
| Inconel 718 Tubes | 50-55 | 17-21 | Balance | 2.8-3.3 | 0.08 Max | Nb, Ti, Al Added |
Inconel Tube Standards
| ASTM Standards | ASME Standards |
|---|---|
| ASTM B163 | ASME SB163 |
| ASTM B167 | ASME SB167 |
| ASTM B444 | ASME SB444 |
| ASTM B516 | ASME SB516 |
| ASTM B704 | ASME SB704 |
Inconel Tube Manufacturing Process
Inconel tubes are manufactured using seamless and welded production processes in accordance with ASTM and ASME specifications. Each tube undergoes precision forming, solution annealing, heat treatment, dimensional inspection, and non-destructive testing to ensure outstanding corrosion resistance, high-temperature strength, and reliable performance in demanding industrial environments.
- Raw Material Selection: High-quality Inconel alloy billets, hollows or strip materials are selected and tested for chemical composition and mechanical properties.
- Tube Forming: Seamless Inconel Tubes are produced through extrusion and cold drawing processes, while welded tubes are manufactured from Inconel strip or sheet using advanced welding techniques.
- Heat Treatment: Tubes undergo solution annealing and controlled heat treatment to improve corrosion resistance, ductility and high-temperature performance.
- Sizing & Straightening: The tubes are calibrated, straightened and sized to achieve precise outside diameter, wall thickness and dimensional tolerances.
- Non-Destructive Testing: Ultrasonic testing, eddy current testing, hydrostatic testing and other inspections are conducted to ensure product integrity and quality.
- Surface Finishing: Pickling, passivation, polishing and cleaning processes are carried out to enhance corrosion resistance and surface finish quality.
- Final Inspection & Packaging: Each tube is inspected, marked, packed and prepared for safe domestic and international shipment.
The finished Inconel Tubes offer outstanding resistance to heat, oxidation, pressure and corrosion, making them suitable for heat exchangers, condensers, aerospace equipment, chemical processing plants, petrochemical facilities and power generation systems.
Request a QuoteInconel 600 vs Inconel 625 Tubes
Inconel 600 and Inconel 625 are widely used nickel-chromium alloys for high-temperature service. Inconel 600 offers excellent oxidation resistance and performs well in heat treatment equipment, chemical processing, and furnace components. Inconel 625 provides superior corrosion resistance and higher mechanical strength due to the addition of molybdenum and niobium, making it suitable for marine engineering, offshore structures, and aggressive chemical environments.
Inconel 625 vs Inconel 718 Tubes
Inconel 625 Tubes and Inconel 718 Tubes are both high-performance nickel alloy products designed for demanding applications. Inconel 625 offers exceptional corrosion resistance and excellent weldability, making it suitable for marine, offshore and chemical industries. Inconel 718 provides significantly higher strength, fatigue resistance and creep resistance at elevated temperatures due to precipitation hardening, making it ideal for aerospace, gas turbines and high-stress industrial environments.
Mechanical Properties of Inconel Tubes
Tensile Strength
Tensile strength represents the maximum stress an Inconel tube can withstand before failure. Inconel tubes offer excellent tensile strength for demanding high-temperature and high-pressure applications.
Yield Strength
Yield strength indicates the stress level at which permanent deformation begins. Inconel tubes maintain outstanding structural stability and performance under severe operating conditions.
Elongation
Elongation measures the ductility and flexibility of Inconel tubes before fracture. Higher elongation improves fabrication, bending and welding performance in industrial applications.
| Grade | Tensile Strength (MPa, Min) | Yield Strength (MPa, Min) | Elongation (% Min) |
|---|---|---|---|
| Inconel 600 Tubes | 550 | 240 | 30% |
| Inconel 601 Tubes | 650 | 300 | 35% |
| Inconel 625 Tubes | 827 | 414 | 30% |
| Inconel 718 Tubes | 965 | 550 | 20% |
Features of Inconel Tubes
- Excellent High Temperature Resistance: Inconel tubes maintain excellent strength and structural stability even under extreme high-temperature conditions.
- Outstanding Corrosion Resistance: These tubes provide superior resistance against oxidation, acids, alkalis and harsh chemical environments.
- High Mechanical Strength: Inconel tubes offer exceptional tensile and yield strength for demanding industrial applications.
- Excellent Oxidation Resistance: The alloy performs efficiently in oxidizing atmospheres and elevated temperature systems.
- Reliable Performance Under Pressure: Inconel tubes are suitable for high-pressure environments requiring long-term operational reliability.
- Good Weldability & Fabrication: These tubes can be easily fabricated and welded while maintaining mechanical integrity and corrosion resistance.
- Long Service Life: Built for extreme industrial conditions, Inconel tubes offer durability with reduced maintenance requirements.
