Inconel 625 Pipes Supplier in India

What are Inconel 625 Pipes?

Inconel 625 Pipes are nickel-chromium-molybdenum alloy pipes developed for demanding applications requiring high strength, excellent corrosion resistance and reliable performance across a wide range of temperatures. The alloy is particularly suitable for severe corrosive environments where high mechanical strength and resistance to localized corrosion are important.

The combination of nickel, chromium, molybdenum and niobium in Inconel 625 Pipes provides excellent resistance to pitting, crevice corrosion and chloride-ion stress-corrosion cracking. The alloy also offers good resistance to oxidation and can maintain its mechanical properties in demanding high-temperature service conditions.

Inconel 625 Pipes are used in chemical processing, petrochemical plants, marine and offshore equipment, oil and gas systems, aerospace applications, power generation, pollution control equipment and other industries exposed to corrosive and high-temperature environments. They are available in different outside diameters, wall thicknesses, schedules and lengths according to applicable standards and project requirements.

Kamal Steels is an Inconel 625 Pipes Supplier & Exporter in India, supplying Inconel 625 Pipes in standard and customized sizes, schedules, wall thicknesses and lengths. Products can be supplied with applicable testing, inspection, material certificates and documentation according to customer and project specifications.

Inconel 625 Pipes

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Inconel 625 Pipe Specifications

Kamal Steels supplies and exports Inconel 625 Pipes manufactured in accordance with internationally recognized ASTM, ASME, and DIN standards. Produced from premium-quality Inconel Alloy 625, these pipes provide exceptional resistance to pitting, crevice corrosion, chloride stress corrosion cracking, oxidation, and high-temperature service. Our Inconel 625 Pipes are available in seamless and welded forms with multiple sizes, schedules, wall thicknesses, and custom lengths to meet the demanding requirements of offshore, marine, petrochemical, aerospace, nuclear, and chemical processing industries.

Product Inconel 625 Pipes
Material Grade Inconel Alloy 625 (UNS N06625 / WNR 2.4856)
Specifications ASTM B444, ASTM B705, ASME SB444, ASME SB705
Pipe Type Seamless & Welded
Outside Diameter ½" NB to 24" NB
Wall Thickness SCH 5S to SCH XXS
Length Single Random, Double Random, 6 Meter & Custom Cut Lengths
End Type Plain End, Bevelled End, Threaded End
Surface Finish Annealed, Pickled, Bright Annealed, Polished
Certification EN 10204 3.1 Mill Test Certificate (MTC)

Inconel 625 Pipe Size Chart

Inconel 625 Pipes are available in a wide range of nominal pipe sizes, outside diameters, wall thicknesses, and schedules. Size selection depends on flow requirements, pressure, temperature, corrosion conditions, and project specifications.

Nominal Pipe Size (NPS) Outside Diameter (mm) Common Schedule Options
1/2" 21.3 Sch 5, 10, 40, 80
1" 33.4 Sch 5, 10, 40, 80
2" 60.3 Sch 5, 10, 40, 80
3" 88.9 Sch 10, 40, 80
4" 114.3 Sch 10, 40, 80
6" 168.3 Sch 10, 40, 40S, 80
8" 219.1 Sch 10, 40, 40S, 80
10" 273.1 Sch 10, 40, 40S, 80
12" 323.9 Sch 10, 40, 40S, 80

Inconel 625 Pipe Weight Chart

The weight of an Inconel 625 Pipe depends on its outside diameter, wall thickness, length, and material density. Pipes with heavier schedules have greater wall thickness and therefore higher weight per metre.

Pipe Size Outside Diameter (mm) Schedule Wall Thickness (mm) Approx. Weight (kg/m)
1" 33.4 Sch 40 3.38 2.91
2" 60.3 Sch 40 3.91 6.78
3" 88.9 Sch 40 5.49 13.10
4" 114.3 Sch 40 6.02 17.65
6" 168.3 Sch 40 7.11 28.70
8" 219.1 Sch 40 8.18 42.20

The values are approximate and should be confirmed against the actual pipe dimensions, material density, dimensional tolerances, and applicable product standard.

