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Girgaon, Mumbai - 400004
Inconel Pipes Supplier in India
Trusted Supplier & Exporter of Inconel Pipes
Kamal Steels is a leading Inconel Pipe Supplier and Exporter in India, offering high-quality nickel-chromium alloy pipes for industries operating in extreme temperature, pressure and corrosive environments. Established in 1984, we have decades of experience in stocking, supplying and exporting premium alloy piping solutions to customers across domestic and international markets.
Our extensive range includes Inconel Seamless Pipes, Inconel Welded Pipes and Inconel Fabricated Pipes manufactured according to ASTM, ASME and international quality standards. These pipes are available in various grades, sizes, wall thicknesses and schedules to meet the requirements of aerospace, chemical processing, oil & gas, petrochemical, marine, power generation and heat exchanger applications.
Inconel is a high-performance nickel-chromium alloy known for its exceptional resistance to oxidation, corrosion, thermal fatigue and high-temperature degradation. It maintains excellent mechanical strength and structural stability even in harsh operating conditions, making it one of the most preferred materials for critical industrial piping systems.
We maintain ready stock of popular grades including Inconel 600 Pipes, Inconel 601 Pipes, Inconel 625 Pipes and Inconel 718 Pipes to support urgent project requirements and scheduled industrial procurement. Our strong inventory management system enables fast deliveries, competitive pricing and reliable supply for both domestic and export orders.
Every Inconel Pipe undergoes strict quality control procedures, including dimensional inspection, chemical analysis, mechanical testing and third-party verification when required. Supplied with Mill Test Certificates (MTC), PMI reports and complete documentation, our products ensure compliance with industry specifications and customer requirements.
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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 Pipe Specifications
| Specification | Details |
|---|---|
| Product Name | Inconel Pipes |
| Grades | Inconel 600, Inconel 625, Inconel 718 |
| Type | Seamless / Welded |
| Size Range | 6 mm to 610 mm |
| Thickness | SCH 5 to SCH XXS |
| Length | Single Random / Double Random |
| Standards | ASTM B167, ASTM B444, ASTM B622 / ASME SB |
| End Finish | Plain End, Beveled End |
Inconel Pipe Weight Chart
The following table provides the approximate weight of Inconel 600, Inconel 625, and Inconel 718 pipes based on Schedule 40 dimensions. Actual weights may vary depending on the manufacturing standard, wall thickness, and material grade.
| Nominal Pipe Size (NPS) | Outside Diameter (mm) | Wall Thickness (mm) | Approx. Weight (kg/m) |
|---|---|---|---|
| 1/8" | 10.3 | 1.73 | 0.39 |
| 1/4" | 13.7 | 2.24 | 0.65 |
| 3/8" | 17.1 | 2.31 | 0.93 |
| 1/2" | 21.3 | 2.77 | 1.38 |
| 3/4" | 26.7 | 2.87 | 1.85 |
| 1" | 33.4 | 3.38 | 2.82 |
| 1-1/4" | 42.2 | 3.56 | 3.85 |
| 1-1/2" | 48.3 | 3.68 | 4.60 |
| 2" | 60.3 | 3.91 | 6.14 |
| 2-1/2" | 73.0 | 5.16 | 9.59 |
| 3" | 88.9 | 5.49 | 12.12 |
| 4" | 114.3 | 6.02 | 16.62 |
| 6" | 168.3 | 7.11 | 29.43 |
| 8" | 219.1 | 8.18 | 44.47 |
| 10" | 273.0 | 9.27 | 61.95 |
| 12" | 323.9 | 10.31 | 79.80 |
Note: The above weights are approximate for Inconel 600, Inconel 625, and Inconel 718 Schedule 40 pipes. Actual weight may vary depending on the alloy grade, pipe schedule (SCH 5S to SCH XXS), manufacturing tolerances, and applicable ASTM/ASME standards.
