Alloy 601，Inconel 601 Plate，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 Plate / UNS N06601 – Nickel-Chromium-Iron-Aluminum Alloy Plate** **Product Overview** Inconel 601 Plate (UNS N06601) is a nickel-chromium-iron-aluminum alloy plate product that offers exceptional resistance to high-temperature oxidation, corrosion, and mechanical degradation. This plate material maintains excellent mechanical properties from room temperature up to 1250°C (2282°F) and demonstrates superior performance in aggressive high-temperature environments. The aluminum content enables formation of a protective oxide scale, making it particularly suitable for furnace components, heat treatment equipment, and high-temperature structural applications. --- **Chemical Composition (ASTM B168)** | 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 up to 1250°C.* --- **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 (Plate – Annealed Condition)** | Property | Room Temperature | 800°C (1472°F) | 1000°C (1832°F) | 1100°C (2012°F) | |-----------------------------|------------------|----------------|-----------------|-----------------| | **Tensile Strength** | 655 MPa (95 ksi) | 180 MPa (26 ksi)| 85 MPa (12 ksi) | 55 MPa (8 ksi) | | **Yield Strength (0.2% Offset)** | 275 MPa (40 ksi) | 125 MPa (18 ksi)| 65 MPa (9 ksi) | 40 MPa (6 ksi) | | **Elongation in 2"** | 45% | 40% | 50% | 60% | | **Hardness** | 80 HRB | 70 HRB | 60 HRB | 50 HRB | | **Impact Strength (Charpy V-Notch)** | 75 J | 60 J | 45 J | 30 J | **Hot Rolled Plate Properties** - **Tensile Strength**: 690–830 MPa (100–120 ksi) - **Yield Strength**: 310–450 MPa (45–65 ksi) - **Elongation**: 35–50% --- **Plate Specifications & Available Forms** **Plate Types** - Hot rolled plate - Annealed and pickled plate - Stress relieved plate - Checkered plate (special order) **Size Ranges** - **Thickness**: 5 mm to 150 mm (0.1875" to 6") - **Width**: Up to 1500 mm (60") - **Length**: Up to 6000 mm (240") **Surface Finish** - Hot rolled, annealed, and pickled - Mechanically descaled - Grinding and polishing available - No. 1 and No. 2B finishes available --- **Key Characteristics & Advantages** 1. **Exceptional High-Temperature Strength** – Maintains mechanical properties up to 1250°C (2282°F) 2. **Superior Oxidation Resistance** – Outstanding performance in oxidizing atmospheres due to protective aluminum oxide scale 3. **Excellent Carburization Resistance** – Superior to most alloys in carburizing environments 4. **Good Thermal Fatigue Resistance** – Withstands cyclic temperature variations without degradation 5. **Excellent Fabricability** – Can be welded, formed, and machined using standard techniques 6. **Resistance to Sulfur Attack** – Performs well in sulfur-containing atmospheres 7. **Good Cyclic Oxidation Resistance** – Maintains integrity under thermal cycling conditions --- **Product Applications** **Heat Treatment Industry** - Furnace retorts and muffles - Heat treatment trays and baskets - Radiant tube sections - Roller hearth components - Annealing covers and bases **Chemical Processing** - Reactor vessel fabrication - High-temperature ducting - Process heater components - Catalyst support structures - Thermal reactor internals **Power Generation** - Heat recovery systems - Boiler components - Combustion chamber liners - High-temperature ductwork - Thermal oxidizer components **Aerospace & Defense** - Combustion chamber parts - Afterburner components - Heat shield panels - Exhaust system components - Rocket motor parts **Industrial Furnaces** - Heating element supports - Furnace linings and curtains - Burner plates and nozzles - Refractory anchors - Atmosphere generator parts --- **International Standards** | Standard Type | Standard Number | Specification | |---------------|-----------------|---------------| | **UNS** | **N06601** | Unified Numbering System | | **ASTM** | B168 | Nickel-Chromium-Iron Alloy Plate, Sheet, and Strip | | **ASME** | SB168 | 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 | --- **Fabrication & Processing** **Machining Guidelines** - **Cutting Speed**: 15–25 m/min (50–80 SFM) - **Feed Rate**: 0.15–0.25 mm/rev (0.006–0.010 IPR) - **Tool Material**: Carbide with positive rake angles - **Coolant**: Required for optimum results - **Chip Control**: Use chip breakers to prevent work hardening **Welding Characteristics** - **Weldability**: Excellent with proper procedures - **Methods**: GTAW, GMAW, SMAW, SAW - **Filler Metals**: ENiCrFe-2, ENiCrFe-3 - **Preheat**: Not required - **Post-Weld Heat Treatment**: Solution annealing recommended **Forming Operations** - **Cold Forming**: Good capability with proper techniques - **Hot Forming**: 1150–1230°C (2100–2250°F) - **Minimum Bend Radius**: 2T for annealed material - **Springback**: Allow for approximately 15° compensation --- **Heat Treatment** **Solution Annealing** - **Temperature**: 1065–1175°C (1950–2150°F) - **Time**: 1 hour per inch of thickness minimum - **Cooling**: Rapid air cool or water quench - **Atmosphere**: Controlled atmosphere for scale-free surface **Stress Relieving** - **Temperature**: 760–870°C (1400–1600°F) - **Time**: 1–2 hours per inch of thickness - **Cooling**: Air cool to room temperature --- **Quality Assurance & Testing** **Standard Testing** - Chemical analysis verification - Tensile testing at room temperature - Hardness testing - Impact testing (when specified) - Dimensional verification **Non-Destructive Testing** - Ultrasonic testing per ASTM A578 - Liquid penetrant examination - Magnetic particle testing - Radiographic examination (for welds) **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** **Oxidation Resistance Data** - **Maximum Continuous Service**: 1250°C (2282°F) - **Cyclic Service**: Up to 1150°C (2102°F) - **Oxidation Rate**: <0.5 mm/year at 1100°C - **Scale Formation**: Thin, adherent, and self-healing Al₂O₃ scale **Creep and Rupture Properties** - **1000h Rupture Strength at 980°C**: 35 MPa (5 ksi) - **1000h Rupture Strength at 1095°C**: 12 MPa (1.7 ksi) - **Minimum Creep Rate**: 0.0001%/h at 980°C under 35 MPa stress --- **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 --- **Technical Specifications** **Dimensional Tolerances** - **Thickness Tolerance**: ±5% standard - **Flatness**: 5 mm per meter maximum - **Length/Width**: ±3 mm standard tolerance **Quality Levels** - **Commercial Grade**: Standard applications - **Premium Grade**: Improved surface and dimensional control - **Aerospace Grade**: Premium quality with full certification --- **Packaging & Handling** **Standard Packaging** - Wooden crates with protective coating - Plastic or paper interleaving - 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 plates --- **Conclusion** Inconel 601 Plate (UNS N06601) offers an outstanding combination of exceptional high-temperature oxidation resistance, excellent mechanical strength, and superior fabrication characteristics in plate form. Its ability to form a protective aluminum oxide scale at elevated temperatures makes it particularly suitable for furnace components, heat treatment equipment, chemical processing vessels, and high-temperature structural applications. Available in various thicknesses and sizes with comprehensive international certification, Inconel 601 plate provides engineers and fabricators with 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 1733 gallon liquid totes Special package is available on request.