Alloy 75,Nimonic 75 Forgings,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 Forgings (UNS N06075)** **Alloy 75** (commercially known as **Nimonic 75**) forgings represent the premium product form of this nickel-chromium alloy, offering superior mechanical properties and structural integrity for high-temperature applications. The forging process enhances the alloy's inherent characteristics, providing optimized grain structure, improved toughness, and elimination of internal defects for demanding service conditions at temperatures up to 950°C. --- #### **1. Chemical Composition** The chemical composition of Nimonic 75 forgings is precisely controlled to ensure consistent 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 carefully balanced composition provides excellent oxidation resistance through chromium content while maintaining good high-temperature strength and stability in forged components.* --- #### **2. Physical Properties** Nimonic 75 forgings exhibit consistent physical properties: | 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) | | **Magnetic Permeability** | <1.01 (essentially non-magnetic) | --- #### **3. Mechanical Properties** **Standard Mechanical Properties (Solution Annealed Condition per ASTM B564):** | Property | Value | |:---|:---| | **Tensile Strength** | 690 MPa (100 ksi) min | | **Yield Strength (0.2% Offset)** | 310 MPa (45 ksi) min | | **Elongation** | 45% min | | **Reduction of Area** | 60% min | | **Hardness** | 85 HRB max | | **Impact Strength (Charpy V-Notch)** | 80 J min | **Elevated Temperature Properties:** - **Service Temperature:** Up to 950°C (1742°F) - **Creep Strength:** 100 MPa at 750°C (1382°F) - **Stress Rupture:** 100 hours at 815°C (1500°F) under 70 MPa stress --- #### **4. Product Specifications** **Available Forging Types:** - **Open Die Forgings:** Large components up to 3000 kg - **Closed Die Forgings:** Precision shapes with minimal machining - **Ring Rolled Forgings:** Seamless rings up to 2500 mm diameter - **Custom Shapes:** Engineered to customer specifications **Size Capabilities:** - **Weight Range:** 1 kg to 3000 kg - **Cross Sections:** Up to 800 mm - **Lengths:** Up to 4000 mm - **Complexity:** Simple to highly complex geometries --- #### **5. Product Applications** **Aerospace Industry:** - **Turbine Engine Components:** Mounting brackets, support rings - **Exhaust System Parts:** Nozzle supports, flange rings - **Combustion Chamber Components:** Structural supports - **Afterburner Parts:** Mounting flanges and rings **Power Generation:** - **Gas Turbine Components:** Blade rings, casing supports - **Heat Exchanger Parts:** Tube sheets, header forgings - **Boiler Components:** Valve bodies, manifold blocks - **Nuclear Applications:** Non-critical structural forgings **Industrial Processing:** - **Heat Treatment Equipment:** Furnace rolls, radiant tube supports - **Chemical Processing:** Reactor vessel flanges, agitator shafts - **Glass Manufacturing:** Forming roll forgings, mold components - **Petrochemical:** Reactor internals, support forgings **Automotive Industry:** - **Turbocharger Components:** Turbine housings, bearing supports - **High-Performance Engine Parts:** Exhaust manifolds, turbo mounts --- #### **6. International Standards** **Material Standards:** - **UNS N06075**: Unified Numbering System designation - **ASTM B564**: Standard Specification for Nickel Alloy Forgings - **ASME SB564**: ASME Boiler and Pressure Vessel Code - **AMS 5755**: Aerospace Material Specification - **DIN 2.4951**: German Industrial Standard **Industry Specifications:** - **ASME B31.1**: Power Piping Code - **ASME B31.3**: Process Piping Code - **PED 2014/68/EU**: Pressure Equipment Directive **Quality Standards:** - **ASTM A388**: Ultrasonic Examination of Heavy Steel Forgings - **ASTM E165**: Liquid Penetrant Examination - **ASTM E709**: Magnetic Particle Examination - **ISO 9001**: Quality Management Systems --- #### **7. Forging Process Advantages** **Metallurgical Benefits:** - **Refined Grain Structure:** Superior to cast or machined components - **Improved Density:** Elimination of porosity and voids - **Enhanced Toughness:** Superior impact and fatigue resistance - **Optimal Grain Flow:** Contoured to part geometry for maximum strength **Quality Enhancements:** - **Homogeneous Structure:** Consistent properties throughout - **Reduced Defects:** Minimal internal and surface imperfections - **Better Fatigue Life:** Superior resistance to cyclic loading - **Improved Reliability:** Proven performance in critical applications --- #### **8. Heat Treatment** **Solution Annealing:** - **Temperature Range:** 1150-1180°C (2100-2150°F) - **Cooling Method:** Rapid air cool or water quench - **Purpose:** To dissolve precipitated phases and optimize high-temperature properties **Aging Treatment (Optional):** - **Temperature:** 700-750°C (1290-1380°F) - **Time:** 8-16 hours, air cool - **Purpose:** To enhance mechanical properties for specific applications --- #### **9. 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 --- #### **10. Machining & Fabrication** **Machining Characteristics:** - **Machinability Rating:** 40-50% (compared to 1212 steel) - **Tool Materials:** Carbide tools recommended - **Cutting Parameters:** Moderate speeds with positive rake angles - **Coolant Requirements:** Essential for optimum results **Welding Capabilities:** - **Recommended Processes:** GTAW, GMAW, SMAW - **Filler Metals:** AWS A5.14 ERNiCr-3 - **Preheat/Interpass:** Generally not required - **Post-Weld Heat Treatment:** Recommended for critical applications --- #### **11. Quality Assurance** **Testing & Certification:** - **Chemical Analysis:** Certified mill test reports - **Mechanical Testing:** Tensile, hardness, impact tests - **Non-Destructive Testing:** UT, MT, PT, RT as required - **Macro/Micro Examination:** Grain structure verification - **Dimensional Inspection:** To drawing specifications **Quality Documentation:** - **Material Certificates:** EN 10204 3.1/3.2 - **Process Documentation:** Complete manufacturing records - **Heat Treatment Charts:** Certified temperature records - **Final Inspection Reports:** Comprehensive quality verification --- #### **12. Key Advantages** * **Superior Mechanical Properties:** Enhanced strength and toughness through forging process * **Excellent High-Temperature Performance:** Outstanding oxidation resistance up to 950°C * **Structural Integrity:** Optimized grain flow for maximum reliability * **Custom Geometries:** Capability to produce complex shapes * **Industry Compliance:** Meets major international standards * **Proven Performance:** Extensive track record in demanding applications * **Quality Assurance:** Comprehensive testing and certification * **Technical Support:** Engineering expertise for optimal design Nimonic 75 forgings provide the ultimate material solution for critical components requiring the highest levels of mechanical strength, oxidation resistance, and structural reliability in high-temperature applications across aerospace, power generation, and industrial processing sectors.

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 2049 gallon liquid totes Special package is available on request.