Inconel 625 Pipe Schedule Chart

The Inconel 625 Pipe Schedule indicates the wall thickness associated with a nominal pipe size. Schedule selection depends on design pressure, operating temperature, mechanical loading, corrosion allowance, and applicable piping standards.

Schedule General Description Typical Consideration
Sch 5 Light wall Lightweight and lower-pressure applications
Sch 10 Light to medium wall General industrial piping applications
Sch 40 Standard wall Common pressure piping applications
Sch 80 Heavy wall Higher-pressure applications
Sch 160 Extra heavy wall Special high-pressure applications

ASTM B444 Inconel 625 Pipe

ASTM B444 Inconel 625 Pipes are nickel-chromium-molybdenum alloy seamless pipes manufactured from UNS N06625 material. The specification covers nickel-chromium-molybdenum-columbium alloys and is used for pipe products intended for applications requiring corrosion resistance and high-temperature performance.

Inconel 625 derives its corrosion resistance and strength from its alloying elements, particularly chromium, molybdenum, and niobium. It is commonly selected for environments involving chlorides, seawater, acids, and other aggressive media.

Specification Inconel 625 Pipe
ASTM ASTM B444
ASME ASME SB444
UNS N06625
Grade Inconel 625
Material Nickel-Chromium-Molybdenum Alloy
Product Form Seamless Pipe and Tube

Inconel 625 Pipe Features

Inconel 625 Pipes offer a combination of high mechanical strength and resistance to severe corrosive environments. These characteristics make the alloy suitable for chemical processing, marine, offshore, aerospace, and high-temperature applications.

  • Excellent resistance to pitting and crevice corrosion.
  • High resistance to chloride-ion stress-corrosion cracking.
  • Excellent resistance to seawater and marine environments.
  • Good oxidation resistance at elevated temperatures.
  • High tensile and yield strength.
  • Good resistance to a range of acidic and corrosive environments.
  • Good weldability and fabrication characteristics.
  • Suitable for demanding high-temperature and pressure applications.

Inconel 625 Pipe Chemical Composition

Inconel 625 is a nickel-based alloy containing chromium, molybdenum, and niobium as major alloying elements. Its chemical composition provides a combination of strength and resistance to localized corrosion and aggressive chemical environments.

Element Composition (%)
Nickel 58.0 min.
Chromium 20.0 - 23.0
Molybdenum 8.0 - 10.0
Niobium + Tantalum 3.15 - 4.15
Iron 5.0 max.
Cobalt 1.0 max.
Carbon 0.10 max.
Manganese 0.50 max.
Silicon 0.50 max.
Aluminium 0.40 max.
Titanium 0.40 max.

Chemical composition values should be verified against the applicable material specification and the material test certificate supplied with the pipes.

Inconel 625 Pipe Mechanical Properties

Inconel 625 Pipes provide high tensile and yield strength together with good ductility. The actual mechanical properties depend on product form, dimensions, heat-treatment condition, and applicable specification.

Mechanical Property Minimum Value*
Tensile Strength 827 MPa
Yield Strength 414 MPa
Elongation 30%

*Mechanical property requirements should be confirmed against the applicable ASTM/ASME specification, product dimensions, heat-treatment condition, and material test certificate.

Inconel 625 Pipe Equivalent Grades

Inconel 625 is identified using different international designation systems. These designations help identify the same alloy across material standards, engineering documents, and procurement specifications.

Standard / Designation Equivalent Grade
UNS N06625
Werkstoff Number 2.4856
Common Trade Name Inconel 625
EN Designation NiCr22Mo9Nb

Equivalent-grade designations should be checked against the applicable product standard before material substitution or project approval.

Inconel 625 Pipe vs Other Inconel Grades

Different Inconel Grades are selected according to the required combination of strength, temperature resistance, oxidation resistance, and corrosion performance. Inconel 625 is particularly suited to severe corrosive environments and applications requiring high mechanical strength.

