Inconel Tubes Manufacturer & Supplier in India
Kalpataru Piping Solution is a reliable manufacturer of high-performance Inconel tubes that are designed to provide the best strength and corrosion in severe conditions. They are nickel-based alloy tubes that are extensively used in industries in which high temperature, pressure and the aggressive media require better performance of the material.
Our product line also includes Inconel 600 tubes and Inconel 601 tubes, which have the highest oxidation resistance and stability under high temperatures and, therefore, are used in heat treatment and thermal processing capabilities. Inconel 625 Tubes have excellent fatigue strength and pitting and crevice resistance to corrosion particularly in marine and chemical processing systems. The Kalpaturu Piping Solution also offers Incoloy 800 tubes that offer superior creep rupture strength that find their application in petrochemical industries as well as power generation industries. Moreover, Incoloy 825 Tubes are used because they resist sulfuric and phosphoric acids well; hence, they would last long in severe chemical conditions.
Our Inconel 625 tubing comes in a complete inventory of sizes, in different outer diameter, wall thickness and lengths to suit the varied requirements of different projects. The tubes are all manufactured according to the international standards of quality and are tightly inspected to guarantee the dimensional accuracy, as well as the integrity of the materials.
Kalpataru Piping Solution is a reliable provider of high-quality alloy tubing solutions due to its emphasis on quality, reliability and punctuality of delivery.
Inconel Tubes Material Grades
Specification of Inconel Tubes
Category | Specification / Type | Details |
Seamless Tube Size | Nominal | 0.250″ – 1.500″ |
Welded Tube Size | Nominal | 6.35 – 114.3 mm |
Capillary Tube Size | Nominal | 0.4 – 16 mm |
Exhaust Pipe Thickness | Seamless | 0.028″ – 0.065″ |
Welded | 0.8 – 12.7 mm | |
Capillary | 0.1 – 3 mm | |
Pipe Length | Seamless | Custom |
Welded | Up to 26 Meters | |
Capillary | 0.5 – 12 Meters | |
Tube Finishes | – | Bright, Cold Finish, Annealing, Mill Finish, Pickling |
Standards (Inconel 625 Gas Tube) | – | ASTM B516 / ASME SB 516, UNS: N07718, WNR: 2.4816 |
EFW Tube Types | – | Round, Hex, Rectangle, Square |
Tube End Types (718 Seamless) | – | BOE (Bevel One), Grooved, Plain (PE), Bevelled (BW) |
Manufacturing Methods | – | Seamless, ERW, Welded |
Testing / Certification | – | Mechanical Test, Chemical Report, PMI, Ultrasonic |
Packaging | – | PE Fabric Bundles, Crates, Wooden Boxes, Wrapped in Plastic |
Services | – | Beveling, Cut-to-Length, Threading, Machining, Welding |
Rectangular Tube Origin | – | European, Japanese, Indian |
Alloy Grades | – | 600, 601, 625, 718, 800, 825 |
Chemical Composition (Example) | 718 | Ti 0.3, Mo 2.8–3.3, Mn 0.35, Co 1.0, Al 0.65–1.15, C 0.08, P 0.015, B 0.006, Ni 50–55, Cr 17–21, Si 0.35, Nb 4.75–5.5, Fe Balance, Cu 0.2–0.8, S 0.015 |
