Inconel 625 Tubes Manufacturer & Suppliers in India
Kalpataru Piping Solutions supplies premium Inconel 625 tubes manufactured to ASTM B444 standards for seamless construction and ASME SB704 for welded variants. Our alloy 625 tubing is available in two grades: Grade 1 annealed tubes offer excellent formability and corrosion resistance, while Grade 2 solution-annealed tubes deliver superior strength for high-temperature and high-pressure environments.
With over 15 years of experience in nickel alloy tube manufacturing, Kalpataru Piping Solutions holds ISO 9001:2015 certification and maintains ASTM-compliant production facilities in Mumbai. We export Inconel 625 tubes to 35+ countries across marine, chemical, and aerospace industries, backed by full mill test certificates and third-party inspection support.
All Inconel 625 seamless tubing undergoes rigorous mechanical testing including tensile strength, yield strength, and elongation verification to meet ASTM B444 requirements. As a trusted inconel 625 tube supplier in India, we provide tubes with exceptional fatigue strength, oxidation resistance, and chloride corrosion resistance for demanding applications in chemical processing, marine systems, aerospace, and high-temperature exhaust systems.
ASME SB704 Inconel 625 ERW Tubes, DIN 2.4856 Tubing, SB444 Alloy 625 Seamless Pipes, Inconel 625 Condenser & Heat-Exchanger Tubes Exporter in India.
Table of Contents
- Inconel 625 Pipes and Tubes Specification
- Inconel 625 Pipe and Tube Types
- Inconel Alloy 625 Tube Equivalent Standard Grade
- Inconel 625 Tubes Chemical Composition
- Inconel 625 Tubing Mechanical Properties
- Inconel 625 Tube Sizes in MM
- Applications of Inconel 625 Tubes
- Other Available Stock of Inconel Alloy 625 Pipes & Tubes
- FAQ’s About Inconel 625 Tubes
ASTM B444 Inconel 625 Tube Specifications
Inconel 625 tubing is manufactured to stringent international standards including ASTM B444 for seamless tubes and ASME SB704 for welded tubes, ensuring consistent quality and performance in high-temperature, high-pressure, and corrosive environments.
Specification | Details |
Standards | ASTM B444, ASTM B704, ASTM B705 / ASME SB444, ASME SB704, ASME SB705 |
Material Grade | Inconel 625 (UNS N06625 / W.Nr. 2.4856) |
Pipe Size | 15 NB to 150 NB (½″ to 6″) |
Schedule | SCH 20, SCH 30, SCH 40, STD, SCH 60, SCH 80, XS, SCH 120, SCH 140, SCH 160, XXS |
Length | Single Random, Double Random, Custom Cut Length |
Manufacturing Type | Seamless, ERW, Welded, Cold Drawn, Capillary Tubes |
End Type | Plain End (PE), Beveled End (BE), Threaded |
Inconel 625 Tube Heat Treatment Options
Kalpataru Piping Solutions offers Inconel 625 seamless tubing in two heat-treated conditions to match your application requirements:
Grade 1 (Annealed): Heat-treated at 1900-2050°F (1038-1121°C) followed by rapid cooling. This condition provides optimal ductility and formability for bending, flaring, and fabrication work. Recommended for complex tube configurations and moderate-temperature service.
Grade 2 (Solution Annealed): Heat-treated at 2050-2150°F (1121-1177°C) for enhanced mechanical properties. This condition delivers higher tensile and yield strength for demanding high-pressure, high-temperature applications in chemical processing and power generation.
Surface Finish & Packaging: Available finishes: bright annealed (BA), pickled and passivated, or mill finish. All Inconel 625 tubes are supplied with plastic end caps, bundled with steel strapping, and packed in wooden crates for export shipments. Custom marking and third-party inspection can be arranged upon request
Inconel 625 Pipe and Tube Types




Inconel Alloy 625 Tube Equivalent Standard Grade
Inconel Alloy 625 Tubes are available in multiple international standard grades to meet diverse industry requirements. These equivalents ensure compatibility and consistency in global procurement and manufacturing
Standard | UNS | W.Nr. | EN | AFNOR | BS | JIS | GOST |
Inconel 625 | N06625 | 2.4856 | NiCr22Mo9Nb | NC22DNB4M | NA21 | NCF 625 | ХН75МБТЮ |
Inconel 625 Tubes Chemical Composition
Inconel 625 tubes are made from a nickel-chromium alloy known for its high strength and excellent resistance to oxidation and corrosion.