Inconel Pipe Size Chart & Dimensions
Inconel pipes are available in various sizes, wall thicknesses and schedules for high-temperature and corrosion-resistant industrial applications. These dimensions are commonly used in aerospace, marine, chemical processing, oil & gas and power generation industries.
| Nominal Pipe Size | Outside Diameter (OD) | SCH 40 Wall Thickness | SCH 80 Wall Thickness |
|---|---|---|---|
| 1/8" | 10.3 mm | 1.73 mm | 2.41 mm |
| 1/4" | 13.7 mm | 2.24 mm | 3.02 mm |
| 1/2" | 21.3 mm | 2.77 mm | 3.73 mm |
| 3/4" | 26.7 mm | 2.87 mm | 3.91 mm |
| 1" | 33.4 mm | 3.38 mm | 4.55 mm |
| 1 1/2" | 48.3 mm | 3.68 mm | 5.08 mm |
| 2" | 60.3 mm | 3.91 mm | 5.54 mm |
| 3" | 88.9 mm | 5.49 mm | 7.62 mm |
| 4" | 114.3 mm | 6.02 mm | 8.56 mm |
| 6" | 168.3 mm | 7.11 mm | 10.97 mm |
Inconel Pipe Pressure Ratings & Schedule
Inconel 600, Inconel 625, Inconel 718, and other Inconel alloy pipes are available in multiple pipe schedules to meet the requirements of high-pressure and high-temperature applications. The allowable working pressure depends on the nominal pipe size (NPS), wall thickness (schedule), operating temperature, alloy grade, and the applicable ASME design code.
| Pipe Schedule | Wall Thickness | Pressure Rating | Typical Applications |
|---|---|---|---|
| SCH 5S | Extra Light | Low Pressure | Chemical Processing, Heat Exchangers |
| SCH 10S | Light | Low to Medium Pressure | Process Piping, Fertilizer Plants |
| SCH 20 | Medium Light | Medium Pressure | Industrial Utility Systems |
| SCH 40 / STD | Standard | Medium to High Pressure | Oil & Gas, Petrochemical, Power Generation |
| SCH 60 | Heavy | High Pressure | Refineries, Boilers, Steam Service |
| SCH 80 / XS | Extra Strong | High Pressure | Offshore Platforms, High Pressure Process Lines |
| SCH 120 | Very Heavy | Very High Pressure | Aerospace, Nuclear, Critical Process Systems |
| SCH 160 | Extra Heavy | Very High Pressure | High Temperature & Severe Corrosion Applications |
| SCH XXS | Double Extra Strong | Maximum Pressure Rating | Extreme Pressure, High Temperature & Corrosive Environments |
Note: The pressure ratings shown above are for general reference only. The actual allowable working pressure of Inconel pipes depends on the pipe size (NPS), wall thickness, operating temperature, alloy grade (Inconel 600, 625, 718, etc.), and the applicable design code such as ASME B31.3. Contact our technical team for detailed pressure rating calculations for your specific application.
Types of Inconel Pipes
- Inconel Seamless Pipes
- Inconel Welded Pipes
- Inconel ERW Pipes
- Inconel Fabricated Pipes
- Inconel Round Pipes
- Inconel Thick Wall Pipes
- Inconel Large Diameter Pipes
- Inconel Capillary Pipes
Inconel Pipe Equivalent Grades
| Material | UNS Number | Werkstoff No. |
|---|---|---|
| Inconel 600 Pipes | N06600 | 2.4816 |
| Inconel 601 Pipes | N06601 | 2.4851 |
| Inconel 625 Pipes | N06625 | 2.4856 |
| Inconel 718 Pipes | N07718 | 2.4668 |
Chemical Composition of Inconel Pipe
| Grade | Inconel (%) | Chromium (%) | Iron (%) | Molybdenum (%) | Carbon (%) | Other Elements |
|---|---|---|---|---|---|---|
| Inconel 600 | 72 Min | 14-17 | 6-10 | - | 0.15 Max | Mn, Si, Cu Controlled |
| Inconel 601 | 58-63 | 21-25 | Balance | - | 0.10 Max | Aluminium Added |
| Inconel 625 | 58 Min | 20-23 | 5 Max | 8-10 | 0.10 Max | Nb + Ta Added |
| Inconel 718 | 50-55 | 17-21 | Balance | 2.8-3.3 | 0.08 Max | Nb, Ti, Al Added |
Inconel Pipe Standards
| ASTM Standards | ASME Standards |
|---|---|
| ASTM B167 | ASME SB167 |
| ASTM B444 | ASME SB444 |
| ASTM B622 | ASME SB622 |
| ASTM B516 | ASME SB516 |
| ASTM B775 | ASME SB775 |
Inconel Pipe Manufacturing Process
Inconel Pipes are manufactured using high-performance nickel-chromium alloy raw materials designed to withstand extreme temperatures, oxidation and corrosive environments. The manufacturing process follows strict international standards to ensure superior mechanical strength, dimensional accuracy and long service life.