625 | Ti 0.4, Mo 8–10, Mn 0.5, Co 1.0, Al 0.4, C 0.1, P 0.015, Ni 58, Cr 20–23, Si 0.5, Nb 3.15–4.15, Fe 5, S 0.015 | |
600 | Co 1.0, C 0.15, Ni 72, Cr 14–17, Si 0.5, Fe 6–10, Cu 0.5, S 0.015 | |
Mechanical Properties | 600 | Density 8.47 g/cm³, Yield 310 MPa / 45,000 Psi, Tensile 655 MPa / 95,000 Psi, Melting 2580°F (1413°C), Elongation 40% |
625 | Density 8.4 g/cm³, Yield 517 MPa / 75,000 Psi, Tensile 930 MPa / 135,000 Psi, Melting 2460°F (1350°C), Elongation 42.5% | |
718 | Density 8.2 g/cm³, Yield 482 MPa / 75,000 Psi, Tensile 930 MPa / 135,000 Psi, Melting 2460°F (1350°C), Elongation 45% | |
Tube Schedules (Seamless) | Nominal | 1/8″ – 16″, Schedules 80, 160, XXS, 60 |
Pressure Ratings (ERW Tube) | Nominal Sizes | 6×1 mm: 930–888 Ksi (300–600°F), 8×2 mm: 1462–1395 Ksi |
Square Tube (2.4856 Alloy) Weight | 1/2″ – 48″ | 1.268 – 284.112 kg/m (0.851 – 190.738 lb/ft) |
Types of Monel Pipe Fittings
Available Standards & Grades
Category | Details |
Available Standards | ASTM / ASME SB 163 / 167 / 517 / 704 / 705 |
Grades | ASTM / ASME UNS 6600 – Inconel 600 Tubes |
ASTM / ASME UNS 6601 – Inconel 601 Tubes | |
ASTM / ASME UNS 6625 – Inconel 625 Tubes | |
ASTM / ASME UNS 7718 – Inconel 718 Tubes | |
ASTM / ASME UNS 7751 – Inconel X-750 Tubes | |
ASTM / ASME UNS 8800 – Inconel 800 Tubes | |
ASTM / ASME UNS 8810 / 8811 – Incoloy 800H Tubes | |
ASTM / ASME UNS 8825 – Incoloy 825 Tubes |
Chemical Composition of Inconel Tube
Element | Composition (%) |
Nickel (Plus Cobalt) | 72.0 min. |
Chromium | 14.0 – 17.0 |
Iron | 6.00 – 10.00 |
Carbon | 0.15 max. |
Manganese | 1.00 max. |
Sulfur | 0.015 max. |
Silicon | 0.50 max. |
Copper | 0.50 max. |
Inconel Alloy 400 Tubing Working Pressure Ratings
Tube O.D. (in.) | Wall Thickness .028 in | .035 in | .049 in | .065 in | .083 in | .095 in | .109 in | .120 in |
1/8 | 7900 | 10100 | – | – | – | – | – | – |
1/4 | 3700 | 4800 | 7000 | 9500 | – | – | – | – |
5/16 | – | 3700 | 5400 | 7300 | – | – | – | – |
3/8 | – | 3100 | 4400 | 6100 | – | – | – | – |
1/2 | – | 2300 | 3200 | 4400 | – | – | – | – |
3/4 | – | – | 2200 | 3000 | 4000 | 4600 | – | – |
1 | – | – | – | 2200 | 2900 | 3400 | 3900 | 4300 |
Inconel Seamless Tube Schedule Chart
Nominal Pipe Size (Inch) | Schedule 80 | Schedule 160 | Schedule XXS | Schedule 60 |
1/8″ | 0.405 | 0.405 | 0.405 | 0.405 |
1/4″ | 0.540 | 0.540 | 0.540 | 0.540 |
1/2″ | 0.840 | 0.840 | 0.840 | 0.840 |
1″ | 1.315 | 1.315 | 1.315 | 1.315 |
1 1/4″ | 1.660 | 1.660 | 1.660 | 1.660 |
1 1/2″ | 1.900 | 1.900 | 1.900 | 1.900 |
2″ | 2.375 | 2.375 | 2.375 | 2.375 |
2 1/2″ | 2.875 | 2.875 | 2.875 | 2.875 |
3″ | 3.500 | 3.500 | 3.500 | 3.500 |
3 1/2″ | 4.000 | 4.000 | 4.000 | 4.000 |
4″ | 4.500 | 4.500 | 4.500 | 4.500 |
5″ | 5.563 | 5.563 | 5.563 | 5.563 |
6″ | 6.625 | 6.625 | 6.625 | 6.625 |
8″ | 8.625 | 8.625 | 8.625 | 8.625 |
10″ | 10.750 | 10.750 | 10.750 | 10.750 |
12″ | 12.750 | 12.750 | 12.750 | 12.750 |
14″ | 14.000 | 14.000 | 14.000 | 14.000 |
16″ | 16.000 | 16.000 | 16.000 | 16.000 |
Inconel Seamless Tube Schedule Chart
