Alloy 601，Inconel 601 Sheet，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 Sheet / UNS N06601 – Nickel-Chromium-Iron-Aluminum Alloy Sheet** **Product Overview** Inconel 601 Sheet (UNS N06601) is a nickel-chromium-iron-aluminum alloy sheet product that provides exceptional resistance to high-temperature oxidation, corrosion, and mechanical degradation. This sheet 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 where thin-section materials are required. --- **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 (Sheet – Annealed Condition)** | Property | Room Temperature | 800°C (1472°F) | 1000°C (1832°F) | |-----------------------------|------------------|----------------|-----------------| | **Tensile Strength** | 620–720 MPa | 170–210 MPa | 75–100 MPa | | **Yield Strength (0.2% Offset)** | 260–330 MPa | 110–140 MPa | 55–75 MPa | | **Elongation in 2"** | 40–55% | 35–50% | 45–65% | | **Hardness** | 75–90 HRB | 65–80 HRB | 55–70 HRB | | **Shear Strength** | 380–450 MPa | 150–190 MPa | 80–110 MPa | **Cold Rolled Sheet Properties** - **Tensile Strength**: 690–860 MPa (100–125 ksi) - **Yield Strength**: 550–690 MPa (80–100 ksi) - **Elongation**: 20–35% --- **Sheet Specifications & Available Forms** **Sheet Types** - Hot rolled sheet - Cold rolled sheet - Annealed and pickled sheet - Stress relieved sheet **Thickness Ranges** - **Standard Sheet**: 0.5 mm to 6 mm (0.020" to 0.250") - **Thin Sheet**: 0.1 mm to 0.5 mm (0.004" to 0.020") - **Width**: Up to 1500 mm (60") - **Length**: Up to 3000 mm (120") **Surface Finishes** - No. 1 – Hot rolled, annealed, and pickled - No. 2D – Cold rolled, dull finish - No. 2B – Cold rolled, bright finish - Polished finishes (various grits) - Brush finished --- **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 Formability** – Can be bent, drawn, and formed using standard techniques 6. **Resistance to Sulfur Attack** – Performs well in sulfur-containing atmospheres 7. **Good Weldability** – Can be welded using common welding techniques --- **Product Applications** **Heat Treatment Industry** - Furnace inner covers and linings - Heat treatment fixtures and jigs - Retort sections and components - Annealing trays and baskets - High-temperature shields **Chemical Processing** - Reactor vessel linings - High-temperature ducting - Process heater panels - Catalyst support plates - Thermal reactor internals **Aerospace & Defense** - Combustion chamber liners - Afterburner components - Heat shield panels - Exhaust system shrouds - Rocket engine components **Power Generation** - Heat recovery system panels - Combustion chamber linings - High-temperature ductwork - Thermal protection systems - Boiler component panels **Industrial Applications** - Heating element supports - Industrial furnace linings - Burner plates - High-temperature conveyor belts - Process equipment covers --- **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** **Forming Operations** - **Bending**: Minimum bend radius 2T (annealed), 4T (cold rolled) - **Drawing**: Good deep drawing characteristics in annealed condition - **Stamping**: Suitable for blanking and punching operations - **Spinning**: Excellent for spun components in annealed condition **Welding Characteristics** - **Weldability**: Excellent with proper procedures - **Methods**: GTAW, GMAW, SMAW - **Filler Metals**: ENiCrFe-2, ENiCrFe-3 - **Preheat**: Not required - **Post-Weld Heat Treatment**: Solution annealing recommended **Machining Guidelines** - **Cutting Speed**: 15–25 m/min (50–80 SFM) - **Feed Rate**: 0.10–0.20 mm/rev (0.004–0.008 IPR) - **Tool Material**: Carbide with positive rake angles - **Coolant**: Required for optimum results --- **Heat Treatment** **Solution Annealing** - **Temperature**: 1065–1175°C (1950–2150°F) - **Time**: 30 minutes 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 hour 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 - Bend testing - Dimensional verification **Non-Destructive Testing** - Liquid penetrant examination - Ultrasonic testing - Eddy current testing - Visual inspection **Certification Requirements** - Mill Test Certificates per EN 10204 3.1 - Chemical analysis certificates - Mechanical test reports - Heat treatment records - Surface finish verification --- **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 Properties** - **1000h Rupture Strength at 980°C**: 30 MPa (4.3 ksi) - **1000h Rupture Strength at 1095°C**: 10 MPa (1.4 ksi) - **Minimum 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 --- **Technical Specifications** **Thickness Tolerances** - **0.5–1.0 mm**: ±0.08 mm - **1.0–2.0 mm**: ±0.10 mm - **2.0–3.0 mm**: ±0.12 mm - **3.0–6.0 mm**: ±0.15 mm **Flatness Requirements** - **Standard**: 5 mm per meter maximum - **Precision**: 2 mm per meter maximum - **Special**: Custom requirements available --- **Packaging & Handling** **Standard Packaging** - Wooden crates with protective coating - Plastic or paper interleaving between sheets - Weather-proof wrapping - Clear identification and heat number labeling **Special Packaging** - VCI (Vapor Corrosion Inhibitor) paper - Individual sheet protection - Custom packaging for export - Certified clean for specific applications **Storage & Handling** - Store in clean, dry conditions - Protect from mechanical damage - Keep flat to prevent warping - Use proper lifting equipment --- **Conclusion** Inconel 601 Sheet (UNS N06601) provides an outstanding combination of exceptional high-temperature oxidation resistance, excellent mechanical strength, and superior fabrication characteristics in sheet form. Its ability to form a protective aluminum oxide scale at elevated temperatures makes it particularly suitable for furnace components, heat treatment fixtures, aerospace components, and high-temperature applications where thin-section materials are required. Available in various thicknesses, widths, and surface finishes with comprehensive international certification, Inconel 601 sheet offers manufacturers and fabricators a reliable material solution for demanding high-temperature applications where oxidation resistance, formability, and long-term performance are essential 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 1734 gallon liquid totes Special package is available on request.