What is Inconel 600 and its Uses?
What is Inconel 600 and its Uses?
Inconel 600 is a versatile nickel-chromium-iron superalloy designed for high temperatures and corrosion resistance, commonly used in extreme environments ranging from low temperatures to over 2000°F (1095°C). It is renowned for its high strength, resistance to carburization, and resistance to chloride stress corrosion cracking, making it a primary material in the nuclear, chemical, and aerospace industries.
Is Inconel 600 magnetic?
Inconel 600 is non-magnetic, possesses excellent mechanical properties, combining high strength with good machinability and ease of welding. The 600 alloy exhibits cold-forming characteristics generally similar to chromium-nickel stainless steel.
Inconel 600 Equivalent Grades
US SAE J 470c Standard: UNS N06600 / Inconel Alloy 600
US SAE J467b / SAE AMS 5540P Standard: Commercial Grade INCONEL 600
China GB/T 15007 Standard: GB NS 3102 (NS 312) / GB 1Cr15 Ni75Fe8 / ISC H 06600
Japan JIS G 4901 Standard: JIS NCF 600
Germany DIN EN 10095 Standard: W-Nr. NiCr15Fe / L-Nr. 2.4816
UK BS 3076 Standard: BS EN/BS NA 14
| INCONEL 600 Chemical Element Composition Content (%)(SAE AMS 5540P-2017 ) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fe | C | Si | Mn | P | S | Cr | Ni | Cu | Ti | Ta | Al | Nb | Co |
| 6.0-10.0 | ≤0.15 | ≤0.50 | ≤1.00 | ≤0.04 | ≤0.015 | 14.0-17.0 | ≥72.00 | ≤0.50 | ≤0.50 | ≤1.00 | ≤1.00 | ≤0.35 | ≤0.05 |
Physical properties of Inconel 600
| Properties | Metric | Imperial |
|---|---|---|
| Density | 8.47 g/cc | 0.306 lb/in³ |
| Melting Range | 1354-1413°C | 2470-2575°F |
| Electrical Resistivity | 620 ohm-circ mil/ft | 1.03μΩ-m |
Mechanical properties of Inconel 600
| Properties | Metric | Imperial |
|---|---|---|
| Tensile Strength, Ultimate | 655 MPa | 95000 psi |
| Tensile Strength, Yield | 310 MPa | 45000 psi |
| Elongation at Break | 45% | 45% |
Gnee Steel's Inconel 600 product form
Pipe:
inconel 600 Seamless Pipe (ASTM B167): For high-pressure nuclear or chemical piping.
Bars:
inconel 600 Round Bars (ASTM B166): Available in bright (polished) or black finishes, suitable for CNC machining.
Hexagonal Bars and Flat Bars: For specialized fasteners and structural supports.
Plates:
inconel 600 Thick Plates (ASTM B168): Up to 50 mm thick, for pressure vessel shells.
Cold-Rolled Sheets: For precision gaskets and furnace linings.
4. Corrosion Resistance
Inconel 600's core advantage lies in its corrosion resistance:
1. Oxidation Resistance: Forms a dense Cr₂O₃ oxide film below 1100°C, effectively resisting corrosion from air, water vapor, and combustion gases.
2. Acid and Alkali Resistance: Offers resistance to non-oxidizing acids such as hydrochloric acid and sulfuric acid, especially excelling in alkaline environments.
3. Stress Corrosion Cracking Resistance: Resistant to stress corrosion cracking in chloride and caustic alkali solutions, making it suitable for nuclear power plant steam generator piping.
4. Carburization Resistance: Exhibits superior stability in carburizing atmospheres compared to ordinary stainless steel, suitable for chemical reactors.
5. Typical Application Areas
1. Aerospace: Used for high-temperature components such as engine combustion chamber parts and turbine sealing rings.
2. Energy Industry: Nuclear reactor control rod conduits, heat exchanger tube bundles, and superheater piping in fossil fuel power plants.