Grade | C | Mn | Si | P | S | Cr | Mo | Nb + Ta | Al | Ti | Fe | Ni |
Inconel 625 | 0.10 max | 0.50 max | 0.50 max | 0.015 max | 0.015 max | 20.0 – 23.0 | 8.0 – 10.0 | 3.15 – 4.15 | 0.40 max | 0.40 max | 5.0 max | 58.0 min |
Inconel 625 Tubing Mechanical Properties
Inconel 625 tubing delivers exceptional strength, heat resistance, and corrosion protection, making it suitable for demanding industrial environments. Its high tensile and yield strength allow reliable performance under extreme pressure and temperature
Property | Value |
Tensile Strength | 930 MPa (135,000 psi) |
Yield Strength (0.2% Offset) | 517 MPa (75,000 psi) |
Elongation | 42.5 % |
Inconel 625 Physical Properties
Property | Value |
Density | 8.44 g/cm³ |
Melting Point | 1290 – 1350 °C (2350 – 2460 °F) |
Inconel 625 Tube Sizes (OD, Wall Thickness & Weight)
Outside Diameter (mm) | Outside Diameter (inch) | 25 BWG (kg/m) | 22 BWG (kg/m) | 20 BWG (kg/m) | 18 BWG (kg/m) | 16 BWG (kg/m) | 14 BWG (kg/m) | 12 BWG (kg/m) | 10 BWG (kg/m) |
6.35 | 1/4 | 0.081 | 0.109 | 0.133 | 0.174 | 0.212 | — | — | — |
9.53 | 3/8 | 0.126 | 0.157 | 0.193 | 0.257 | 0.356 | 0.429 | — | — |
12.70 | 1/2 | — | 0.214 | 0.263 | 0.356 | 0.457 | 0.612 | 0.754 | — |
15.88 | 5/8 | — | 0.271 | 0.334 | 0.455 | 0.588 | 0.796 | 0.995 | — |
19.05 | 3/4 | — | 0.327 | 0.405 | 0.553 | 0.729 | 0.895 | 1.236 | — |
25.40 | 1 | — | 0.440 | 0.546 | 0.750 | 0.981 | 1.234 | 1.574 | 2.050 |
31.75 | 1 1/4 | — | 0.554 | 0.688 | 0.947 | 1.244 | 1.574 | 2.014 | 2.641 |
38.10 | 1 1/2 | — | 0.667 | 0.832 | 1.144 | 1.514 | 1.904 | 2.454 | 3.233 |
44.50 | 1 3/4 | — | — | — | 1.342 | 1.774 | 2.244 | 2.894 | 3.500 |
50.80 | 2 | — | — | — | 1.549 | 2.034 | 2.574 | 3.334 | 4.030 |
63.50 | 2 1/2 | — | — | — | 1.949 | 2.554 | 3.244 | 4.214 | 5.130 |
76.20 | 3 | — | — | — | 2.345 | 3.084 | 3.914 | 5.094 | 6.190 |
88.90 | 3 1/2 | — | — | — | 2.729 | 3.609 | 4.584 | 5.974 | 7.270 |
101.60 | 4 | — | — | — | — | 4.134 | 5.254 | 6.854 | 8.350 |
114.30 | 4 1/2 | — | — | — | — | 4.654 | 5.924 | 7.734 | 9.430 |
Weight Chart of Inconel 625 Tubing
Dimensions (mm) | 1.20 mm WT (kg/m) | 1.50 mm WT (kg/m) | 2.00 mm WT (kg/m) | 3.00 mm WT (kg/m) |
12.7 × 12.7 | 0.44 | 0.55 | — | — |
15 × 15 | 0.53 | 0.65 | — | — |
20 × 20 | 0.71 | 0.88 | 1.19 | — |
25 × 25 | 0.92 | 1.14 | 1.49 | 2.20 |
30 × 30 | 1.10 | 1.37 | 1.84 | 2.72 |
40 × 40 | 1.49 | 1.85 | 2.45 | 3.75 |
50 × 50 | — | 2.32 | 3.08 | 4.65 |
60 × 60 | — | — | 3.71 | 5.49 |
70 × 70 | — | — | — | 6.53 |
80 × 80 | — | — | 4.98 | 7.53 |
100 × 100 | — | — | 6.40 | 9.53 |
Inconel 625 Tubing Price Factors
Inconel 625 tube prices in India vary based on several factors. Tube diameter, wall thickness, and schedule significantly impact cost — thicker walls and heavier schedules command premium pricing due to higher raw material content. Heat treatment condition also affects pricing, with solution-annealed Grade 2 tubes typically 10-15% higher than annealed Grade 1.
Manufacturing type influences cost as well: cold-drawn seamless tubing has tighter tolerances and cleaner finish compared to welded tubes, reflected in pricing. Order quantity matters — bulk orders of 500 kg or more qualify for volume discounts. For current Inconel 625 tube price quotes based on your specifications, contact our sales team.
