Alloy 80A,Nimonic 80A Plate,UNS N07080,E FORU

British Specs:BS 3072 NA20 BS HR1 Alloy 80A Bar BS HR201 Alloy 80A sheet BS HR401 Alloy 80A Tube BS HR601 Alloy 80A Bar (rivet)，American Specs:ASTM B637，German Specs:WS 2.4631 WS 2.4952,AFNOR NC 20TA

### **Technical Datasheet: Alloy 80A / Nimonic 80A Plate (UNS N07080)** --- #### **1. Introduction** **Alloy 80A** (commercially known as **Nimonic 80A**, UNS N07080) is a nickel-chromium superalloy strengthened by age-hardening through titanium and aluminum additions. In **plate** form, this material is engineered for high-temperature structural applications requiring exceptional creep resistance, oxidation resistance, and mechanical stability at temperatures up to **815°C (1500°F)**. The plate product is particularly suited for fabricating large components that must withstand severe thermal and mechanical stress in aerospace, power generation, and industrial applications. --- #### **2. Chemical Composition (Weight %)** | Element | Content (%) | Role in the Alloy | |---------|-------------|-------------------| | Nickel (Ni) | Balance | Austenitic matrix, high-temperature stability | | Chromium (Cr) | 18.0–21.0 | Oxidation and corrosion resistance | | Titanium (Ti) | 1.8–2.7 | Primary age-hardening element (γ' precipitates) | | Aluminum (Al) | 1.0–1.8 | Secondary age-hardening element | | Iron (Fe) | ≤3.0 | Residual element | | Carbon (C) | ≤0.10 | Grain boundary strengthening | | Silicon (Si) | ≤1.0 | Oxidation resistance | | Manganese (Mn) | ≤1.0 | Deoxidation | | Copper (Cu) | ≤0.2 | Residual element | | Zirconium (Zr) | ≤0.15 | Creep property enhancement | | Boron (B) | ≤0.008 | Grain boundary strengthening | --- #### **3. Physical Properties** | Property | Value | Condition | |----------|-------|-----------| | Density | 8.19 g/cm³ (0.296 lb/in³) | At 20°C | | Melting Range | 1360–1385°C (2480–2525°F) | — | | Thermal Expansion Coefficient | 13.9 μm/m·°C | 20–100°C | | Thermal Conductivity | 11.7 W/m·K | At 20°C | | Specific Heat | 440 J/kg·K | At 20°C | | Modulus of Elasticity | 214 GPa (31.0 × 10⁶ psi) | At 20°C | | Electrical Resistivity | 1.24 μΩ·m | At 20°C | --- #### **4. Mechanical Properties (Solution Treated & Aged)** **Room Temperature Properties:** - **Tensile Strength**: 1000–1200 MPa (145–174 ksi) - **Yield Strength (0.2% Offset)**: 700–850 MPa (102–123 ksi) - **Elongation**: 15–25% - **Hardness**: 285–350 HB **Elevated Temperature Performance:** - **650°C (1200°F)**: Tensile Strength ≈ 800 MPa (116 ksi) - **750°C (1380°F)**: Tensile Strength ≈ 600 MPa (87 ksi) - **815°C (1500°F)**: Tensile Strength ≈ 400 MPa (58 ksi) **Creep Rupture Strength (1000 hours):** - 750°C (1380°F): ≈170 MPa (25 ksi) - 815°C (1500°F): ≈70 MPa (10 ksi) --- #### **5. Key Characteristics & Advantages** - **Excellent High-Temperature Strength**: Maintains mechanical properties under thermal and mechanical stress - **Superior Creep Resistance**: Ideal for long-term service under load at elevated temperatures - **Outstanding Oxidation Resistance**: Chromium content provides protection in oxidizing atmospheres - **Age-Hardenable**: Can be heat treated to optimize properties for specific applications - **Good Machinability**: Can be machined to precise tolerances in solution-treated condition - **Thermal Stability**: Resists dimensional changes and property degradation during thermal cycling - **Excellent Structural Integrity**: Plate form provides uniform properties throughout thickness --- #### **6. Product Applications** **Aerospace & Defense:** - Gas turbine engine combustion chambers - Afterburner components and liners - Exhaust system components - Structural support plates in high-temperature zones - Missile and rocket components **Power Generation:** - Gas turbine hot section components - Heat shield plates - Combustion liner assemblies - Turbine structural supports - Nuclear reactor components **Industrial Processing:** - Heat treatment furnace components - Hot work tooling plates - High-temperature fixture plates - Process reactor internals - Pyroprocessing equipment **Automotive & Racing:** - Turbocharger housings and components - High-performance exhaust systems - Racing engine 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 | | UNS | N07080 | Material Designation | --- #### **8. Plate Specifications & Availability** **Thickness Ranges:** - **Standard Plate**: 5 mm to 100 mm (0.2" to 4") - **Sheet**: 0.5 mm to 5 mm (0.02" to 0.2") - **Custom Thickness**: Available on request **Standard Sizes:** - **Widths**: Up to 2000 mm (78") - **Lengths**: Up to 6000 mm (236") - **Custom Sizes**: Available to customer requirements **Surface Conditions:** - Hot rolled, annealed, and descaled - Cold rolled, annealed, and pickled - Ground or machined surfaces available - Special surface finishes on request --- #### **9. Heat Treatment** **Standard Plate Heat Treatment:** 1. **Solution Treatment**: 1080°C (1975°F) for 8 hours, air cool 2. **Aging**: 700°C (1290°F) for 16 hours, air cool **Special Considerations for Plate:** - Uniform heating and cooling throughout thickness - Stress relief after machining operations - Localized heat treatment for repair and modification --- #### **10. Fabrication & Machining** **Machining Guidelines:** - **Optimal Condition**: Solution treated condition - **Tooling**: Carbide tools with positive rake angles - **Coolant**: Required for heavy machining operations - **Speeds and Feeds**: Moderate to maintain tool life **Welding Procedures:** - **Preferred Method**: GTAW (TIG) - **Filler Metal**: AWS A5.14 ERNiCr-3 - **Preheat**: Generally not required - **Post-Weld Heat Treatment**: Recommended for critical applications **Forming Operations:** - **Hot Forming**: 1050–1150°C (1920–2100°F) - **Cold Forming**: Possible with adequate radii - **Stress Relief**: Recommended after severe forming --- #### **11. Quality Assurance** - Ultrasonic testing per ASTM A578 - Chemical analysis certification - Mechanical testing reports - Dimensional verification - Surface quality inspection - Full material traceability - Compliance with customer specifications --- **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 2071 gallon liquid totes Special package is available on request.