Product Overview –Inconel 625 Tubes
Inconel 625 Tubes, are premium nickel-chromium-molybdenum-niobium alloy tubes designed for extreme environments where exceptional corrosion resistance, high mechanical strength, and outstanding fatigue performance are essential. The alloy derives its strength from molybdenum and niobium solid-solution strengthening, eliminating the need for age hardening while maintaining excellent weldability.
Inconel 625 Tubes provide outstanding resistance to seawater, chlorides, pitting, crevice corrosion, oxidation, stress corrosion cracking, and aggressive chemical media. They retain excellent mechanical properties from cryogenic temperatures up to 980°C (1800°F), making them one of the most versatile nickel alloys used across demanding industries.
These tubes are widely used in heat exchangers, condensers, offshore platforms, subsea equipment, desalination plants, marine engineering, aerospace systems, chemical processing plants, refineries, nuclear power plants, and oil & gas production facilities.
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As a trusted supplier, exporter, and stockist of Inconel 625 Tubes,we serve customers across the UAE, Saudi Arabia, Qatar, Oman, Kuwait, Bahrain, India, Africa, Europe, and Southeast Asia, delivering quality products, competitive pricing, and reliable logistics for industrial and infrastructure projects.
Material Specification -Inconel 625 Tubes
Technical Specifications –Inconel 625 Tubes
| Outside Diameter: | 6.35 mm to 114.3 mm |
| Wall Thickness: | 0.5 mm to 12 mm |
| Length: | Up to 18 Meters & Custom Length |
| Pipe Ends: | Plain End, Annealed Ends |
| Product Type | Seamless & Welded Pipes |
| Surface Finish: | Bright Annealed, Pickled, Polished |
| ASTM Seamless: | ASTM B444 |
| ASTM Welded: | ASTM B704 / ASTM B705 |
| Alloy Family: | Nickel-Chromium-Molybdenum Alloy |
| Available Sizes: | ¼", ⅜", ½", ⅝", ¾", 1", 1¼", 1½", 2", 2½", 3", 4" |
Custom lengths and project-specific sizes are available on request.
Third Party Inspection Available
All specifications are in accordance of Inconel 625. Mechanical and chemical values are as per standard limits. Mill Test Certificates (MTC) available upon request.
Chemical Composition –Inconel 625 Tubes
(As per ASTM specification)
| Element | Max (%) |
|---|---|
| Iron (Fe) | ≤5.00 |
| Carbon (C) | ≤0.10% |
| Nickel (Ni) | 58.0 Min% |
| Chromium (Cr) | 20.0 – 23.0% |
| Manganese (Mn) | ≤0.50% |
| Silicon (Si) | ≤0.50% |
| Copper (Cu) | ≤1.00% |
| Sulphur (S) | ≤0.015% |
| Aluminum (Al) | ≤0.40% |
| Molybdenum (Mo) | 8.0 – 10.0% |
| Niobium + Tantalum (Nb + Ta) | 3.15 – 4.15% |
| Phosphorus (P) | ≤0.015% |
| Titanium (Ti) | ≤0.40 |
| Cobalt (Co) | ≤1.00 |
Note: The combination of molybdenum and niobium provides exceptional strength without heat treatment while delivering outstanding resistance to pitting, crevice corrosion, seawater, and aggressive chemical environments.
Mechanical Properties of Inconel 625 Tubes
| Property | Value (Min) |
|---|---|
| Yield Strength (0.2%) | ≥414 MPa |
| Tensile Strength | ≥827 MPa |
| Elongation | ≥30% |
| Melting Point | 1290–1350°C |
| Density | 8.44 g/cm³ |
| Hardness | ≤220 HB |
| Modulus of Elasticity | 205 GPa |
Note :Inconel 625 Tubes combine outstanding mechanical strength with exceptional corrosion resistance, making them suitable for high-pressure, offshore, marine, and high-temperature applications.
Why Choose Inconel 625 Tubes?
Applications of Inconel 625 Tubes
Where Inconel 625 Tubes are used:
- 🔸Chemical Processing Equipment
- 🔸Gas Turbine Exhaust Systems
- 🔸Combustion Chambers
- 🔸Furnace Rollers
- 🔸High Pressure Piping
- 🔸Pressure Vessels
- 🔸Mining Equipment
- 🔸Furnace Components
- 🔸Decorative Steel Projects
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Key Advantages of Inconel 625 Tubes
Best Alternatives to Inconel 625 Tubes
- This process provides:
- 🔸 Better oxidation resistance at higher temperatures
- 🔸 Improved scaling resistance
- 🔸 More economical
Best for:Chemical processing and aggressive acid service
- 🔸 Higher mechanical strength
- 🔸 Better oxidation resistance
- 🔸 Excellent furnace performance
Best for: Thermal processing and heat treatment equipment.
- 🔸 Excellent chloride resistance
- 🔸 High mechanical strength
- 🔸 More economical
Best for: Offshore and desalination applications with cost considerations.