Detailed information on Inconel 601 round bars and Inconel 690 round bars
Detailed information on Inconel 601 round bars and Inconel 690 round bars
Inconel 601 and 690 round bars are nickel-based alloys known for their high-temperature strength and corrosion resistance. Inconel 601 (UNS N06601), due to its aluminum content, exhibits excellent performance in high-temperature oxidation, carburization, and scaling resistance; while Inconel 690 (UNS N06690), with its higher chromium content, offers greater resistance to aqueous corrosion (such as chloride stress corrosion cracking) and high temperatures. Therefore, both alloys are crucial for demanding chemical, aerospace, and heat treatment environments, with 601 focusing more on high-temperature resistance/oxidation resistance, and 690 focusing more on resistance to severe corrosion.
What is Inconel 601?
INCONEL 601 nickel-chromium-iron alloy (UNS N06601/W.Nr. 2.4851) is a general-purpose engineering material suitable for applications requiring heat and corrosion resistance. A notable characteristic of INCONEL 601 alloy is its excellent resistance to high-temperature oxidation.
Inconel 601 alloy rods offer superior oxidation resistance and maintain excellent performance at temperatures up to 2100°F (1149°C), making them ideal for chemical processing applications. Furthermore, they possess excellent strength, ductility, and weldability. Inconel 601 alloy rods are resistant to various acids and alkalis, making them an ideal choice for manufacturing processes involving harsh environments or corrosive chemicals.
Inconel 690 rods are a nickel-based alloy with a high chromium content (approximately 29%). Its core advantage lies in its unparalleled resistance to stress corrosion cracking in high-temperature, high-pressure water media, chloride-containing environments, and caustic alkali environments, while also possessing excellent oxidation and carburization resistance. It is primarily used in the manufacture and processing of critical structural components requiring extremely high corrosion resistance and long-term stability, such as steam generator partitions and support components in nuclear power plants, spent fuel reprocessing equipment, high-strength alkali environment components, and demanding chemical equipment. It is a top-tier raw material for ensuring nuclear energy safety and industrial reliability.
Inconel 600/690 Round Bar Specifications
| Standard | ASTM B166, B446 / ASME SB 166, SB 446 |
| Dimensions | ASTM, ASME and API |
| Size | 5 mm To 500 mm Dia in 100 mm TO 6000 mm Length available with NACE MR 01-75. |
| Length | 100 mm To 3000 mm Long & Above |
| Finish | Bright, Polish & Black |
| Grade | Inconel 600, 601, 617, 625, 690 |
| Form | Round, Square, Hex (A/F), Rectangle, Wire (Coil Form), Wire-mesh, Billet, Ingot, Forging Etc. |
| End | Beveled End, Plain End, Treaded Tube |
Inconel Alloy 601/690 alloy Round Bars Equivalent Material
| STANDARD | WERKSTOFF NR. | UNS | GOST | AFNOR | JIS | BS | EN | OR |
| 601 | 2.4851 | N06601 | XH60BT | NC23FeA | NCF 601 | NA 49 | NiCr23Fe | ЭИ868 |
| 690 | 2.4642 | N06690 | - | - | - | - | - | - |
Inconel 601 Round Bars Dimensions
Inconel 600 Round Bar Size Chart
Size Chart
Nickel Alloy 601 Round Bar Tolerances
Tolerance
Uns N06601 Weight Chart
Weight Chart
Inconel Alloy 601/690 Round Bar Dimensional Tolerances
Nickel 601 Alloy Bar Price List
| Price List of Inconel 600 Round Bar | Inconel 600 Round Bar Price in USD | Inconel Alloy 625 Round Bar Price in UAE (Dirham) | |
| Inconel 600 Rod Price Per Kg | $ 46.13 USD | 169.53 AED | |
| Inconel Alloy 601 Rod Price Per Kg | $ 57.15 USD | 209.73 AED | |
| Inconel 690 Round Bar Price Per Kg | $ 58.43 USD | 214.64 AED | |
| Inconel 600 Hex Bar Price | $ 36.03 USD | 132.48 AED | |
| 601 Inconel Alloy Square Bar Price | $ 93.51 USD | 343.50 AED |
Inconel 601 And 690 Alloy Round Bar Chemical Composition
| Grade | Ni | Cr | Fe | C | Mn | Si | Cu | Mo | Co | Al | Ti | Nb + Ta | P | S |
| 601 | 58.0 - 63.0 | 21.0 -25.0 | Balance | 0.10 max | 1.0 max | 0.5 max | 1.0 max | - | - | - | - | - | - | 0.015 max |
| 690 | 48.85 - 62 | 20 - 24.0 | Balance | ≤ 0.15 | ≤ 1 | ≤ 1 | - | 8 - 10 | 10-15 | - | - | - | - | - |
Inconel 601/690 Round Bar Mechanical Properties
| Grade | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 601 | 8.1 g/cm3 | 1411 °C (2571 °F) | Psi – 80,000 , MPa – 550 | Psi – 30,000 , MPa – 205 | 30 % |
| 690 | 8.3g/cm³ | 1363°C | ≥ 485 MPa | ≥ 275 MPa | 25 % |
Inconel 601/690 Round Bar Manufacturing Process
Characteristics of Inconel 601 and 690 Round Bars
Inconel 601 Round Bar (UNS N06601)
Main Features: Excellent resistance to high-temperature oxidation, carburization, and chloride stress corrosion cracking (SCC).
Composition Highlights: Nickel (58-63%), Chromium (21-25%), Iron (14-18%), Aluminum (1.0-1.7%).
Mechanical Properties: High strength at high temperatures, good ductility, good weldability, and good thermal fatigue resistance.
Inconel 690 Round Bar (UNS N06690)
Main Features: Excellent corrosion resistance to various corrosive aqueous media, high temperatures, and pitting/crevice corrosion, and excellent resistance to SCC.
Composition Highlights: High chromium content, giving it superior corrosion resistance compared to the 601 alloy.
Mechanical Properties: High strength, good metallurgical stability, good toughness, and good machinability.
Finishes Of Inconel 601/690 Round Bar
| CD | Cold drawn | P | Polished |
| CG | Centreless ground | HF | Hot finished |
| BD | Bright drawn | SRE | Slit rolled edge |
| P&T | Peeled and turned | RT | Rough turned/peeled |
| CF | Cold finished | HRAP | Hot rolled annealed and pickled |
| ST | Smooth turned | PR | Peeled and reeled |
Applications of Inconel 601 and 690 Alloy Round Bars
Inconel 601 Round Bar (UNS N06601)
Applications: Heat treatment equipment, furnace components, chemical industry, aerospace, and applications requiring resistance to high-temperature oxidation (up to approximately 2000°F (1100°C)).
Inconel 690 Round Bar (UNS N06690)
Applications: Nuclear industry (steam generators), chemical industry, marine environments, and high-temperature environments with severe corrosion problems, including molten salt environments.
Main Differences and Comparison between 601 and 690 Alloys
Oxidation and Water Corrosion: 601 alloy is suitable for extremely high temperatures and oxidizing/carburizing environments; 690 alloy is more suitable for corrosive aqueous environments and chloride corrosion environments.
Chromium Content: 690 alloy has a significantly higher chromium content than 601 alloy, thus providing superior corrosion resistance.
Aluminum Content: The aluminum content in 601 alloy enhances its high-temperature oxidation resistance.
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@gneesteel.com for a quote.
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