Alloy 601，Inconel 601 Rod，UNS N06601，EFORU

British Specs:，American Specs:AMS 5715 Bar and Forgings AMS 5870 Sheet, Strip and Plate ASTM B166 ASTM B167 ASTM B168 ASTM B751 ASTM B775 ASTM B829，German Specs:WS 2.4851

### **Alloy 601 / Inconel 601 Rod / UNS N06601 – Nickel-Chromium-Iron-Aluminum Alloy Rod** **Product Overview** Inconel 601 Rod (UNS N06601) is a nickel-chromium-iron alloy rod with aluminum addition, specifically engineered for high-temperature applications requiring exceptional oxidation resistance and mechanical strength. The rod form provides excellent machinability and structural integrity for components operating in extreme thermal environments up to 1250°C (2282°F). Its unique composition forms a protective oxide scale that ensures long-term performance in oxidizing, carburizing, and nitriding atmospheres. --- **Chemical Composition (ASTM B166)** | Element | Content (%) | |----------------|----------------| | **Nickel (Ni)** | 58.0–63.0 | | **Chromium (Cr)**| 21.0–25.0 | | **Iron (Fe)** | Balance | | **Aluminum (Al)**| 1.0–1.7 | | **Copper (Cu)** | 1.0 max | | **Manganese (Mn)**| 1.0 max | | **Carbon (C)** | 0.10 max | | **Silicon (Si)** | 0.50 max | | **Sulfur (S)** | 0.015 max | *The aluminum content enables formation of a continuous, adherent aluminum oxide layer that provides exceptional high-temperature oxidation resistance.* --- **Physical Properties** | Property | Value | |-------------------------------|---------------------------------| | **Density** | 8.11 g/cm³ (0.293 lb/in³) | | **Melting Range** | 1320–1370°C (2410–2500°F) | | **Electrical Resistivity** | 118 μΩ·cm (at 21°C) | | **Thermal Conductivity** | 11.2 W/m·K (at 100°C) | | **Mean Coefficient of Thermal Expansion** | 14.2 μm/m·°C (20–100°C) | | **Modulus of Elasticity** | 200 GPa (29,000 ksi) | | **Magnetic Permeability** | <1.005 (Essentially non-magnetic)| --- **Mechanical Properties (Rod – Solution Annealed Condition)** | Property | Room Temperature | 800°C (1472°F) | 1000°C (1832°F) | 1100°C (2012°F) | |-----------------------------|------------------|----------------|-----------------|-----------------| | **Tensile Strength** | 655–760 MPa | 180–220 MPa | 80–110 MPa | 50–70 MPa | | **Yield Strength (0.2% Offset)** | 275–345 MPa | 120–150 MPa | 60–80 MPa | 35–50 MPa | | **Elongation in 4D** | 45–60% | 40–55% | 50–70% | 60–80% | | **Reduction of Area** | 50–70% | 45–65% | 55–75% | 65–85% | | **Hardness** | 80–95 HRB | 70–85 HRB | 60–75 HRB | 50–65 HRB | **Hot Finished Rod Properties** - **Tensile Strength**: 690–830 MPa (100–120 ksi) - **Yield Strength**: 310–450 MPa (45–65 ksi) - **Elongation**: 35–50% --- **Rod Specifications & Available Forms** **Rod Types** - Hot finished round rod - Cold finished precision rod - Centerless ground rod - Turned and polished rod - Forged rod **Diameter Ranges** - **Hot Finished**: 6 mm to 300 mm (0.25" to 12") - **Cold Finished**: 3 mm to 100 mm (0.125" to 4") - **Centerless Ground**: 3 mm to 75 mm (0.125" to 3") - **Length**: Standard 3–6 meters (10–20 feet), cut to size available **Surface Conditions** - Hot rolled, annealed, and pickled - Cold drawn, annealed, and pickled - Centerless ground and polished - Turned and polished for precision applications --- **Key Characteristics & Advantages** 1. **Exceptional Oxidation Resistance** – Withstands temperatures up to 1250°C (2282°F) in oxidizing atmospheres 2. **High-Temperature Strength** – Maintains mechanical properties at elevated temperatures 3. **Excellent Carburization Resistance** – Superior performance in carburizing environments 4. **Good Thermal Fatigue Resistance** – Withstands cyclic temperature variations 5. **Excellent Machinability** – Can be machined to precise tolerances using standard methods 6. **Good Weldability** – Can be welded using common welding techniques 7. **Resistance to Sulfur Attack** – Performs well in sulfur-containing atmospheres --- **Product Applications** **Heat Treatment Industry** - Radiant tube supports and hangers - Furnace roller shafts and pins - Retort and muffle components - Heat treatment fixture rods - Basket and tray support members **Chemical Processing** - Reactor agitator shafts - Thermocouple protection tubes - Catalyst support rods - High-temperature valve stems - Process heater components **Aerospace & Power Generation** - Combustion chamber support rods - Turbine seal segments - Afterburner component supports - Exhaust system structural members - Heat shield support rods **Industrial Furnace Construction** - Heating element support rods - Burner nozzle components - Refractory anchor rods - Atmosphere generator parts - Kiln furniture components **Pollution Control Systems** - Waste incinerator components - Flue gas ducting supports - Thermal oxidizer internal members - Catalytic