- Raw Material Selection: Premium quality Inconel alloy billets or hollows are selected and tested for chemical composition and mechanical properties.
- Pipe Forming: Seamless Inconel Pipes are produced through hot extrusion and piercing processes, while welded pipes are manufactured by rolling Inconel plates or coils and welding the edges.
- Heat Treatment: Pipes undergo solution annealing and controlled heat treatment to improve corrosion resistance, ductility and high-temperature performance.
- Sizing & Straightening: The pipes are sized, straightened and calibrated to achieve precise dimensions, wall thickness and roundness.
- Non-Destructive Testing: Ultrasonic testing, hydrostatic testing, eddy current testing and other quality inspections are performed to ensure defect-free products.
- Surface Finishing: Pickling, passivation, polishing and cleaning processes are carried out to enhance corrosion resistance and surface quality.
- Final Inspection & Packaging: Each pipe is thoroughly inspected, marked, packed and prepared for safe domestic and international shipment.
The finished Inconel Pipes offer exceptional resistance to heat, oxidation, pressure and corrosion, making them ideal for aerospace, chemical processing, marine, petrochemical, offshore and power generation industries.
Request a QuoteInconel 600 vs Inconel 625 Pipe
Inconel 600 and Inconel 625 Pipes are widely used in high-temperature and corrosive environments. Inconel 600 offers excellent oxidation resistance and good mechanical strength, while Inconel 625 provides superior corrosion resistance and higher tensile strength due to the addition of molybdenum and niobium. Inconel 625 Pipes are generally preferred for offshore, marine and chemical processing applications, whereas Inconel 600 Pipes are commonly used in heat treatment, furnace and thermal processing equipment.
Inconel 625 vs Inconel 718 Pipe
Inconel 625 and Inconel 718 Pipes are both high-performance nickel alloys, but they are designed for different service conditions. Inconel 625 offers exceptional corrosion resistance and weldability, making it suitable for marine, chemical and offshore applications. Inconel 718 provides significantly higher strength and creep resistance at elevated temperatures due to precipitation hardening, making it ideal for aerospace, gas turbine and high-stress industrial applications.
Mechanical Properties of Inconel Pipe
Tensile Strength
Tensile strength represents the maximum stress an Inconel pipe can withstand before failure. Inconel pipes provide exceptional tensile strength, making them suitable for high-temperature and high-pressure industrial applications.
Yield Strength
Yield strength indicates the stress level at which permanent deformation begins. Inconel pipes maintain excellent structural stability and strength under extreme operating conditions.
Elongation
Elongation measures the ductility and flexibility of Inconel pipes before fracture. High elongation improves fabrication, welding and installation performance in industrial systems.
| Grade | Tensile Strength (MPa, Min) | Yield Strength (MPa, Min) | Elongation (% Min) |
|---|---|---|---|
| Inconel 600 | 550 | 240 | 30% |
| Inconel 601 | 650 | 300 | 35% |
| Inconel 625 | 827 | 414 | 30% |
| Inconel 718 | 965 | 550 | 20% |
Features of Inconel Pipes
- Excellent High Temperature Resistance: Inconel pipes maintain exceptional strength and structural stability even at elevated temperatures and extreme heat conditions.
- Outstanding Corrosion Resistance: Inconel pipes provide superior resistance against oxidation, acids, seawater and aggressive chemical environments.
- High Mechanical Strength: These pipes deliver excellent tensile and yield strength for demanding industrial and pressure applications.
- Excellent Weldability & Fabrication: Inconel pipes can be fabricated, welded and formed easily while maintaining structural integrity and corrosion resistance.
- Resistance to Oxidation & Scaling: Inconel performs exceptionally well in oxidizing and high-temperature environments without surface degradation.
- Long Operational Life: These pipes are designed for long-term industrial performance with minimal maintenance requirements.
- Reliable Performance in Extreme Conditions: Inconel pipes are suitable for applications involving high pressure, thermal stress and corrosive media.
- Ideal for Critical Industries: Widely used in aerospace, marine, chemical processing and power generation industries.
Applications of Inconel Pipes
Inconel Pipes are widely used in industrial applications where corrosion resistance, high strength and pressure handling capability are required.
Chemical Processing Plants
Used in chemical handling systems exposed to aggressive acids, alkalis and corrosive media.
Oil & Gas Industry
Applied in offshore and onshore systems operating under high pressure and corrosive conditions.
