What are the differences between Inconel 600 fasteners and Inconel 601 fasteners?
What are the differences between Inconel 600 fasteners and Inconel 601 fasteners?
Inconel 600 fasteners are a general-purpose, high-nickel alloy fitting with good strength and corrosion resistance; while Inconel 601 bolts, with the addition of aluminum, exhibit significantly superior oxidation resistance at extremely high temperatures, making them ideal for furnace components, heat treatment equipment, and gas turbines. In contrast, Inconel 600 nuts are better suited for a wider range of chemical/marine applications requiring good weldability and resistance to stress corrosion cracking, although Inconel 601 washers perform better in extreme high-temperature and carburizing environments. However, this improved oxidation resistance comes at the cost of some tensile strength compared to Inconel 600 fasteners.
What are the uses of Inconel 601 alloy?
Since precision turning machines operate autonmously and without any manual intervention, they bypass the possibility of human errors seeping into the manufacturing process, leading ro defects. With codes and software programs governing the end-to-end process, the machines can deliver greater accuracy without any flaws.
What are Inconel 600 and Inconel 601 fasteners?
Inconel 600 and Inconel 601 fasteners are high-temperature, corrosion-resistant alloys used in welding and metal fabrication. Due to their high strength and excellent corrosion resistance, they are also known as "superalloys," making them ideal for applications requiring resistance to extreme temperatures or corrosive environments. Inconel 600 bolts are a nickel-chromium alloy containing a small amount of iron, while Inconel 601 nuts have a higher aluminum content. Both alloys exhibit excellent thermal stability at high temperatures due to their high melting point range (2000°F to 2200°F, or 1095°C to 1205°C in an oxidizing atmosphere). Furthermore, these fasteners offer superior resistance to carburization, nitriding, and oxidation, making them suitable for many industrial applications, such as turbine exhaust systems and gas tanks, and providing exceptional strength in critical areas like valve bodies and pipe fittings.
Chemical Composition of Inconel 600/601 Industrial Fasteners
| Grade | C | Mn | Si | S | Cu | Fe | Ni | Cr |
|---|---|---|---|---|---|---|---|---|
| Inconel 600 | 0.15 max | 1.00 max | 0.50 max | 0.015max | 0.50 max | 6.00 – 10.00 | 72.00 min | 14.00 – 17.00 |
| Inconel 601 | 0.10 max | 1.0 max | 0.5 max | 0.015 max | 1.0 max | Balance | 58.0 – 63.0 | 21.0 – 25.0 |
Mechanical Properties Of ASME SB166 Inconel 600/601 Bolts & Nuts
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
|---|---|---|---|---|---|
| Inconel 600 | 8.47 g/cm3 | 1413 °C (2580 °F) | Psi – 95,000 , MPa – 655 | Psi – 45,000 , MPa – 310 | 40 % |
| Inconel 601 | 8.1 g/cm3 | 1411 °C (2571 °F) | Psi – 80,000 , MPa – 550 | Psi – 30,000 , MPa – 205 | 30 % |
Inconel alloy 600/601 fasteners and other types of products
Inconel Nuts
Inconel Hex Nuts, Inconel N06600 Lock Nuts, DIN 2.4851 T-Nut, Inconel 601 Nylon Lock Nut, DIN 2.4668 Hexagon Nut, Alloy 600 /601 Nut, Inconel 600 Nuts, UNS N06601 Coupling Nut
Inconel Bolts
Inconel 600 Hex Bolt, UNS N06601 Carriage Bolt, DIN 2.4856 U Bolts, ASME SB166 Inconel 601 Bolts manufacturer, Inconel 600 Heavy Hex Bolts, Inconel 601 Machine Bolts, Alloy UNS N06600 J Bolt
Inconel Screws
ASTM B166 Inconel 600 Screw Supplier, Alloy 601 Screws, Inconel 600 Hex Head Cap Screws, Inconel 601 Socket Set Screw, DIN 2.4816 Button Head Cap Screws, UNS N06601 Wing Screw
Inconel Washers
Inconel 600 Washers Supplier, ASME SB166 Inconel 601 Spring Lock Washers, UNS N06600 Ogee Washer, Alloy N06601 Split Washers, Inconel 600 Plain Washer, DIN 2.4851 Dock Washers
Inconel Stud Bolt
Inconel 600 Stud Bolt Supplier, ASTM B166 Inconel 601 Stud Bolts, UNS N06600 Single End Stud Bolts, Inconel 601 Double Ended Studs, Alloy 600 Partial / Continuous Threaded Stud Bolt
Inconel Threaded Rod
ASTM B166 Inconel Studs Supplier, SB166 Inconel 600 Threaded Rod, Alloy UNS N06601 Weld Studs, Inconel Alloy 600 Double End Rods, Inconel 601 Tie Bar, 601 Inconel Alloy Tie Rods
Main Features and Characteristics:
Both Inconel 600 and Inconel 601 offer excellent oxidation and corrosion resistance, along with good mechanical strength, but there are some notable differences between the two alloys. Inconel 601 fasteners have a higher aluminum content than Inconel 600, resulting in better oxidation and corrosion resistance in high-temperature environments. Inconel 601 fasteners also exhibit superior heat resistance and thermal shock resistance compared to Inconel 600.
Applications:
The applications of Inconel 600 and Inconel 601 fasteners differ. Inconel 600 fasteners are used in applications such as aircraft piping systems, heat exchangers, and chemical processing equipment. In contrast, Inconel 601 fasteners are used in applications requiring high-temperature resistance, such as power plants, petrochemical plants, and heat treatment equipment.
Selection Considerations:
Several factors should be considered when choosing between Inconel 600 and Inconel 601 fasteners, including the application, operating conditions, and environmental conditions. If the application requires high-temperature resistance and excellent corrosion and oxidation resistance, Inconel 601 is the better choice. However, if the application requires good strength and durability, Inconel 600 is more suitable.
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
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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