converter supports - Exhaust system structural elements --- **International Standards** | Standard Type | Standard Number | Specification | |---------------|-----------------|---------------| | **UNS** | **N06601** | Unified Numbering System | | **ASTM** | B166 | Nickel-Chromium-Iron Alloy Rod and Bar | | **ASME** | SB166 | Boiler and Pressure Vessel Code | | **AMS** | 5715 | Aerospace Material Specification | | **DIN** | 2.4851 | German Standard | | **EN** | NiCr23Fe | European Standard | | **JIS** | NCF 601 | Japanese Industrial Standard | | **GOST** | ХН60Ю | Russian Standard | --- **Machining & Fabrication** **Machining Parameters** - **Cutting Speed**: 15–25 m/min (50–80 SFM) for turning - **Feed Rate**: 0.15–0.25 mm/rev (0.006–0.010 IPR) - **Depth of Cut**: 2–4 mm (0.080–0.160 inches) - **Tool Material**: Carbide with positive rake angles - **Coolant**: Required for optimum tool life and surface finish **Welding Characteristics** - **Weldability**: Excellent with proper procedures - **Methods**: GTAW (TIG), GMAW (MIG), SMAW - **Filler Metals**: ENiCrFe-2, ENiCrFe-3 - **Preheat**: Not required - **Post-Weld Heat Treatment**: Solution annealing recommended **Forming Operations** - **Hot Working**: 1150–1230°C (2100–2250°F) - **Cold Working**: Good capability with intermediate annealing - **Annealing Temperature**: 1065–1175°C (1950–2150°F) --- **Heat Treatment** **Solution Annealing** - **Temperature**: 1065–1175°C (1950–2150°F) - **Time**: 30 minutes to 2 hours depending on diameter - **Cooling**: Rapid air cool or water quench - **Atmosphere**: Controlled atmosphere recommended **Stress Relieving** - **Temperature**: 760–870°C (1400–1600°F) - **Time**: 1–4 hours depending on section size - **Cooling**: Air cool to room temperature --- **Quality Assurance & Testing** **Standard Testing** - Chemical analysis verification - Tensile testing at room temperature - Hardness testing (Rockwell B) - Macroetch examination - Dimensional verification **Non-Destructive Testing** - Ultrasonic testing per ASTM A388 - Liquid penetrant examination - Magnetic particle testing (when applicable) **Certification Requirements** - Mill Test Certificates per EN 10204 3.1 - Chemical analysis certificates - Mechanical test reports - Heat treatment records - NDE reports as specified --- **High-Temperature Performance Data** **Oxidation Resistance** - **Maximum Continuous Temperature**: 1250°C (2282°F) - **Cyclic Oxidation Life**: Excellent up to 1150°C (2102°F) - **Oxidation Rate**: <0.5 mm/year at 1100°C - **Scale Adherence**: Excellent, forms protective Al₂O₃ scale **Creep Properties** - **1000h Rupture Strength at 980°C**: 35 MPa (5 ksi) - **1000h Rupture Strength at 1095°C**: 12 MPa (1.7 ksi) - **Creep Rate**: Low even at elevated temperatures --- **Corrosion Resistance Performance** **Excellent Resistance To** - High-temperature oxidation - Carburizing atmospheres - Nitriding environments - Sulfur-containing gases - Molten salt corrosion **Good Resistance To** - Nitric acid solutions - Alkaline environments - Organic acid vapors - Atmospheric corrosion - Steam and water vapor --- **Packaging & Handling** **Standard Packaging** - Wooden crates with protective coating - Plastic end caps for thread protection - Weather-proof wrapping - Clear identification and heat number labeling **Storage & Handling** - Store in clean, dry conditions - Protect from carbon steel contamination - Use separate storage from other metals - Employ proper lifting equipment for heavy sections --- **Conclusion** Inconel 601 Rod (UNS N06601) provides an outstanding combination of exceptional high-temperature oxidation resistance, excellent mechanical strength, and good fabrication characteristics in rod form. Its ability to form a protective aluminum oxide scale at elevated temperatures makes it particularly suitable for applications in heat treatment furnaces, chemical processing equipment, aerospace components, and high-temperature structural applications. Available in various diameters and surface conditions with comprehensive international certification, Inconel 601 rod offers manufacturers and designers a reliable material solution for demanding high-temperature applications where oxidation resistance, structural integrity, and long-term performance are critical requirements.

Packing of Standard Packing: Typical bulk packaging includes palletized plastic 5 gallon/25 kg. pails, fiber and steel drums to 1 ton super sacks in full container (FCL) or truck load (T/L) quantities. Research and sample quantities and hygroscopic, oxidizing or other air sensitive materials may be packaged under argon or vacuum. Solutions are packaged in polypropylene, plastic or glass jars up to palletized 1729 gallon liquid totes Special package is available on request.