Grade Main Characteristics Typical Selection
Inconel 600 Good corrosion and oxidation resistance Chemical processing and heat-resistant applications
Inconel 601 Excellent high-temperature oxidation resistance Heat treatment and thermal processing equipment
Inconel 625 High strength and excellent resistance to severe corrosion Marine, chemical, offshore, oil and gas, and aerospace applications
Inconel 718 Very high strength and good high-temperature performance Aerospace and high-strength applications

The appropriate Inconel grade should be selected based on operating temperature, pressure, chemical environment, corrosion mechanism, and required mechanical properties.

Inconel 625 Pipe Applications

Inconel 625 Pipes are used in applications requiring high strength and resistance to aggressive chemical and marine environments. The alloy is suitable for both elevated-temperature service and severe corrosion conditions.

Application Typical Use
Oil & Gas Equipment Process piping and components exposed to corrosive oil and gas environments.
Marine Equipment Seawater piping, marine systems, and corrosion-resistant components.
Offshore Equipment Offshore piping and equipment exposed to seawater and harsh conditions.
Chemical Processing Process piping and equipment exposed to corrosive chemicals.
Petrochemical Equipment High-strength piping and components for demanding process systems.
Aerospace Applications Selected engine, exhaust, and high-temperature system components.
Power Generation Selected high-temperature and corrosion-resistant piping systems.
Pollution Control Equipment Gas-handling and corrosion-resistant process equipment.

Industries Using Inconel 625 Pipes

Inconel 625 Pipes are used across industries where high strength, corrosion resistance, and dependable performance in demanding environments are required.

Industry Typical Applications
Oil & Gas Industry Process piping, offshore systems, and corrosion-resistant equipment.
Marine Industry Seawater systems, marine piping, and offshore equipment.
Chemical Industry Corrosive process piping and chemical processing equipment.
Petrochemical Industry Process systems and high-strength corrosion-resistant components.
Aerospace Industry High-temperature and high-strength aerospace components.
Power Generation Industry Selected high-temperature and corrosion-resistant systems.
Pollution Control Industry Corrosion-resistant gas-handling and process equipment.
Industrial Manufacturing Specialized equipment operating under severe temperature and corrosion conditions.

Kamal Steels supplies Inconel 625 Pipes in different sizes, schedules, wall thicknesses and lengths according to customer and project requirements.

Frequently Asked Questions

Inconel 625 Pipes are manufactured from Inconel Alloy 625 (UNS N06625), a nickel-chromium-molybdenum alloy strengthened with niobium that offers exceptional corrosion resistance, high strength and excellent performance in extreme industrial environments.

Inconel 625 Pipes are supplied according to ASTM B444, ASTM B705, ASME SB444, and ASME SB705 standards, ensuring superior quality, dimensional accuracy, and reliable industrial performance.

Inconel 625 Pipes provide exceptional resistance to pitting, crevice corrosion, seawater corrosion, chloride stress corrosion cracking, oxidation, thermal fatigue, and high-pressure service while maintaining excellent mechanical strength.

Inconel 625 Pipes are widely used in offshore oil & gas platforms, marine engineering, petrochemical plants, chemical processing facilities, nuclear power stations, aerospace applications, desalination plants, and power generation industries.

Yes. Inconel 625 Pipes are available in both seamless and welded forms in various sizes, schedules, wall thicknesses, and custom lengths to meet industrial and project-specific requirements.

Every Inconel 625 Pipe undergoes Positive Material Identification (PMI), Hydrostatic Testing, Ultrasonic Testing (UT), Chemical Analysis, Mechanical Testing, Hardness Testing, Dimensional Inspection, and Visual Examination before dispatch.

Yes. Inconel 625 offers exceptional resistance to seawater corrosion, pitting, crevice corrosion, and marine environments, making it an ideal material for offshore and marine applications.

Inconel 625 contains molybdenum and niobium, providing significantly higher strength and much better resistance to pitting, crevice corrosion, and seawater than Inconel 600.

Yes. Every shipment includes EN 10204 3.1 Mill Test Certificates, complete material traceability, inspection reports, and third-party inspection certificates upon customer request.

Kamal Steels is a trusted supplier and exporter of Inconel 625 Pipes, offering certified materials, ready stock, competitive pricing, strict quality control, export-quality packaging, complete documentation, and timely worldwide delivery for critical industrial projects.