Inconel 625 Boiler Tubes

With in-house quality testing and certification, you can count on quality materials delivered with proper documentation.

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Inconel 625 Boiler Tubes Manufacturer

BOILER TUBES: ASTM B444 Inconel 625 Boiler Tubes | ASME SB444 Inconel 625 Boiler Tubes | DIN 2.4856 Boiler Tubes | UNS N06625 Boiler Tubes | JIS NCF 625 Boiler Tubes | BS NA 21 Boiler Tubes | EN NiCr22Mo9Nb Boiler Tubing | GOST ХН75МБТЮ Boiler Tubes

Inconel 625 Boiler Tubes Manufacturer

ASTM B444 Inconel 625 Boiler Tubes, Inconel BS NA 21 Boiler Tubing, Inconel DIN 2.4856 Boiler Tubes, Inconel Alloy 625 Boiler Tubo, ASME SB444 Inconel 625 Boiler Tubing Manufacturer in India, Inconel 625 Boiler Tubes Supplier in Qatar, Alloy 625 Boiler Tubing Exporter in Australia.

Inconel 625 boiler tubes are heat exchanger tubes made from Inconel 625, a nickel-based superalloy known for its outstanding resistance to high temperatures, corrosion, and oxidation. These tubes are specifically designed for use in boiler applications where they efficiently transfer heat and ensure the integrity of the boiler system.

Inconel 625 is a member of the Inconel alloy family and is primarily composed of nickel (around 58%), chromium (around 20%), molybdenum (around 9%), and niobium (around 5%). This alloy composition gives Inconel 625 its remarkable resistance to corrosion, particularly in aggressive environments, making it an excellent choice for boiler applications where exposure to extreme heat and potentially corrosive conditions is common.

In the context of boiler tubes, these tubes are typically manufactured to comply with ASTM B163, a specification that outlines the requirements for seamless nickel and nickel alloy condenser and heat-exchanger tubes. Inconel 625 boiler tubes designed according to ASTM B163 standards ensure high-quality construction and reliable performance in boiler systems.

The outer diameter of Inconel 625 boiler tubes can vary from 12.70 mm to 50.80 mm, providing versatility to accommodate different boiler system configurations. The wall thickness ranges from 0.71 mm to 5.0 mm, allowing for precise customization based on the specific heat transfer requirements of the boiler.

Moreover, these tubes can be up to 24 meters long, offering flexibility in the design and installation of boiler systems. This extended length minimizes the need for additional connections and potential points of failure, enhancing the overall reliability of the boiler.

Inconel 625 boiler tubes can conform to various international specifications, including ASTM, ASME, DIN EN (German), NF (AFNOR), and JIS (Japan). This international compliance ensures their suitability for use in various global industries and boiler applications, where high-temperature performance and corrosion resistance are essential.

Inconel 625 Seamless Boiler Tubes, Alloy 625 Boiler Tubes Exporter in Dubai, Inconel 625 Boiler Tubing, Inconel GOST ХН75МБТЮ Boiler Tubes, Alloy 625 Boiler Tubes, Inconel N06625 Boiler Tubes, ASTM B444 Inconel 625 Boiler Tubes, Inconel EN NiCr22Mo9Nb Boiler Tubing, Inconel AFNOR NC22DNB4M Boiler Tubes Stockiest, Supplier.

Inconel 625 Boiler Tubes Chemical Composition

Grade C Mn Si S Cu Fe Ni Cr
Inconel 625 0.10max 0.50 max 0.50 max 0.015max 5.0 max 58.0 min 20.0 – 23.0

Alloy UNS N06625 Boiler Tubes Mechanical Properties

Element Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
Inconel 625 8.4 g/cm3 1350 °C (2460 °F) Psi – 1,35,000 , MPa – 930 Psi – 75,000 , MPa – 517 42.5 %

ASTM B444 Inconel 625 Boiler Tubing Equivalent Grades

Inconel 625 2.4856 N06625 NCF 625 NA 21 ХН75МБТЮ NC22DNB4M NiCr22Mo9Nb

Inconel 625 Boiler Tubes Standard Specifications

Spec. No.