| Nominal Pipe Size (Inch) | Schedule 80 | Schedule 160 | Schedule XXS | Schedule 60 |
| 1/8″ | 0.405 | 0.405 | 0.405 | 0.405 |
| 1/4″ | 0.540 | 0.540 | 0.540 | 0.540 |
| 1/2″ | 0.840 | 0.840 | 0.840 | 0.840 |
| 1″ | 1.315 | 1.315 | 1.315 | 1.315 |
| 1 1/4″ | 1.660 | 1.660 | 1.660 | 1.660 |
| 1 1/2″ | 1.900 | 1.900 | 1.900 | 1.900 |
| 2″ | 2.375 | 2.375 | 2.375 | 2.375 |
| 2 1/2″ | 2.875 | 2.875 | 2.875 | 2.875 |
| 3″ | 3.500 | 3.500 | 3.500 | 3.500 |
| 3 1/2″ | 4.000 | 4.000 | 4.000 | 4.000 |
| 4″ | 4.500 | 4.500 | 4.500 | 4.500 |
| 5″ | 5.563 | 5.563 | 5.563 | 5.563 |
| 6″ | 6.625 | 6.625 | 6.625 | 6.625 |
| 8″ | 8.625 | 8.625 | 8.625 | 8.625 |
| 10″ | 10.750 | 10.750 | 10.750 | 10.750 |
| 12″ | 12.750 | 12.750 | 12.750 | 12.750 |
| 14″ | 14.000 | 14.000 | 14.000 | 14.000 |
| 16″ | 16.000 | 16.000 | 16.000 | 16.000 |
Inconel 2.4856 Alloy Square Tube – Weight Chart
Nominal Size (in) | Outside Diameter (mm) | OD (in) | Schedule | Wall Thickness (mm) | Wall Thickness (in) | Weight (kg/m) | Weight (lb/ft) |
1/2″ | 21 | 0.840 | 40 STD | 2.769 | 0.109 | 1.268 | 0.851 |
3/4″ | 27 | 1.050 | 40 STD | 2.870 | 0.113 | 1.684 | 1.131 |
1″ | 33 | 1.315 | 40 STD | 3.378 | 0.133 | 2.501 | 1.679 |
1 1/4″ | 42 | 1.660 | 40 STD | 3.556 | 0.140 | 3.385 | 2.273 |
1 1/2″ | 48 | 1.900 | 40 STD | 3.683 | 0.145 | 4.048 | 2.718 |
2″ | 60 | 2.375 | 40 STD | 3.912 | 0.154 | 5.441 | 3.653 |
2 1/2″ | 73 | 2.875 | 40 STD | 5.516 | 0.203 | 8.629 | 5.793 |
3″ | 89 | 3.500 | 40 STD | 5.486 | 0.216 | 11.284 | 7.576 |
4″ | 114 | 4.500 | – | 6.020 | 0.237 | 16.073 | 10.790 |
6″ | 168 | 6.625 | – | 4.775 | 0.188 | 19.252 | 12.924 |
8″ | 219 | 8.625 | – | 4.775 | 0.188 | 25.233 | 16.940 |
10″ | 273 | 10.750 | – | 4.775 | 0.188 | 31.588 | 21.207 |
12″ | 324 | 12.750 | – | 4.775 | 0.188 | 37.570 | 25.222 |
14″ | 356 | 14.000 | – | 4.775 | 0.188 | 41.308 | 27.732 |
16″ | 406 | 16.000 | – | 4.775 | 0.188 | 47.290 | 21.748 |
18″ | 457 | 18.000 | – | 5.563 | 0.219 | 61.948 | 41.588 |
20″ | 508 | 20.000 | – | 6.350 | 0.250 | 78.547 | 52.733 |
24″ | 610 | 24.000 | – | 6.350 | 0.250 | 94.456 | 63.413 |
30″ | 762 | 30.000 | – | 6.350 | 0.250 | 118.318 | 79.433 |
36″ | 914 | 36.000 | – | 6.350 | 0.250 | 142.180 | 95.453 |
42″ | 1067 | 42.000 | – | 7.925 | 0.312 | 206.914 | 138.911 |
48″ | 1219 | 48.000 | STD | 9.525 | 0.375 | 284.112 | 190.738 |
Pressure Rating of Inconel Alloy ERW Tube
Nominal Size (mm) | Max Internal Pressure (Ksi) | ||||||
300°F | 400°F | 500°F | 600°F | 700°F | 100°F | 200°F | |
16 × 1 | 321 | 318 | 313 | 307 | 300 | 324 | 324 |
12 × 1 | 435 | 431 | 424 | 415 | 407 | 440 | 440 |
6 × 1 | 930 | 921 | 907 | 888 | 869 | 940 | 940 |
10 × 1 | 529 | 524 | 516 | 505 | 494 | 534 | 534 |
8 × 2 | 1462 | 1447 | 1425 | 1395 | 1366 | 1476 | 1476 |
Inconel Alloy EFW Tube – Chemical Composition (% by Mass)
Grade | Ti | Mo | Mn | Co | Al | C | P | B | Ni | Cr | Si | Nb | Fe | Cu | S |
718 | 0.3 | 2.8–3.3 | 0.35 | 1.0 | 0.65–1.15 | 0.08 | 0.015 | 0.006 | 50.0–55.0 | 17.0–21.0 | 0.35 | 4.75–5.5 | Balance | 0.2–0.8 | 0.015 |
