Comparison of Inconel 600 and Inconel 601 bar

Comparison of Inconel 600 and Inconel 601 bar
For general high-temperature corrosion, particularly chloride stress corrosion, Inconel 600 alloy rods should be chosen in chemical, marine, or nuclear energy applications where cost and availability are critical. Inconel 601 alloy rods, due to the addition of aluminum, offer superior high-temperature oxidation resistance and thermal cycling performance, making them more suitable for furnaces, heat exchangers, and harsh industrial heating environments. While 601 alloy performs better under oxidizing conditions, 600 alloy rods offer broader corrosion resistance and are easier to weld. However, the aluminum content in 601 alloy round bars gives them an advantage in extreme high-temperature environments.
What are the uses of Inconel 601?
The properties of INCONEL 601 alloy make it widely used in heat treatment, chemical processing, pollution control, aerospace, and power generation. 601 alloy is a commonly used structural material in various heat treatment equipment.

What is Inconel 600 alloy rod?
Inconel 600 alloy rod is a high-strength nickel-based alloy rod composed of chromium and iron. It exhibits excellent corrosion resistance in a variety of environments, withstands oxidation temperatures up to 2000°F, and has strong resistance to chloride ion stress corrosion cracking. Furthermore, compared to other alloys, Inconel 600 alloy rods possess good weldability, formability, and toughness due to their unique composition. This makes them suitable for applications requiring high strength, light weight, and the ability to withstand extreme temperatures, such as heat exchangers and pressure vessels.
What is Inconel 601 alloy rod?
Inconel 601 alloy rod is a nickel-chromium-iron alloy used in high-temperature applications. It exhibits excellent oxidation resistance and strength at high temperatures, making it suitable for heat treatment equipment. It also has good formability and weldability, and excellent corrosion resistance to many acids encountered during manufacturing processes. This alloy possesses excellent mechanical properties, including tensile strength up to 80 ksi and yield strength up to 40 ksi at room temperature. Additionally, it exhibits superior creep and stress rupture properties compared to other superalloy materials. Manufacturing and construction are among its main application areas.
Inconel 600/601 Round Bars Specification
Standards : EN, DIN, JIS, ASTM, BS, ASME, AISI
Specification : ASTM B166 / ASME SB166
Size : 5 mm To 500 mm
Form : Round, Square, Hex (A/F) Etc.
Length : 100 mm To 3000 mm Long & Above
Finish : Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish
Surface : Hot Rolled Pickled or Sand Blasting Finished, Cold Drawn, Bright, Polished, Hairline
Condition : Cold Drawnd Pulished Cold Drawn Centreless Ground & Polished.
Difference Between Inconel 600 Bars & Inconel 601 Bars
Chemical composition of Inconel 600 alloy rods and Inconel 601 alloy rods
| Element | Inconel 600 Rod (UNS N06600) | Inconel 601 Rod (UNS N06601) |
|---|---|---|
| Nickel (Ni) | ≥ 72.0 % | 58.0 – 63.0 % |
| Chromium (Cr) | 14.0 – 17.0 % | 21.0 – 25.0 % |
| Iron (Fe) | 6.0 – 10.0 % | Balance |
| Aluminum (Al) | – | 1.0 – 1.7 % |
| Carbon (C) | ≤ 0.15 % | ≤ 0.10 % |
| Manganese (Mn) | ≤ 1.0 % | ≤ 1.0 % |
| Silicon (Si) | ≤ 0.5 % | ≤ 0.5 % |
| Copper (Cu) | ≤ 0.5 % | ≤ 1.0 % |
| Titanium (Ti) | – | ≤ 0.15 % |
| Sulfur (S) | ≤ 0.015 % | ≤ 0.015 % |
| Phosphorus (P) | – | – |
| Nitrogen (N) | – | – |
Strength and durability
Inconel 600 bars have a yield strength of 39 ksi, while Alloy 601 Bars have a yield strength of 35 ksi. Inconel 601 bars are more resistant to high-temperature oxidation and are more durable than Inconel 600 bars. They are also more resistant to aqueous corrosion, making them a better choice for applications in harsh environments.
Applications
Inconel 600 alloy rods are used in the manufacture of furnace components, chemical equipment, heat exchangers, and heat treatment baskets. They are also used in the power generation industry for manufacturing steam generators, heaters, and turbine blades. Inconel 601 alloy rods, on the other hand, are used in industrial furnaces, heat treatment equipment, and petrochemical applications.
Cost
The price of Inconel 600 alloy rods is generally lower than that of Inconel 601 alloy rods. However, the overall cost of the alloy rods depends on the specific application and requirements.
Availability
Inconel 600 alloy rods are readily available on the market, and suppliers are easy to find. Inconel 601 alloy rods are less readily available than Inconel 600, and finding a supplier may be more difficult.
Conclusion
Inconel 600 and Inconel 601 rods each have their own advantages and disadvantages. Inconel 600 rods are more suitable for applications requiring high corrosion resistance at high temperatures. In contrast, Inconel 601 rods are more suitable for harsh environments and applications requiring higher durability. The final choice of material should depend on the specific requirements of the application, budget, and availability of the rods. Working with a reputable supplier is crucial to ensure you obtain the appropriate Inconel alloy rods that meet your requirements.
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 stainless steel 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 is a supplier of inconel 600 alloy, offering a wide range of products including: seamless pipe (sizes: 4-219 mm; thickness: 0.5-20 mm); welded pipe (sizes: 5.0-1219.2 mm; thickness: 0.5-20 mm); plates (thickness: 0.1 to 100 mm; width: 10-2500 mm); strips; alloy round bars (diameter: 3-800 mm); flat bars (thickness: 2-100 mm; width: 10-500 mm); hexagonal bars (size: 2-100 mm); wire rods; and extruded profiles. We collaborate with steel mills to provide our customers with inconel 600 alloy products that meet or exceed numerous leading industry standards, including ASTM, ASME, SAE, AMS, ISO, DIN, EN, and BS standards.
Gnee Steel stocks and sells inconel 600, pipes, plates, strips, round bars, flat bars, forged billets, hexagonal steel, wire rods, and extruded profiles. Please feel free to contact us at ss@gneesteel.com for a quote.