Aerospace Industry
Used in aircraft exhaust systems, turbine components and high-temperature aerospace applications.
Power Generation Systems
Widely used in boilers, nuclear plants and heat exchangers operating under extreme temperatures.
Petrochemical Industry
Suitable for refining and processing systems handling aggressive hydrocarbons and chemicals.
Marine Engineering
Provides reliable resistance against seawater corrosion and marine environmental conditions.
Heat Exchanger Systems
Preferred for high-temperature heat transfer applications requiring corrosion resistance.
Furnace & Thermal Processing
Used in furnace components and thermal processing units exposed to continuous heat.
Desalination Plants
Applied in seawater treatment systems due to excellent resistance to chloride attack.
Industries We Serve
Kamal Steels Inconel Pipes & Tubes to various industries worldwide for high-pressure and corrosion-resistant applications.
Chemical Industry
Used in chemical plants for handling corrosive chemicals and aggressive process fluids.
Oil & Gas Industry
Widely used in offshore drilling, refining and high-pressure processing systems.
Aerospace Industry
Preferred for aerospace systems requiring high strength and heat resistance.
Power Industry
Used in thermal and nuclear power generation systems operating at high temperatures.
Marine Industry
Suitable for marine piping systems exposed to seawater and harsh environmental conditions.
Engineering Sector
Used in heavy engineering, fabrication and industrial processing equipment.
Petrochemical Industry
Applied in refineries and petrochemical plants handling corrosive hydrocarbons.
Packaging, Testing & Inspection
Packaging
- Wooden Boxes: Inconel pipes are packed securely in export-quality wooden boxes for safe transportation.
- Bundle Packing: Pipes are bundled properly for efficient handling and shipment safety.
- Plastic End Caps: Protective caps prevent dust, moisture and damage during transit and storage.
- Export Standard Packaging: Packaging follows international export standards for safe global delivery.
Testing & Inspection
- Hydrostatic Testing: Ensures pipes can withstand high internal pressure without leakage or deformation.
- Eddy Current Testing: Detects surface and internal defects to maintain product quality.
- Positive Material Identification (PMI): Verifies the chemical composition and correct Inconel grade.
- Flattening Test: Checks ductility, weld integrity and structural performance under compression.
- Visual Inspection: Ensures dimensional accuracy, surface finish and manufacturing quality.
- Third Party Inspection: Independent inspections confirm compliance with international quality standards.
Frequently Asked Questions
An Inconel pipe is a nickel-chromium alloy pipe engineered for high-temperature, high-pressure and corrosive service conditions. It offers excellent oxidation resistance, mechanical strength and long-term durability, making it suitable for demanding industrial applications.
Inconel pipes are commonly used in aerospace, oil & gas, petrochemical, marine, chemical processing, power generation and heat exchanger systems. Their ability to withstand extreme environments makes them ideal for critical operations.
Commonly available grades include Inconel 600, Inconel 601, Inconel 625 and Inconel 718. Each grade offers unique properties related to corrosion resistance, heat resistance and mechanical strength for specific industrial applications.
Inconel 600 is primarily known for excellent oxidation resistance and high-temperature performance, while Inconel 625 offers enhanced corrosion resistance and superior strength due to the addition of molybdenum and niobium.
Inconel pipes generally provide better performance than stainless steel in extreme environments involving high temperatures, aggressive chemicals and severe corrosion. The ideal material selection depends on the application's operating conditions.
Yes, Inconel pipes are specifically designed for elevated-temperature service and maintain excellent mechanical properties even under continuous exposure to extreme heat, making them suitable for furnaces, turbines and thermal processing equipment.
Yes, Inconel pipes offer exceptional resistance to oxidation, pitting, crevice corrosion, chloride attack and various aggressive chemical environments. This makes them a preferred choice for marine, offshore and chemical processing applications.
Inconel pipes are commonly manufactured according to ASTM and ASME standards such as ASTM B167, ASTM B444, ASTM B622, ASME SB167 and ASME SB444, depending on the alloy grade and application requirements.
Inconel pipes typically undergo hydrostatic testing, PMI testing, eddy current testing, flattening tests, dimensional inspection, visual inspection and third-party inspection to ensure compliance with international quality standards.
Inconel pipe prices depend on grade, size, schedule, quantity and market conditions. Contact Kamal Steels for the latest pricing, stock availability, technical specifications and project-specific quotations.