Alloy 80A,Nimonic 80A Sheet,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 Sheet (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 **sheet** form, this material is engineered for high-temperature applications requiring exceptional creep resistance, oxidation resistance, and mechanical stability at temperatures up to **815°C (1500°F)**. The sheet product is ideal for lightweight structural components, liners, and formed parts in aerospace, power generation, and industrial sectors. --- ### **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 | | 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 | --- ### **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**: Retains mechanical properties under thermal and mechanical stress. - **Superior Creep Resistance**: Suitable for long-term service under load at elevated temperatures. - **Outstanding Oxidation Resistance**: Chromium content protects against oxidizing atmospheres. - **Age-Hardenable**: Heat treatable to optimize properties for specific applications. - **Good Formability**: Can be deep-drawn, spun, or stamped into complex shapes. - **Lightweight Structural Capability**: Thin sheet forms provide high strength-to-weight ratio. --- ### **6. Product Applications** **Aerospace & Defense:** - Gas turbine engine combustion liners - Afterburner components and heat shields - Exhaust system shrouds and seals - Aircraft firewall structures - Missile and rocket components **Power Generation:** - Gas turbine heat shield panels - Combustion chamber liners - Exhaust ducting components - Heat exchanger parts **Industrial Processing:** - Furnace liners and radiant plates - Heat treatment fixtures and trays - High-temperature gaskets and seals - Process equipment linings **Automotive & Racing:** - Turbocharger heat shields - 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 | --- ### **8. Sheet Specifications & Availability** **Thickness Ranges:** - **Standard Sheet**: 0.5 mm to 5 mm (0.02" to 0.2") - **Precision Sheets**: Custom thicknesses available **Standard Sizes:** - **Widths**: Up to 1500 mm (59") - **Lengths**: Up to 3000 mm (118") - **Custom Sizes**: Available to customer requirements **Surface Conditions:** - Cold rolled, annealed, and pickled - Bright annealed or matte finish - Ground or polished surfaces available --- ### **9. Heat Treatment** **Standard Sheet 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 Sheet:** - Uniform heating and cooling to prevent distortion. - Stress relief after forming operations. --- ### **10. Fabrication & Machining** **Forming Guidelines:** - **Cold Forming**: Suitable with adequate bend radii. - **Hot Forming**: 1050–1150°C (1920–2100°F) for complex shapes. - **Deep Drawing**: Possible with proper tool design and lubrication. **Welding Procedures:** - **Preferred Method**: GTAW (TIG). - **Filler Metal**: AWS A5.14 ERNiCr-3. - **Post-Weld Heat Treatment**: Recommended for critical applications. **Machining:** - Best machined in solution-treated condition. - Use carbide tools with positive rake angles and coolant. --- ### **11. Quality Assurance** - Dimensional verification per ASTM A480. - Chemical and mechanical certification. - 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.

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 2072 gallon liquid totes Special package is available on request.