Properties of 601 alloy
Properties of alloy 601
Alloy 601 (Inconel 601) is a nickel-chromium-iron alloy that, due to its nickel, chromium, and aluminum content, possesses excellent high-temperature strength and outstanding resistance to oxidation, carburization, and thermal cycling. Its main characteristics include good mechanical strength at high temperatures, resistance to stress corrosion cracking, and good processability (machining, welding, and forming). This alloy is widely used in aerospace, power generation, and heat treatment applications for manufacturing components that require high-temperature resistance and corrosion resistance.
What is Inconel 601 used for?
In industrial furnaces, this alloy is used to manufacture radiant tubes, muffles, distillation retorts, flame shields, wire annealing tubes, woven wire conveyor belts, chain curtains, burner nozzles, and resistance heating elements.
Alloy 601 is renowned for its excellent oxidation resistance, especially at high temperatures. It is commonly used in industrial furnace components, petrochemical applications, and heat treatment processes. When welding Alloy 601, Inconel 601 is typically used as the filler metal. This ensures consistent performance and corrosion resistance in the weld area, thus maintaining the integrity and performance of the material. In some cases, Nickel 600 can also be used as an alternative filler metal.
Chemical analysis of Inconel 601 alloy
| C | Si | Mn | P | S | Cr | Ni | Fe | Cu | Ai | |
| NiCro 601 | 0.04 | 0.24 | 0.53 | - | - | 22.8 | 61 | 13.35 | - | 1.4 |
| NiCro 601 Tig | 0.08 | 0.27 | 0.9 | 0.01 | 0.01 | 23 | 61 | 15 | 0.1 | 1.5 |
Mechanical & Physical Properties
| Mechanical & Physical Properties | 21°C | 538°C | 649°C | 760°C | 871°C | 982°C | 1093°C |
|---|---|---|---|---|---|---|---|
| Ultimate Tensile Strength /MPa | 689.5 | 620.5 | 413.7 | 234.4 | 124.1 | - | - |
| 0.2% Yield Strength /MPa | 372.3 | 331 | 282.7 | 179.2 | 103.4 | - | - |
| Minimum Creep 0.0001% per hr,MPa | - | - | - | 28.3 | 13.8 | 5.2 | 3 |
| 10,000 hr Rupture Strength, MPa | - | - | - | 42.7 | 17.9 | 8.3 | 4.3 |
| Coefficient of Thermal Expansion µm/m⁰C | 15.3 | 16 | 16.6 | 17.1 | 17.6 | 18.3 | |
| Thermal Conductivity /kcal/(hr.m.°C) | 9.7 | 17.3 | 18.9 | 20.4 | 22 | 23.5 | 25.1 |
| Modulus of Elasticity/ 105 MPa | 2.06 | 1.75 | 1.66 | 1.55 | 1.42 | 1.27 | 1.12 |
601 alloy exhibits the following corrosion resistance properties:
High-temperature oxidation resistance: 601 alloy has excellent resistance to high-temperature oxidation, making it suitable for applications in extreme high-temperature and oxidizing environments.
Resistance to sulfur-containing environments: 601 alloy has good corrosion resistance to sulfur-containing atmospheres, which is crucial for applications in the petrochemical and other industries where sulfur compounds are present.
Carburization resistance: It has strong resistance to carburization, a type of corrosion that occurs in high-temperature, carbon-rich environments.
Aqueous solution corrosion resistance: 601 alloy exhibits good corrosion resistance in various aqueous environments, including fresh water, seawater, and weakly acidic or alkaline solutions.
Resistance to chloride stress corrosion cracking (SCC): Similar to 600 alloy, 601 alloy has good resistance to chloride stress corrosion cracking, which occurs in the presence of chlorides at high temperatures.
Alloy 601 is commonly used in applications such as furnace components, heat treatment equipment, petrochemical processing, gas turbine components, and heat treatment equipment in industrial furnaces. When selecting this material, it is essential to consider the specific operating conditions, temperature, and type of corrosive environment to ensure optimal performance and service life.
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
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All stainless steel products are packaged using the following methods:
Wooden pallets or crates
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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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