Alloy 75,Nimonic 75 Sheet,UNS N06075,E FORU

British Specs:BS HR5 Alloy 75 Bar BS HR203 Alloy 75 sheet BS HR403 Alloy 75 tube* BS HR504 Alloy 75 Bar (rivet)，American Specs:，German Specs:WS 2.4630 WS 2.4951,AFNOR NC 20T

### **Product Datasheet: Alloy 75 / Nimonic 75 Sheet (UNS N06075)** **Alloy 75** (commercially known as **Nimonic 75**) sheet is a nickel-chromium alloy supplied in thin, flat form, offering excellent oxidation resistance and good mechanical properties at high temperatures up to 950°C. This product form combines outstanding high-temperature performance with excellent fabricability, making it ideal for applications requiring lightweight, formable components that must withstand elevated temperature environments. --- #### **1. Chemical Composition** The chemical composition of Nimonic 75 sheet is precisely controlled to ensure optimal high-temperature performance: | Element | Content (%) | |:---|:---| | **Nickel (Ni)** | Balance | | **Chromium (Cr)** | 18.0 - 21.0 | | **Iron (Fe)** | 3.0 - 5.0 | | **Titanium (Ti)** | 0.2 - 0.6 | | **Carbon (C)** | 0.08 - 0.15 | | **Manganese (Mn)** | 1.0 max | | **Silicon (Si)** | 1.0 max | | **Copper (Cu)** | 0.5 max | | **Sulfur (S)** | 0.015 max | *Note: The balanced composition provides excellent oxidation resistance through chromium content while maintaining good high-temperature strength and formability in thin sections.* --- #### **2. Physical Properties** Nimonic 75 sheet exhibits consistent physical properties across all gauges: | Property | Value | |:---|:---| | **Density** | 8.31 g/cm³ (0.300 lb/in³) | | **Melting Range** | 1380 - 1425°C (2516 - 2597°F) | | **Coefficient of Thermal Expansion** | 14.5 × 10⁻⁶/°C (20-100°C) | | **Thermal Conductivity** | 12.0 W/m·K (at 100°C) | | **Specific Heat** | 460 J/kg·K (at 100°C) | | **Modulus of Elasticity** | 214 GPa (31 × 10⁶ psi) | | **Electrical Resistivity** | 1.12 μΩ·m | | **Magnetic Permeability** | <1.01 (essentially non-magnetic) | --- #### **3. Mechanical Properties** **Standard Mechanical Properties (Solution Annealed Condition):** | Property | Value | |:---|:---| | **Tensile Strength** | 690 MPa (100 ksi) min | | **Yield Strength (0.2% Offset)** | 310 MPa (45 ksi) min | | **Elongation** | 45% min | | **Hardness** | 85 HRB max | **Properties by Thickness Range:** | Thickness | Tensile Strength | Yield Strength | Elongation | |:---|:---|:---|:---| | **0.5-3mm** | 660-760 MPa | 290-380 MPa | 40-50% | | **3-6mm** | 690-790 MPa | 310-410 MPa | 40-48% | | **6-12mm** | 690-800 MPa | 310-420 MPa | 38-46% | --- #### **4. Product Specifications** **Available Forms & Sizes:** - **Thickness:** 0.5mm to 12mm (0.020" to 0.472") - **Width:** 600mm to 2000mm (24" to 78") - **Length:** 1000mm to 6000mm (39" to 236") - **Temper Conditions:** Annealed, 1/4 Hard, 1/2 Hard **Surface Finishes:** - **No. 1:** Hot rolled, annealed, and pickled - **No. 2D:** Cold rolled, dull finish - **No. 2B:** Cold rolled, bright finish - **BA:** Bright annealed - **Polished:** Various grit finishes available --- #### **5. Product Applications** **Aerospace Industry:** - **Engine Components:** Combustion chamber liners and seals - **Heat Shields:** Thermal protection systems - **Exhaust Systems:** Ducting and fairing components - **Airframe Components:** High-temperature structural panels **Power Generation:** - **Gas Turbine Components:** Casing liners and seals - **Heat Exchanger Parts:** Baffles and separator plates - **Boiler Components:** Access doors and inspection ports - **Nuclear Applications:** Non-critical high-temperature parts **Industrial Processing:** - **Heat Treatment Equipment:** Furnace liners and inner covers - **Chemical Processing:** Reactor vessel linings - **Glass Manufacturing:** Forming tools and handling equipment - **Ceramic Industry:** Kiln furniture and protection plates **Automotive Industry:** - **Turbocharger Components:** Heat shields and gaskets - **Exhaust Systems:** Heat protection panels - **Performance Vehicles:** High-temperature