Comparison of Inconel 600 bolts and Inconel 601 bolts
Comparison of Inconel 600 bolts and Inconel 601 bolts
Due to its higher chromium content and the addition of aluminum, Inconel 601 bolts offer better high-temperature oxidation resistance than Inconel 600 bolts. While both are nickel-chromium alloys with excellent corrosion and heat resistance, the composition of Inconel 601 makes it more suitable for extreme high-temperature applications such as aircraft exhaust systems and turbochargers.
What are the applications of Inconel 601?
The properties of Inconel 601 alloy make it a widely used material in fields such as heat treatment, chemical processing, pollution control, aerospace, and power generation. 601 alloy is a standard structural material for various heat treatment equipment.
Both Inconel 600 and Inconel 601 bolts exhibit excellent oxidation resistance at high temperatures. The main difference lies in their maximum operating temperature: Inconel 600 bolts have a maximum operating temperature of 2000°F (approximately 1093°C), while Inconel 601 bolts have a higher operating temperature, reaching 2200°F (approximately 1214°C). Furthermore, Inconel 601 bolts perform well under cyclic temperature conditions.
Another material suitable for cyclic temperature conditions is Alloy 330, which exhibits excellent oxidation and carburization resistance at temperatures up to 2100°F (approximately 1173°C). Alloy 330 bolts are also renowned for their superior performance under extreme temperature cycling conditions.
Inconel 600/601 Machine Bolts Equivalent Grades
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
| Inconel 600 | 2.4816 | N06600 | NCF 600 | NA 13 | МНЖМц 28-2,5-1,5 | NC15FE11M | NiCr15Fe |
| Inconel 601 | 2.4851 | N06601 | NCF 601 | NA 49 | XH60BT | NC23FeA | NiCr23Fe |
Chemical Composition of Inconel 600/601 Machine Bolts
| 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 Inconel 600/601 Machine Bolts
| 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 % |
Why Choose Gnee Nickel Alloy (Supplier Example)?
✅ Large stock of Incoloy alloy tubes/bars/plates/fittings/coils, fast shipping.
✅ Factory direct sales, highly competitive prices, excellent value for money.
✅ Comprehensive quality assurance: Material Testing Certificate (MTC), chemical composition certificate, and mechanical property certificate.
✅ Value-added services: slitting, cutting, polishing, surface treatment.
✅ Worldwide shipping, secure and reliable packaging, and provision of export-required documents.
Email: ss@gneemetal.com
Gnee Steel is a supplier of Inconel 600/601 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 600/601 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 600/601, 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.
