Alloy 86,Nimonic 86 Sheet,,E FORU

British Specs:，American Specs:，German Specs:

### Technical Datasheet: Alloy 86 / Nimonic 86 Sheet --- #### **1. Introduction** **Alloy 86** (commercially known as **Nimonic 86**) is a nickel-chromium-cobalt superalloy specifically engineered for extreme high-temperature service in aggressive environments. In **sheet** form, this material combines exceptional high-temperature strength with outstanding oxidation resistance, making it ideal for lightweight structural components, liners, and formed parts that must operate reliably at temperatures up to **1150°C (2100°F)**. The sheet product offers excellent formability and weldability for fabricating complex components in aerospace, power generation, and industrial processing applications. --- #### **2. Chemical Composition (Weight %)** | Element | Content (%) | Role in the Alloy | |---------|-------------|-------------------| | **Nickel (Ni)** | Balance | Austenitic matrix, high-temperature stability | | **Chromium (Cr)** | 24.0–27.0 | Superior oxidation and corrosion resistance | | **Cobalt (Co)** | 15.0–20.0 | Solid solution strengthening | | **Iron (Fe)** | ≤ 7.0 | Residual element | | **Carbon (C)** | 0.05–0.10 | Grain boundary strengthening | | **Silicon (Si)** | 0.2–0.6 | Oxidation resistance enhancement | | **Manganese (Mn)** | ≤ 0.5 | Deoxidation | | **Titanium (Ti)** | ≤ 0.5 | Residual element | | **Copper (Cu)** | ≤ 0.5 | Residual element | | **Aluminum (Al)** | ≤ 0.5 | Residual element | | **Zirconium (Zr)** | ≤ 0.05 | Creep property enhancement | | **Boron (B)** | ≤ 0.005 | Grain boundary strengthening | --- #### **3. Physical Properties** | Property | Value | Condition | |----------|-------|-----------| | **Density** | 8.16 g/cm³ (0.295 lb/in³) | At 20°C | | **Melting Range** | 1350–1400°C (2460–2550°F) | — | | **Thermal Expansion Coefficient** | 14.2 μm/m·°C | 20–100°C | | **Thermal Conductivity** | 12.1 W/m·K | At 20°C | | **Specific Heat** | 450 J/kg·K | At 20°C | | **Modulus of Elasticity** | 215 GPa (31.2 × 10⁶ psi) | At 20°C | | **Electrical Resistivity** | 1.25 μΩ·m | At 20°C | --- #### **4. Mechanical Properties (Solution Annealed)** **Room Temperature Properties:** - **Tensile Strength**: 690–830 MPa (100–120 ksi) - **Yield Strength (0.2% Offset)**: 310–450 MPa (45–65 ksi) - **Elongation**: 35–50% - **Hardness**: 170–220 HB - **r-value (Plastic Strain Ratio)**: 0.9–1.1 **Elevated Temperature Performance:** - **800°C (1470°F)**: Tensile Strength ≈ 450 MPa (65 ksi) - **1000°C (1830°F)**: Tensile Strength ≈ 150 MPa (22 ksi) - **1100°C (2010°F)**: Tensile Strength ≈ 80 MPa (12 ksi) **Formability Parameters:** - **Minimum Bend Radius**: 1.0 × thickness (90° bend) - **Erichen Cupping Value**: 10–12 mm - **Limiting Drawing Ratio**: 2.0–2.2 --- #### **5. Key Characteristics & Advantages** - **Exceptional High-Temperature Strength**: Maintains mechanical properties under thermal stress up to 1150°C - **Superior Oxidation Resistance**: Chromium content provides excellent protection in oxidizing atmospheres - **Excellent Carburization Resistance**: Outstanding performance in carburizing environments - **Good Formability**: Can be deep drawn, spun, and stamped into complex shapes - **Lightweight Structural Capability**: Thin sheet forms provide high strength-to-weight ratio - **Excellent Weldability**: Suitable for all common welding methods - **Thermal Stability**: Resists dimensional changes during thermal cycling - **Consistent Thickness Control**: Precision rolled to maintain uniform mechanical properties --- #### **6. Product Applications** **Aerospace & Defense:** - Gas turbine engine combustion liners - Afterburner components and heat shields - Exhaust system shrouds and seals - Aircraft firewall structures - Rocket motor components **Heat Treatment Industry:** - Furnace liners and curtains - Retort and muffle assemblies - Heat treatment fixture components - Brazing and sintering trays - Annealing furnace internal panels **Power Generation:** - Gas turbine heat shield panels - Combustion chamber liners - Exhaust ducting components - Heat exchanger parts - Boiler internal liners **Chemical & Petrochemical:** - Reactor vessel liners - Process chamber internal panels - Heater wall components - Catalyst support panels - High-temperature duct liners **Other Applications:** - Glass manufacturing furnace components - Ceramic kiln furniture - Semiconductor processing equipment - Automotive exhaust system components --- #### **7. International Standards** | Standard Organization | Standard Designation | Description | |----------------------|---------------------|-------------| | **ASTM International** | ASTM B435 | Plate, Sheet, and Strip | | **ASTM International** | ASTM B906 | General Requirements for Flat-Rolled Nickel Alloys | | **ASME** | SB-435 | Plate, Sheet, and Strip (Pressure Vessel Code) | | **Aerospace (SAE)** | AMS 5872 | Sheet, Strip, and Plate | | **European Standards** | EN 10095 | Heat Resisting Steels and Nickel Alloys | | **ISO** | ISO 6207 | Rolled Nickel and Nickel Alloy Sheet | --- #### **8. Sheet Specifications & Availability** **Thickness Ranges:** - **Ultra-Thin Sheet**: 0.3 mm to 0.8 mm (0.012" to 0.032") - **Standard Sheet**: 0.8 mm to 3.0 mm (0.032" to 0.125") - **Heavy Sheet**: 3.0 mm to 6.0 mm (0.125" to 0.250") **Standard Sizes:** - **Widths**: 600 mm to 1500 mm (24" to 60") - **Lengths**: 1500 mm to 3000 mm (60" to 120") - **Custom Sizes**: Available to customer requirements **Surface Conditions:** - **No. 1 Finish**: Hot rolled, annealed, and descaled - **No. 2D Finish**: Cold rolled, dull finish - **No. 2B Finish**: Cold rolled, bright finish - **BA Finish**: Bright annealed - **Polished Finish**: Special polished surfaces **Tolerances:** - **Thickness**: ±5% standard, ±3% precision - **Width**: ±1 mm standard - **Length**: ±2 mm standard - **Flatness**: ≤ 3 mm per meter --- #### **9. Heat Treatment** **Standard Sheet Heat Treatment:** - **Solution Annealing**: 1150–1180°C (2100–2150°F) for 15–30 minutes, rapid cool - **Stress Relieving**: 850–900°C (1560–1650°F) for 30–60 minutes **Special Considerations:** - Protective atmosphere annealing for bright surfaces - Tension leveling for superior flatness - Controlled cooling to prevent distortion --- #### **10. Fabrication & Processing** **Forming Operations:** - **Deep Drawing**: Excellent capability with proper tool design - **Stretch Forming**: Suitable for complex contours - **Spinning**: Ideal for axisymmetric components - **Press Brake Forming**: Minimum bend radius = 1.0 × thickness - **Rubber Pad Forming**: Suitable for shallow forms **Welding Procedures:** - **GTAW (TIG)**: Preferred for precision work - **GMAW (MIG)**: Suitable for production welding - **Resistance Welding**: Spot and seam welding possible - **Laser Welding**: For high-precision applications - **Filler Metal**: AWS A5.14 ERNiCr-3 **Machining Guidelines:** - **Shearing**: Clean edges with minimal burr - **Punching**: Suitable for hole creation - **Laser Cutting**: Excellent results with proper parameters - **Waterjet Cutting**: Ideal for complex shapes --- #### **11. Quality Assurance** **Testing & Inspection:** - **Dimensional Verification**: 100% thickness measurement - **Surface Quality**: Visual and microscopic examination - **Mechanical Testing**: Tensile, hardness, bend testing - **Metallurgical Testing**: Grain size, microstructure analysis - **Flatness Measurement**: Laser scanning for critical applications **Certification:** - Mill test certificates per EN 10204 3.1/3.2 - Chemical analysis reports - Mechanical test reports - Surface quality certification - Full material traceability **Special Requirements:** - **Clean Room Packaging**: For critical applications - **Custom Marking**: Per customer specifications - **Special Handling**: For sensitive surfaces - **Just-in-Time Delivery**: Available for production needs --- **Disclaimer:** This technical data is for informational purposes only. Properties may vary based on manufacturing process, heat treatment, and specific product form. For critical applications, consult current manufacturer technical data sheets and relevant industry standards. Always verify material certification and testing requirements for specific service conditions.

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 2085 gallon liquid totes Special package is available on request.