Inconel 601 (UNS N06601)
Introduction of Inconel 601 (UNS N06601)
Inconel 601 is a nickel-chromium alloy with excellent resistance to oxidation at high temperatures. It also provides good carburization resistance and maintains mechanical stability under thermal cycling conditions, making it suitable for industrial furnace and high-temperature processing environments.
Chemical Composition
| Element | Content (%) |
|---|---|
| Nickel (Ni) | 58.0 – 63.0 |
| Chromium (Cr) | 21.0 – 25.0 |
| Iron (Fe) | Balance |
| Aluminum (Al) | 1.0 – 1.7 |
| Carbon (C) | ≤0.10 |
| Manganese (Mn) | ≤1.0 |
| Silicon (Si) | ≤0.5 |
Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | ≥ 650 MPa |
| Yield Strength (0.2%) | ≥ 240 MPa |
| Elongation | ≥ 30% |
| Hardness | ≤ 80 HRB |
Physical Properties
| Property | Value |
|---|---|
| Density | 8.11 g/cm³ |
| Melting Range | 1360 – 1411 °C |
| Thermal Conductivity | 11.2 W/m·K |
| Electrical Resistivity | 1.23 μΩ·m |
Standards and Product Forms
| Product Form | ASTM Standard | UNS | Condition | Typical Application |
|---|---|---|---|---|
| Seamless Pipe | ASTM B167 | N06601 | Annealed | High Temperature Furnace Tubes, Chemical Processing Equipment |
| Welded Pipe | ASTM B517 | N06601 | Annealed | Industrial Piping Systems, Heat Resistant Service |
| Seamless Tube | ASTM B167 | N06601 | Annealed | Heat Exchangers, Thermal Processing Equipment |
| Welded Tube | ASTM B517 | N06601 | Annealed | Instrumentation Tubing, Process Systems |
| Plate / Sheet / Strip | ASTM B168 | N06601 | Annealed | Furnace Linings, Heat Treatment Equipment |
| Bar / Rod | ASTM B166 | N06601 | Hot Finished / Annealed | Fixtures, Fasteners, Machined Components |
| Forgings | ASTM B564 | N06601 | Solution Annealed | High Temperature Structural Components |
| Flanges | ASTM B564 | N06601 | Annealed | Pressure Piping Systems |
| Pipe Fittings | ASTM B366 | N06601 | Annealed | Elbows, Tees, Reducers, Pipe Connections |
Material Features
- Excellent oxidation resistance at high temperatures
- Superior carburization resistance in furnace environments
- Good mechanical stability under thermal cycling
- High strength and structural integrity at elevated temperatures
- Resistant to scaling and oxidation up to ~1200°C
- Suitable for long-term high-temperature service
Key Applications
- Industrial furnaces and heat treatment equipment
- Radiant tubes and burner components
- Petrochemical processing equipment
- Thermal processing and heat-treating fixtures
- Gas turbines and high-temperature exhaust systems
- Power generation equipment
- Cement and heat-resistant industrial systems
- High-temperature structural components
Available Product Forms
Inconel 601 is available in multiple mill forms to support different industrial applications and processing requirements.
- Inconel 601 Pipe – Seamless and welded pipe for high-temperature systems
- Inconel 601 Tube – Precision tubing for heat exchangers and instrumentation
- Inconel 601 Bar – High-strength bars for machining and structural parts
- Inconel 601 Sheet & Plate – Flat products for furnace and fabrication use
Inconel 601 vs Inconel 600
Both alloys are nickel-chromium-based materials, but Inconel 601 is specifically engineered for improved high-temperature oxidation and carburization resistance.
| Property | Inconel 600 | Inconel 601 |
|---|---|---|
| Primary Strength | Corrosion resistance & versatility | High-temperature oxidation resistance |
| Max Service Temperature | ~1000°C | ~1200°C |
| Carburization Resistance | Moderate | Excellent |
| Best Application Focus | Chemical & general industrial use | High-temperature furnace environments |
Related Products
Inconel 600
General-purpose nickel-chromium alloy for high-temperature and corrosion-resistant applications.
Learn More →Inconel 625
High-strength corrosion-resistant alloy for marine and chemical processing environments.
Learn More →Inconel 718
Precipitation-hardened nickel alloy for aerospace and high-stress applications.
Learn More →Inconel 601 Pipe & Tube
Inconel 601 pipe and tube offer excellent resistance to high-temperature oxidation and carburization, making them ideal for furnace systems, heat exchangers, and thermal processing equipment.
Product Overview
- Seamless and welded pipe & tube options
- High resistance to oxidation up to 1200°C
- Excellent carburization resistance in furnace atmospheres
- Stable mechanical properties under thermal cycling
- Available in standard and custom sizes
Specifications
| Item | Range |
|---|---|
| Outer Diameter | 6 mm – 610 mm |
| Wall Thickness | 0.5 mm – 50 mm |
| Length | Up to 12 meters |
Applications
- Industrial furnace tubing systems
- Heat exchanger tubing
- Petrochemical processing lines
- Thermal processing equipment
- Gas turbine and exhaust systems
Related Material
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