Inconel
Stellanox Steel supplies premium-grade Inconel® alloys, designed for extreme environments that require exceptional heat resistance, mechanical strength, and corrosion protection. With their ability to maintain structural integrity at high temperatures and in corrosive atmospheres, Inconel products are widely used in aerospace, chemical processing, marine engineering, nuclear reactors, and gas turbines.
We offer a full range of Inconel grades including Inconel 600, 625, 718, and X-750, available in sheets, plates, bars, pipes, tubes, fittings, and fasteners.
What are Inconel Alloys?
| Products |
|---|
|
Stainless Steel |
|
Carbon Steel |
|
Duplex Stainless Steel |
|
Super Duplex Stainless Steel |
|
Alloy Steel |
|
Titanium |
|
Hastelloy |
|
Inconel |
|
Monel |
|
Aluminium |
|
Copper |
|
Pure Nickel |
|
Flanges |
|
Forged Fittings |
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Valves |
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Fasteners |
Inconel Products
- Inconel Sheet
- Inconel Tube
- Inconel Pipe Fittings
- Inconel Forged Fittings
- Inconel Round Bar
Key Features
Excellent Strength at Elevated Temperatures
Superior Oxidation and Corrosion Resistance
High-Performance in Extreme Pressure and Stress
Non-Magnetic and Thermally Stable
Excellent Weldability and Fabricability
Wide Range of Grades for Versatile Industrial Use
Specification
| Property | Details |
|---|---|
| Product Forms | Sheets, Plates, Tubes, Pipes, Bars, Rods, Forgings, Fittings |
| Grades Available | Inconel 600, 625, 718, X-750 |
| Standards | ASTM B163, B168, B446, B564, B443, B637, ASME SB Series, AMS, ISO |
| Melting Range | 1350°C – 1390°C |
| Density | ~8.44 – 8.71 g/cm³ |
| Heat Treatment | Solution Annealed, Precipitation Hardened, Cold Worked |
| Testing & Certification | EN 10204 3.1/3.2, PMI, IGC, NDT, Ultrasonic, NACE MR0175 Compliant |
Chemical Composition
| Element | Composition (%) |
|---|---|
| Nickel (Ni) | ≥ 58.0 |
| Chromium (Cr) | 20.0 – 23.0 |
| Molybdenum | 8.0 – 10.0 |
| Iron (Fe) | ≤ 5.0 |
| Niobium (Nb) | 3.15 – 4.15 |
| Carbon (C) | ≤ 0.10 |
Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | ≥ 827 MPa |
| Yield Strength | ≥ 414 MPa |
| Elongation | ≥ 30% |
| Hardness | ≤ 220 HB |
| Density | ~8.44 g/cm³ |
Equivalent Grades
| Standard | Equivalent Grade |
|---|---|
| UNS | N06600, N06625 |
| ASTM | B168, B443, B564 |
| DIN / EN | 2.4816, 2.4856 |
| ISO | NiCr15Fe, NiCr22Mo9Nb |
Weight
| Grade | Common Name | Unit (Form/Size) | Approx. Weight |
|---|---|---|---|
| UNS N06625 | Inconel 625 | Sheet 3 mm (kg/m²) | 24.75 kg |
| UNS N07718 | Inconel 718 | Round Bar Ø40 mm (kg/m) | 11.59 kg |
| ASTM B443 | Plate (Inconel 625) | Plate 6 mm (kg/m²) | 49.50 kg |
| ASTM B444 | Seamless Pipe | Pipe OD 50.8 mm, WT 3 mm (kg/m) | 3.05 kg |
| ASTM B705 | Welded Pipe | Pipe OD 76.2 mm, WT 3.5 mm (kg/m) | 5.15 kg |
| ASTM B564 | Forged Fittings | Elbow 2" (avg. wt) | 0.53 kg |
Applications
Aerospace: Jet engines, turbine blades, exhaust systems, heat shields
Chemical Processing: Heat exchangers, reactor vessels, acid evaporators
Nuclear Industry: Core components, fuel rod sheaths, containment vessels
Power Plants: Boiler tubes, steam turbine blades, gas heaters
Marine Systems: Seawater piping, valve components, propulsion equipment
Oil & Gas Industry: Sour gas handling, flexible piping, offshore rigs
Benefits
Performs in Highly Corrosive and Thermal Shock-Prone Environments
Retains Mechanical Integrity at Elevated Temperatures
Superior Creep and Fatigue Resistance
Low Thermal Expansion – Excellent for Precision Assemblies
Cost-Efficient in High-Maintenance Environments Due to Durability
Globally Approved for Critical, Mission-Ready Applications
2025 Stellanox Steel |