In the complex field of high-temperature engineering, choosing the wrong alloy can lead to costly over-design or even catastrophic structural failure. One of the most frequent inquiries our technical sales team receives is about comparing Inconel 713C and Inconel 600.
While both are nickel-chromium alloys, their mechanical applications are quite different. One is a general-purpose heat-resistant material, while the other is a high-performance specialty material designed to withstand rotational stresses. As your one-stop high-temperature alloy sourcing center, Gnee Alloy provides expert analysis to help you find the optimal balance between material properties and project budget.
Contact our professionals to recommend the right alloy for your project
Inconel 713C vs. Inconel 600 Pipe: A Comparison and Purchasing Guide
Inconel 713C vs. Inconel 600 Pipe: A Comparison and Purchasing Guide
Both Inconel 713C and Inconel 600 are high-performance nickel-chromium alloys designed for extreme environments, but they meet different engineering requirements. Inconel 600 is a forged solid solution alloy known for its corrosion resistance and ease of machining; while Inconel 713C is a precipitation-hardening cast alloy designed to provide exceptional strength at extremely high temperatures (up to 1700-1800°F).
What are the alternatives to Inconel 713C?
Alternatives to Inconel 713C include Inconel 718, Rene 77, and Mar-M247. Inconel 718 has higher tensile strength, making it ideal for low-temperature applications, but less suitable for prolonged high-temperature use.
Inconel 713C and Inconel 600 alloy properties and applications information
Inconel 713C Pipe: Expert in High Temperature and High Pressure Applications at 1000°C
Inconel 713C (UNS N07713) is a precipitation-hardening cast alloy designed to resist centrifugal stress and creep at temperatures up to 1000°C (1832°F).
Form: Almost exclusively supplied as vacuum investment casting (VIM) master alloy bars.
Best Applications: Turbine impellers, jet engine blades, and high-speed rotors.
Key Advantages: Its high aluminum (6%) and titanium content forms a strong γ' strengthening phase, preventing the metal from "stretching" under heavy mechanical loads.
Limitations: Cannot be forged or cold-rolled into standard steel tubing and is virtually impossible to weld.
Inconel 600 Tube: General-Purpose Heat and Corrosion Resistance Standard
Inconel 600 (UNS N06600) is a solid solution strengthened forging alloy. It is an industry standard suitable for applications requiring excellent resistance to oxidation and stress corrosion cracking at temperatures up to 2150°F (1175°C).
Forms: Available in seamless tubes, plates, and bars.
Best Uses: Static components such as furnace linings, heat exchanger piping, and chemical equipment.
Key Advantages: Good machinability and weldability, easy to manufacture into complex piping systems.
Limitations: Lower mechanical strength at extreme temperatures. Deformation (creep) may occur under large centrifugal forces or tensile loads.
3. Inconel 600 and Inconel 713C Pipe Technology Comparison Matrix
| Feature | Inconel 600 | Inconel 713C |
| Material Category | Wrought (Fabricated) | Cast (Precision Casting) |
| Primary Strength | Oxidation Resistance | High-Temperature Creep Strength |
| Typical Product | Seamless Pipe / Plate | Master Alloy Stick / Turbine Rotor |
| Weldability | Excellent | Poor (Avoid welding) |
| Max Mechanical Load | Low (Static parts) | High (Rotating/Stressed parts) |
4. Comparison of chemical composition (weight percentage) of Inconel 600 and Inconel 713C pipes
| Element | Inconel 713C (Cast) | Inconel 600 (Wrought) | Key Difference |