Contact Kalpataru Piping Solutions for technical specifications, pricing, and delivery timelines. We provide custom cut lengths and expedited shipping across India and internationally.
Related Inconel & Incoloy Tube Products
Industrial Applications of Alloy 625 Tubing
- Chemical Processing Industry: Inconel 625 tubes are widely used in chemical processing plants for equipment such as heat exchangers, piping systems, and reactors that handle highly corrosive substances including acids, alkalis, and aggressive chemicals. Their superior resistance to oxidation and corrosion ensures long service life in harsh environments.
- Oil and Gas Industry: These tubes are commonly used in offshore platforms, high-pressure piping systems, downhole tubing, and processing equipment. Inconel Alloy 625 provides excellent strength and corrosion resistance in extreme temperature and pressure conditions typically found in oil and gas operations.
- Marine and Seawater Systems: Due to their outstanding resistance to chloride-induced corrosion, Inconel 625 tubes are ideal for marine applications such as desalination plants, subsea components, and seawater heat exchangers.
- Aerospace Industry: Inconel 625 tubing is widely used in aerospace components including exhaust systems, turbine ducting, aircraft engine parts, and other high-temperature structural tubing where strength and heat resistance are essential.
- Power Generation: Inconel 625 tubes are also used in power plants for boilers, turbine seals, and heat-transfer systems that operate under extremely high temperatures and mechanical stress.
Need Inconel 625 tubes for your project?
Contact Kalpataru Piping Solutions for technical specifications, pricing, and delivery timelines. We provide custom cut lengths and expedited shipping across India and internationally.
Other Available Stock of Inconel Alloy 625 Pipes & Tubes
- Inconel 625 Capillary Tubes Trader
- Nickel Alloy UNS N06625 Seamless Tube
- ASTM B444 Inconel 625 Seamless Tubing
- ASTM B705 Inconel 625 Welded Pipes Dealer
- Inconel 625 Condenser Tube Distributor
- Inconel 625 Heat-Exchanger Tubing
- Inconel JIS NCF 625 Tube Stockholder
- Nickel Alloy 625 Tubes Exporter
- ASME SB705 Inconel 625 ERW Pipes
- Inconel UNS N06625 Welded Tube
- Inconel DIN 2.4856 Seamless Tubes
- Inconel 625 Tube Suppliers
- Inconel 625 Tube Sizes
- Seamless Alloy UNS N06625 Tubes
- Inconel 625 Tube Manufacturers
- Inconel DIN 2.4856 Welded Tubes
- Inconel 625 Tube Price List
- Inconel 625 Tube Price in India
- Inconel 625 Capillary Tubing
- Inconel 625 Pipes Supplier in India
- B444 Inconel 625 Capillary Tubing
- SB704 Inconel Alloy 625 ERW Tubing
FAQ’s About Inconel 625 Tubes
Inconel 625 tubing is a nickel-chromium-molybdenum-niobium alloy tube designed for very high strength and corrosion resistance, especially in aggressive or high-temperature environments.
Yes. Due to its excellent resistance to chloride pitting and stress-corrosion cracking, Inconel 625 is widely used in seawater heat exchangers, offshore systems, and desalination plants.
Key industries include oil & gas, petrochemical, aerospace, power generation, marine engineering, and pollution-control equipment.
They are commonly supplied in seamless, welded, cold-drawn, and ERW forms, depending on pressure needs and industry requirements.
Suppliers and Exporters of Inconel 625 Tubes in Countries Like
Egypt, Azerbaijan, Brazil, Nigeria, Namibia, Serbia, Bolivia, Greece, Indonesia, Bahrain, Kuwait, Mongolia, Romania, Singapore, Sweden, Hungary, Ukraine, United Kingdom, Sri Lanka, Denmark, Bangladesh, Iran, Yemen, Kazakhstan, Thailand, Poland, South Africa, Lithuania, China, Iran, Kenya, Argentina, Afghanistan, Macau, Chile, Puerto Rico, Czech Republic, Peru, Netherlands, Ecuador, Gabon, Finland, Gambia, Belgium, Morocco, Jordan, France, Lebanon, Portugal, mexico, Philippines, Taiwan, South Korea, Nepal, thailand, Hong Kong, Germany, Poland, Chile, Canada, malaysia, Slovakia, Venezuela, srilanka, Zimbabwe, Ireland, Croatia, Australia, Mexico, Turkey, Vietnam, Tunisia, Colombia, United States, United Arab Emirates, Oman, Italy, Russia, India, brazil, Libya, cyprus, Norway, New Zealand, Qatar, Japan, Ghana, Bhutan, Saudi Arabia, Bulgaria, Estonia, Belarus, Nigeria, Austria, Israel, Costa Rica, Algeria, Switzerland, Trinidad & Tobago, Spain, Malaysia, Tibet, Mexico.