brackets and mounts --- #### **6. International Standards** **Material Standards:** - **UNS N06075**: Unified Numbering System designation - **ASTM B168**: Standard for Nickel-Chromium-Aluminum Alloy Plate, Sheet, and Strip - **AMS 5755**: Aerospace Material Specification - **BS HR 501**: British Standard - **DIN 2.4951**: German Industrial Standard **Industry Specifications:** - **ASME SB168**: ASME Boiler and Pressure Vessel Code - **ISO 9724**: Aerospace series standards - **EN 10095**: Heat resisting steels and nickel alloys **Quality Standards:** - **ASTM E290**: Bend Testing for Ductility - **ASTM E517**: Plastic Strain Ratio (r-value) - **ASTM E646**: Tensile Strain-Hardening Exponents (n-values) - **EN 10204 3.1/3.2**: Material certification --- #### **7. Heat Treatment** **Solution Annealing:** - **Temperature:** 1150-1180°C (2100-2150°F) - **Cooling:** Rapid air cool or water quench - **Purpose:** To dissolve precipitated phases and optimize properties **Special Considerations for Sheet:** - **Flatness Control:** Critical during heat treatment - **Surface Protection:** To prevent oxidation during processing - **Quenching Rate:** Important for maintaining mechanical properties --- #### **8. Oxidation & Corrosion Resistance** **Excellent Performance In:** - **High-Temperature Oxidation:** Up to 950°C continuous service - **Sulfur-Containing Atmospheres:** Good resistance to sulfidation - **Carburizing Environments:** Moderate resistance - **Thermal Cycling:** Good resistance to thermal fatigue **Oxidation Performance Data:** - **Continuous Service Temperature:** Up to 950°C (1742°F) - **Oxidation Rate:** <0.1 mm/year at 900°C (1652°F) - **Scale Adherence:** Excellent, with protective chromia scale --- #### **9. Fabrication Characteristics** **Forming Operations:** - **Bending:** Minimum bend radius 2 × thickness for 90° bends - **Deep Drawing:** Good formability in annealed condition - **Stretch Forming:** Suitable for complex shapes - **Spinning:** Good formability for symmetrical parts **Machining:** - **Machinability Rating:** 40-50% (compared to 1212 steel) - **Tool Materials:** Carbide tools recommended - **Cutting Speeds:** 20-30 m/min for milling operations - **Feed Rates:** Moderate with positive rake angles **Welding:** - **Recommended Processes:** GTAW, GMAW, Laser - **Filler Metals:** AWS A5.14 ERNiCr-3 - **Preheat:** Not normally required - **Post-Weld Heat Treatment:** Recommended for critical applications --- #### **10. Quality Assurance** **Testing & Certification:** - **Chemical Analysis:** Certified mill test reports - **Mechanical Testing:** Tensile, hardness, bend tests - **Surface Inspection:** Visual and dimensional checks - **Non-Destructive Testing:** PT, UT as specified - **Flatness Measurement:** To specified tolerances **Dimensional Tolerances:** - **Thickness:** ±5% or ±0.05mm, whichever is greater - **Width/Length:** ±1mm to ±5mm depending on size - **Flatness:** 3mm per meter maximum - **Squareness:** 1mm per 100mm maximum --- #### **11. Key Advantages** * **Excellent Formability:** Can be deeply drawn and formed into complex shapes * **Superior Oxidation Resistance:** Outstanding performance at high temperatures up to 950°C * **High Strength-to-Weight Ratio:** Ideal for weight-sensitive applications * **Good Weldability:** Suitable for various welding processes * **Surface Quality:** Available in multiple finishes for different applications * **Industry Compliance:** Meets major international standards * **Proven Reliability:** Extensive service history in demanding applications Nimonic 75 sheet provides designers and manufacturers with a versatile, high-performance material solution for applications requiring excellent oxidation resistance, good formability, and reliable performance in high-temperature environments across aerospace, power generation, and industrial processing industries.

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 2046 gallon liquid totes Special package is available on request.