|---|---|---|---|
| Nickel (Ni) | Balance (~70-75) | ≥ 72.0 | Similar (both high Ni) |
| Chromium (Cr) | 11.0 – 14.0 | 14.0 – 17.0 | Inconel 600 higher Cr |
| Iron (Fe) | ≤ 2.0 | 6.0 – 10.0 | Inconel 600 has more Fe |
| Aluminum (Al) | 5.5 – 6.5 | – | 713C unique – γ′ former |
| Molybdenum (Mo) | 3.5 – 5.0 | – | 713C unique |
| Titanium (Ti) | 0.4 – 1.0 | – | 713C unique |
| Niobium (Nb) | 1.5 – 2.5 | – | 713C unique |
| Carbon (C) | 0.05 – 0.15 | ≤ 0.15 | Similar |
| Manganese (Mn) | ≤ 0.20 | ≤ 1.00 | Inconel 600 higher |
| Silicon (Si) | ≤ 0.50 | ≤ 0.50 | Similar |
| Sulfur (S) | – | ≤ 0.015 | – |
| Copper (Cu) | – | ≤ 0.50 | – |
| Boron (B) | 0.005 – 0.015 | – | 713C unique |
| Zirconium (Zr) | 0.05 – 0.15 | – | 713C unique |
Click to download the Inconel 713C alloy PDF file now
5. Inconel 713C and Inconel 600 alloy tubing - Physical properties
| Property | Inconel 713C (Cast) | Inconel 600 (Wrought) |
|---|---|---|
| Density | 7.91 g/cm³ | 8.42 – 8.47 g/cm³ |
| Melting Range | 1260 – 1315°C | 1354 – 1413°C |
| Thermal Conductivity (20°C) | 11.2 W/m·K | 14.9 W/m·K |
| Coefficient of Thermal Expansion (20-100°C) | 12.0 × 10⁻⁶/°C | 13.3 × 10⁻⁶/°C |
| Specific Heat (20°C) | 450 J/kg·K | 444 J/kg·K |
| Modulus of Elasticity (20°C) | ~205 GPa | ~207 GPa |
| Electrical Resistivity | 1.30 µΩ·m | 1.03 µΩ·m |
| Magnetic Properties | Non-magnetic | Slightly magnetic |
6. Comparison of corrosion resistance between Inconel 713C alloy and Inconel 600 pipe
| Environment | Inconel 713C | Inconel 600 |
|---|---|---|
| Oxidizing Atmospheres (up to 1000°C) | Good to 950°C | Excellent to 1100°C |
| Nitric Acid | Moderate | Good to Excellent |
| Phosphoric Acid | Moderate | Good |
| Sulfuric Acid (dilute) | Fair | Fair |
| Hydrochloric Acid | Poor | Poor |
| Alkaline Solutions | Moderate | Good |
| Chloride Stress Corrosion Cracking | Moderate | Moderate |
| High-Temperature Oxidation | Good to 950°C | Excellent to 1100°C |
5. Why Choose Gnee Alloy as Your One-Stop High-Temperature Alloy Sourcing Center?
Global engineers and foundries choose us because we streamline the complex high-temperature alloy supply chain.
✅️Sufficient Inventory: We maintain a stock of Inconel 600 forged products and Inconel 713C AMS 5391 master alloys.
✅️Expert Consultation: Our team not only accepts orders but also provides metallurgical guidance to optimize the lifespan of your components.
✅️Global Compliance: Every batch of products is fully MTC 3.1 traceable, ensuring your materials meet international aerospace and energy standards.
Gnee Steel inconel 713C Certificate
📦 Packaging and Shipping
All Nickel Based Alloy products are packaged using the following methods:
Wooden pallets or crates
Moisture-proof packaging
Labels with furnace number, standard, and size labels
Shipped worldwide by sea, air, or express
Gnee Steel 713C Pipe Packing
Contact us for the latest export price quote for 713C Alloy
FAQ
Q: Can I get Inconel 713C in a "pipe" form for a chemical reactor?
A: Standard 713C pipes do not exist because the material is too hard to roll. If you need a hollow shape for high-stress heat, it must be cast-to-size. If the stress is low, Inconel 600 pipes are the standard and much more cost-effective choice.
Q: Which alloy is better for resistance to "Green Rot"?
A: Both are excellent, but Inconel 600 is specifically designed for superior resistance to oxidation and carbonization in furnace atmospheres.
Q: How do I request a Comparative RFQ?
A: Simply click our inquiry button and provide your operating temperature, mechanical load, and preferred form. Our technical sales team will respond within 24 hours with a side-by-side price and performance comparison.