3. Chemical Equipment: Acid washing equipment, distillation towers, catalyst supports, etc. 4. Electronics Industry: High-temperature fixtures and carriers in semiconductor manufacturing.
6. Machining and Welding Processes
1. Hot Working: Forging or rolling is recommended at 870-1230°C. Avoid exposure to temperatures between 650-870°C to prevent grain boundary embrittlement.
2. Cold Working: Requires high-power equipment; high work hardening rate. The recommended intermediate annealing temperature is 925-1010°C.
3. Welding: Suitable for TIG, MIG, and manual arc welding. The recommended welding material is the homogeneous alloy ENiCrFe-3. Post-weld solution treatment is necessary to relieve stress.
4. Heat Treatment: Standard solution treatment temperature is 980-1030°C. Water or air cooling can optimize grain boundary corrosion resistance.
7. Comparison with Other Materials
Compared to Inconel 625, Inconel 600 has a lower molybdenum content and slightly weaker resistance to reducing acids, but it is also cheaper. Compared to 304 stainless steel, its high-temperature strength and resistance to chloride ion corrosion are significantly better. In the nuclear industry, its resistance to neutron radiation is better than stainless steel, but inferior to zirconium alloys.
Why Choose Gnee as Your Nickel-Based Alloy Supplier
✅ Over 18 years of export experience, products sold to more than 80 countries
✅ Certified by ISO, SGS, and BV
✅ Global inventory of Inconel, Hastelloy, Incoloy, and Monel alloy tubing, plates, and bars
✅ Custom processing services available – including cutting, polishing, CNC machining, and packaging
✅ Fast delivery within 7-15 days, supported by global logistics partners
📦 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
About Gnee Steel
Gnee Steel is a professional manufacturer of nickel-based alloys, including Nickel 201, Nickel 202, Hastelloy C-276, Hastelloy C-22, Hastelloy B, Hastelloy C-4, Inconel 600, Inconel 625, Inconel 718, Inconel X-750, Incoloy 800, Incoloy 800H/HT, Incoloy 825, Monel 400, Monel K500, and other high-temperature alloy materials. We specialize in the production and sales of alloy materials. Gnee Steel's products are widely used in aerospace, chemical, power generation, automotive, nuclear energy, and other fields, and we can provide customized alloy material solutions according to customer needs. For inquiries about alloy material prices or customized alloy material solutions, please feel free to contact us via email at ss@gneemetal.com for a quote.
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FAQ
Q: What is the difference between Inconel 600 and stainless steel?
A: Inconel 600 has a higher nickel content, making it more heat-resistant and corrosion-resistant than stainless steel.
Q: Is Inconel 600 magnetic?
A: Inconel 600 is non-magnetic, possesses excellent mechanical properties, and combines high strength, good machinability, and weldability. The cold-forming characteristics of alloy 600 are essentially similar to those of chromium-nickel stainless steel.
Q: What are the common names for Inconel 600?
A: Inconel 600, Alloy 600, Nickel 600, Nickelvac 600, and Ferrochronin 600 are all common trade names. Inconel Alloy 600 (UNS N06600 W.Nr. 2.4816) is a standard engineering material suitable for applications requiring corrosion and heat resistance.
Q: What is the difference between Inconel 600 and Inconel 625?
A: Inconel 625 is unaffected by chloride stress corrosion cracking and pitting, making it ideal for harsh marine environments. In terms of oxidation resistance, Inconel 625 is superior to Inconel 600 due to its higher chromium and molybdenum content, exhibiting better performance even at extreme temperatures.
Q: Are Inconel 600 fasteners suitable for high-pressure applications?
A: Yes, they are widely used in high-pressure, high-temperature environments such as nuclear reactors and chemical plants.
Q: Can Inconel 600 fasteners be customized?
A: Yes, manufacturers like Gnee Steel can provide custom fasteners in various sizes, coatings, and specifications.
Q: Where can I buy high-quality Inconel 600 products?
A: Gnee Steel offers high-quality Inconel 600 products tailored to industrial needs, ensuring superior performance and reliability.