625 | 0.4 | 8.0–10.0 | 0.5 | 1.0 | 0.4 | 0.1 | 0.015 | – | 58.0 | 20.0–23.0 | 0.5 | 3.15–4.15 | 5.0 | – | 0.015 |
600 | – | – | – | 1.0 | – | 0.15 | – | – | 72.0 | 14.0–17.0 | 0.5 | – | 6.0–10.0 | 0.5 | 0.015 |
Mechanical Properties of Inconel Round Tube
Grade | Density (g/cm³) | Yield Strength (0.2% Offset) | Tensile Strength | Melting Point | Elongation |
600 | 8.47 | 310 MPa / 45,000 Psi | 655 MPa / 95,000 Psi | 2580°F (1413°C) | 40% |
625 | 8.4 | 517 MPa / 75,000 Psi | 930 MPa / 135,000 Psi | 2460°F (1350°C) | 42.5% |
718 | 8.2 | 482 MPa / 75,000 Psi | 930 MPa / 135,000 Psi | 2460°F (1350°C) | 45% |
Applications of Inconel Tubes
- Chemical & Petrochemical Industry
- Aerospace & Aviation
- Power & Energy Sector
- Marine & Offshore Industry
- Oil & Gas Industry
- Food & Pharmaceutical Industry
- Automotive & Industrial Equipment
- Cryogenic & High-Temperature Applications
Get in Touch
Looking for high-quality inconel Tubes for your industrial project? Contact Kalpataru Piping Solution today to get expert assistance, technical support, and a competitive quote tailored to your requirements.
Request a QuotePeople Ask About Inconel Tubes Manufacturer
Inconel is a nickel-chromium-based superalloy that offers exceptional corrosion resistance, high strength, and stability at extreme temperatures. It is widely used in aerospace for turbine engines, exhaust systems, and other high-temperature components. In the chemical and petrochemical industries, Inconel is used for piping, reactors, and heat exchangers due to its resistance to corrosive chemicals. It is also applied in power plants for boilers, nuclear reactors, and steam generators, as well as in marine and offshore environments for seawater piping and desalination plants.
Inconel tubing refers to pipes and tubes made from Inconel alloy, available in grades such as 600, 601, 625, and 718. These tubes are designed to handle high pressures, extreme temperatures, and highly corrosive or oxidizing environments. Inconel tubing can be manufactured in seamless, welded, ERW, and EFW forms, with custom lengths, wall thicknesses, and finishes. It is commonly used in chemical processing, aerospace, marine, power generation, and oil and gas applications where durability and reliability under harsh conditions are critical.
Inconel tubes are high-performance alloy tubes made from nickel-chromium superalloys. They are known for their long-term reliability in harsh environments and are used for transporting gases or fluids under high temperatures and pressures. Their excellent resistance to oxidation and corrosion makes them suitable for aerospace components, chemical plants, marine pipelines, and power generation equipment.
Inconel 625 tubing is available in standard sizes ranging from 1/8 inch to 8 inch NB, with wall thickness options including SCH5, SCH10, SCH40, SCH80, and SCH160. These tubes can also be supplied in custom sizes and cut-to-length options to suit specific industrial requirements.