- Suitable for Critical Applications: Inconel tubes are widely used where heat resistance, strength and corrosion protection are essential.
Applications of Inconel Tubes
Inconel tubes are widely used in industries requiring high temperature resistance, oxidation resistance and superior mechanical performance in aggressive operating environments.
Oil & Gas Industry
Used in offshore platforms, refineries and high-pressure systems exposed to corrosive environments.
Chemical Processing Plants
Suitable for handling aggressive chemicals, acids and high-temperature process media.
Power Generation
Widely used in boilers, turbines and heat recovery systems operating under extreme temperatures.
Aerospace Industry
Preferred for aerospace components requiring exceptional heat resistance and mechanical strength.
Heat Exchanger Systems
Used in condensers and heat exchangers due to superior thermal and corrosion-resistant properties.
Petrochemical Industry
Applied in refining and petrochemical processing systems exposed to high temperatures and corrosive media.
Marine Industry
Suitable for marine systems requiring corrosion resistance in seawater environments.
Engineering Applications
Used in critical engineering systems demanding high strength, durability and operational reliability.
Industries We Serve
Kamal Steels supplies Inconel tubes to industries requiring high-temperature strength, corrosion resistance and dependable performance in extreme environments.
Oil & Gas Industry
Used in offshore drilling, refining and high-pressure hydrocarbon systems.
Chemical Industry
Suitable for aggressive chemical processing systems operating under corrosive conditions.
Power Industry
Used in boilers, turbines and energy generation systems exposed to extreme temperatures.
Aerospace Industry
Preferred for aerospace systems requiring superior heat resistance and mechanical stability.
Petrochemical Industry
Applied in processing units handling corrosive hydrocarbons and high-temperature media.
Marine Industry
Used in marine engineering systems exposed to harsh seawater environments.
Engineering Sector
Suitable for fabrication, industrial machinery and critical engineering applications.
Packaging, Testing & Inspection
Packaging
- Wooden Boxes: Inconel tubes are securely packed in wooden boxes for safe transportation and export handling.
- Bundle Packing: Tubes are bundled properly for convenient storage and shipment.
- Plastic End Caps: Protective caps prevent damage, dust and moisture entry during transit.
- Export Standard Packing: All packaging complies with international export standards for safe worldwide delivery.
Testing & Inspection
- Hydrostatic Testing: Ensures Inconel tubes can withstand high internal pressure without leakage.
- Ultrasonic Testing: Detects internal defects and verifies product integrity.
- Positive Material Identification (PMI): Confirms accurate alloy composition and material grade verification.
- Flattening Test: Evaluates ductility and mechanical performance under compression.
- Visual Inspection: Checks surface finish, dimensions and overall quality compliance.
- Third Party Inspection: Independent inspection agencies verify quality standards before dispatch.
Frequently Asked Questions
Inconel 600 tubes are primarily known for excellent oxidation and heat resistance, while Inconel 625 tubes offer superior corrosion resistance and higher strength due to the addition of molybdenum and niobium. Inconel 625 is commonly used in marine, chemical processing and offshore applications.
Inconel tubes can withstand extremely high temperatures, typically ranging from 1000°F to 2000°F (538°C to 1093°C) depending on the grade and operating conditions, while maintaining excellent mechanical properties.
Yes, Inconel tubes provide excellent resistance to seawater corrosion, pitting and crevice corrosion, making them ideal for marine engineering, offshore platforms and desalination plants.
Inconel tubes are commonly manufactured according to ASTM B163, ASTM B167, ASTM B444, ASTM B622 and corresponding ASME SB specifications, depending on the alloy grade and application requirements.
Inconel seamless tubes are widely used in aerospace, power generation, petrochemical, oil & gas, marine, heat treatment, chemical processing and nuclear industries where high temperature and corrosion resistance are essential.
Yes, Inconel tubes offer outstanding oxidation resistance at elevated temperatures. Their nickel-chromium composition forms a protective oxide layer that helps prevent scaling and degradation in high-heat environments.
Inconel tubes are available in a wide range of outside diameters, wall thicknesses and lengths. Both seamless and welded tubes can be supplied in standard as well as custom dimensions to meet specific project requirements.
Yes, we provide Mill Test Certificates (MTC) in accordance with EN 10204 3.1 along with material traceability and quality documentation to ensure compliance with international standards.
Yes, Inconel tubes are commonly used in heat exchangers because of their excellent thermal stability, corrosion resistance and ability to perform reliably in high-temperature and aggressive chemical environments.
The price of Inconel tubes in India depends on factors such as grade, size, wall thickness, quantity and market conditions. Contact Kamal Steels for the latest Inconel tube price list and a customized quotation.