Inconel 600 Bars vs Inconel 601 Bars- Which One Should You Choose?
Inconel 600 Bars vs Inconel 601 Bars- Which One Should You Choose?
For medium-temperature and general corrosion-resistant applications, such as heat exchangers or carburizing atmospheres, Inconel 600 bars are generally more economical and therefore ideal. For applications where high temperatures, excellent oxidation resistance, and anti-fouling properties are critical, Inconel 601 alloy bars are more suitable, particularly for high-temperature furnace components, petrochemical applications, and aerospace. The final choice depends on your specific operating temperature, environment (e.g., the presence of sulfur), and budget.
Are Nickel Alloy 600 and Inconel 600 the same alloy?
Nickel Alloy 600, also sold under the brand name Inconel 600, is a unique nickel-chromium alloy known for its oxidation resistance at high temperatures. It has a wide range of applications, suitable for high-temperature applications from low temperatures up to 2000°F (1093°C).
What are Inconel 600 bars?
Inconel 600 bars are high-strength nickel-based alloy bars made of chromium and iron. They exhibit excellent corrosion resistance in a variety of environments, withstanding oxidation up to 2000°F (1093°C), and possess extremely strong resistance to chloride stress corrosion cracking. Furthermore, due to its unique composition, Inconel 600 bars offer good weldability, formability, and toughness compared to other alloys. This makes them suitable for applications requiring high strength, lightweight, and the ability to withstand extreme temperatures, such as heat exchangers and pressure vessels.
What are Inconel 601 bars?
600 alloy bars are nickel-chromium-iron alloys for high-temperature applications. They offer excellent oxidation resistance and high-temperature strength, making them suitable for heat-treated equipment. They also possess good formability and weldability, and exhibit excellent corrosion resistance to a variety of acids encountered during manufacturing. This alloy possesses excellent mechanical properties, including tensile strength up to 80 kJ and yield strength up to 40 kJ at room temperature. Furthermore, compared to other high-temperature alloys, it exhibits superior creep resistance and stress fracture resistance. Manufacturing and construction are among its main production industries.
Difference Between Inconel 600 Bars & Inconel 601 Bars
Inconel 600 Bars & Inconel 601 Bars Chemical Composition %
| Grade | Ni | Cr | Fe | C | Mn | S | Si | Cu |
| Inconel 600 | 72.0 min | 14.0 – 17.0 | 6.0 – 10.0 | 0.15 max | 1.0 max | 0.015 max | 0.5 max | 0.5 max |
| Grade | Ni | Cr | Al | C | Mn | Si | Fe | Cu |
| Inconel 601 | 58-63 | 21-25 | 1-1.7 | 0.10 max | 1.5 max | 0.015 max | 0.5 max | 1.0 max |
Inconel 600 vs. Inconel 601 Rod - Strength Comparison
| Strength Property | Inconel 600 Rod | Inconel 601 Rod | Notes |
|---|---|---|---|
| Tensile Strength (Room Temp) | 550–690 MPa (80–100 ksi) | 650–760 MPa (94–110 ksi) | 601 is ~15–20% stronger in tension |
| Yield Strength (0.2% Offset, Room Temp) | 240–350 MPa (35–51 ksi) | 300–450 MPa (44–65 ksi) | 601 offers higher yield strength |
| High-Temperature Tensile Strength (870°C / 1600°F) | ~100 MPa (14.5 ksi) | ~140 MPa (20.3 ksi) | 601 retains ~40% more strength at high temperature |
| Creep Rupture Strength (870°C / 1600°F, 1000h) | ~25 MPa (3.6 ksi) | ~40 MPa (5.8 ksi) | 601 has significantly better creep resistance |
| Fatigue Strength (Room Temp) | ~310 MPa (45 ksi) | ~350 MPa (51 ksi) | 601 has better fatigue performance |
| Hardness (Annealed, Room Temp) | 65–90 HRB | 80–100 HRB | 601 is typically harder |
| Shear Strength | ~520 MPa (75 ksi) | ~580 MPa (84 ksi) | 601 stronger in shear loading |
Inconel 600 vs. Inconel 601 Rod - Application Comparison
| Application Field | Inconel 600 Rod | Inconel 601 Rod | Primary Reason |
|---|---|---|---|
| Heat Treatment Industry | Retorts, furnace baskets, radiant tubes | Radiant tubes, muffles, thermocouple protection tubes | 601 offers better oxidation and carburization resistance at high temperatures |
| Chemical Processing | Caustic evaporators, nitric acid equipment, organic acid reactors | Catalyst grids, combustion cans, pyrolysis tubes | 600 for corrosion resistance; 601 for high temperature strength and oxidation resistance |
| Aerospace | Engine mounts, fasteners, exhaust system components | Combustion chamber parts, afterburner liners, turbine seals | 600 for general high-temperature parts; 601 for very high temperature and oxidation-critical parts |
| Power Generation | Nuclear steam generator tubing supports, boiler components | Gas turbine combustion liners, burner nozzles, heat shields | 600 for nuclear/boiler; 601 for gas turbine hot section parts |
| Industrial Furnaces | Rollers, chains, fixtures, hangers | Heat exchangers, burner nozzles, radiant coils | 601 offers superior scale resistance and strength retention in cyclic heating |
| Fasteners & Bolting | Studs, bolts, nuts for high-temperature corrosive service | High-strength bolts, fasteners for extreme temperature cycling | 600 for corrosion resistance; 601 for higher strength and thermal fatigue resistance |
| Glass Manufacturing | Forming molds, handling tools | Rollers, conveyor parts, glass tank components | 601 resists glass vapor corrosion better at high temperatures |
| Automotive | Exhaust valves, turbocharger components | High-performance exhaust systems, racing engine components | 600 for OEM applications; 601 for extreme performance applications |
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.