ASTM B444 is a standard specification for Nickel- Chromium alloys Pipes and Tubes.

This specification covers nickel-chromium-molybdenum-columbium alloys (UNS N06625 and UNS N06852) and nickel-chromium-molybdenum-silicon alloy (UNS N06219)3 in the form of cold-worked seamless pipe and tube.

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Size Range
  • Outer Diameter: 12.70 mm to 50.80 mm
  • Wall Thickness: 0.71 mm – 5.0 mm
  • Length: Up to 24 mtr long
  • Specifications: ASTM, ASME, DIN EN (GERMAN), NF (AFNOR), JIS (JAPAN)
Supply Condition
  • Bright Annealed / Solution Annealed & Passivated
  • Ability to supply tubes with stringent NDT Testing, Special Chemistry, Lower Residual Stress values.
  • OD Polishing : Grit Polish from 120 to 600.
  • Closer Dimensional Tolerance & higher Corrosion Resistance etc.
Inconel 625 Boiler Tubes Quality Control

To ensure a quality product, MPJ is holding certificate ISO 9001:2015, ISO 45001, OHSAS 16251, & CE-PED. We are also members of various renowned agencies and Chambers of Commerce including MASSMA, EEPC, FICCI, FIEO, Indian Merchants Chamber, etc. With state-of-the-art manufacturing processes, contemporary technologies, and proficient services, we consider: offering the finest quality, best in class products. Compliance with specifications as per standards, Outer Diameter, Thickness, Inside Diameter, Inside Finish, Marking, Ends, and Finishing. This ensures that we never face a rejection of the Inconel 625 Boiler Tubes supplied.

Brand –

625 Inconel Boiler Tubing are marked in requirement of the international standards.

This marking helps for the identification of the Alloy 625 Boiler Tubes and supported with the Material Test Report. It is 100% traceable to our mill.

Inconel 625 Boiler Tubes Packing & Documentation

Inconel 625 Boiler Tubes Packing & Documentation

ASTM B444 Inconel 625 Boiler Tubes are surface wash and clean to remove all impurities and stock in the warehouse. Then it is wrapped in thin plastic and also it ends are protected by plastic caps to avoid any damage in transit. 625 Inconel Boiler Tubes is bundled in bubble wrap followed by assorting them in colored plastic bundles. An outer rope is tied to protect the tubing and they are packed in wooden box or container.

MPJ Provide Alloy 625 Boiler Tubes and Inconel UNS N06625 Boiler Tubes with all necessary documents such as commercial invoice, packing list, Test Reports, HS Code, Country of Origin attested by the chamber of commerce, Fumigation Certificate, Warranty Letter, and Base Material Certificates. Every lot is supplied with a material test certificate as per EN 10204 NACE 3.1 standards indicating the chemical and mechanical properties of the Inconel 625 Boiler Tubing.

We also confirm the guarantee of the Inconel 625 Boiler Tubes supplied as per Purchase order specifications and attest the same in the Material Test Certificate. We also welcome any third party inspection from an agency nominated by the customer to comply with NACE 3.2 Certification if required by the customer at an extra cost.

Inconel 625 Boiler Tubes Application Industries

  • Oil & Gas Exploration
  • Petrochemicals and Refineries
  • Cross Country Pipe Line for Gas & Water
  • Pipes for Engineering purpose
  • Thermal, Nuclear and Solar Power Plants
  • Desalination Plants
  • Chemical Industries
  • Aerospace
  • Atomic Energy
  • Pharmaceutical
  • Food and Dairy
  • Automobile
Chemical Industries
Chemical Industries
Cross Country Pipe Line for Gas and Water
Cross Country Pipe Line
Oil and Gas Exploration
Oil and Gas Exploration
Petrochemicals and Refineries
Petrochemicals and Refineries
Thermal, Nuclear and Solar Power Plants
Thermal, Nuclear and Solar Power Plants

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