Alloy N,Hastelloy N Forgings,UNS N10003,E FORU

British Specs:，American Specs: AMS 5771 Bar and Forging AMS 5607 Sheet, Strip and Plate，German Specs:

**Product Data Sheet: Alloy N / Hastelloy® N Forgings (UNS N10003)** **Nickel-Molybdenum-Chromium Alloy Forgings for High-Temperature Service** --- ### **1. Product Overview** **Hastelloy® N Forgings** (UNS N10003) represent high-integrity nickel-molybdenum-chromium alloy components manufactured through controlled hot-working processes to achieve superior mechanical properties and enhanced structural reliability. These forgings combine the exceptional high-temperature corrosion resistance of Hastelloy N with optimized grain flow and improved density, making them ideal for critical applications in nuclear reactors, chemical processing equipment, and advanced energy systems where component integrity under extreme conditions is paramount. --- ### **2. Chemical Composition (Typical % by Weight)** | Element | Content (%) | Function | |---------|-------------|----------| | Nickel (Ni) | Balance | Base element providing high-temperature strength and stability | | Molybdenum (Mo) | 15.0-18.0 | Enhances strength and corrosion resistance in reducing environments | | Chromium (Cr) | 6.0-8.0 | Provides oxidation resistance at high temperatures | | Iron (Fe) | 5.0 max | Controlled for optimal thermal stability | | Silicon (Si) | 1.0 max | Enhances oxidation resistance | | Manganese (Mn) | 0.80 max | Deoxidizer and process control | | Aluminum (Al) | 0.50 max | Improves oxidation resistance | | Carbon (C) | 0.04-0.08 | Optimizes high-temperature strength | | Cobalt (Co) | 0.20 max | Controlled impurity | | Boron (B) | 0.010 max | Controlled for nuclear applications | | Sulfur (S) | 0.015 max | Minimized to prevent hot cracking | --- ### **3. Physical & Mechanical Properties** | Property | Value (Typical) | |----------|-----------------| | Density | 8.86 g/cm³ | | Melting Point | 1330-1360°C (2426-2480°F) | | Thermal Conductivity | 14.2 W/m·K at 20°C | | Coefficient of Thermal Expansion | 12.3 μm/m·K (20-100°C) | | Modulus of Elasticity | 217 GPa at 20°C | | **Room Temperature Mechanical Properties** | | | Tensile Strength | 750-950 MPa | | Yield Strength (0.2% Offset) | 380-650 MPa | | Elongation | 30-45% | | Reduction of Area | 40-60% | | Hardness (Rockwell B) | 95-110 HRB | | Impact Strength (Charpy V) | 80-130 J at 20°C | | **High-Temperature Mechanical Properties** | | | Tensile Strength at 760°C (1400°F) | 400-500 MPa | | Yield Strength at 760°C (1400°F) | 260-360 MPa | | Creep Rupture Strength (1000h, 815°C) | 60 MPa | --- ### **4. Product Applications** #### **4.1 Nuclear Energy Systems** - **Reactor Vessel Components**: Flanges, nozzles, and closure heads - **Core Support Structures**: Forged rings and structural elements - **Pump and Valve Bodies**: Pressure-containing components - **Heat Exchanger Parts**: Tube sheets, headers, and shells #### **4.2 Chemical Processing Equipment** - **Reactor Parts**: Agitators, blades, and internal components - **High-Pressure Vessels**: Forged components for corrosive service - **Column Internals**: Trays, supports, and distribution systems - **Mixer Components**: Shafts and blades for corrosive applications #### **4.3 Advanced Energy Systems** - **Turbine Components**: Rotors, discs, and blades - **Heat Exchanger Parts**: Headers and manifold blocks - **Pressure Vessels**: Components for advanced power cycles - **Solar Thermal Systems**: High-temperature receiver components #### **4.4 Specialized Industrial Applications** - **Aerospace Components**: Engine and structural elements - **Power Generation**: Turbine and boiler components - **Research Equipment**: Specialized high-temperature apparatus - **Marine Applications**: Components for corrosive marine environments --- ### **5. Key Features & Benefits** - **Enhanced Mechanical Properties**: Superior strength and toughness compared to cast products - **Optimized Grain Structure**: Directional grain flow provides improved fatigue resistance - **Exceptional Molten Salt Resistance**: Superior performance in fluoride salt environments up to 815°C - **High-Temperature Strength**: Maintains mechanical properties up to 980°C - **Improved Density**: Freedom from porosity and internal defects - **Superior Fatigue Strength**: Enhanced resistance to cyclic loading conditions - **Better Impact Toughness**: Improved resistance to impact and shock loading - **Nuclear Grade Available**: Suitable for nuclear applications with proper certification --- ### **6. International Standards & Specifications** | Standard Type | Specification Number | Description | |---------------|----------------------|-------------| | ASTM | B564 | Standard Specification for Nickel Alloy Forgings | | UNS | N10003 | Unified Numbering System Designation | | ASME | SB-564 | Code Case for Pressure Component Applications | | DIN | 2.4853 | Material Number and Specification | | EN | 2.4853 | European Standard Designation | | NACE | MR0175/ISO 15156 | Suitable for Sour Service Applications | --- ### **7. Product Specifications** #### **7.1 Forging Types & Capabilities** - **Open-Die Forgings**: Large components up to 5000 kg - **Closed-Die Forgings**: Precision shapes with minimal machining allowance - **Ring Rolled Forgings**: Circular components with optimized grain orientation - **Custom Shapes**: Complex geometries to near-net shape #### **7.2 Size Range & Tolerances** - **Weight Range**: 1 kg to 5000 kg - **Dimensional Tolerances**: Per ASTM B564 and customer specifications - **Surface Finish**: As-forged, rough machined, or finished machined - **Testing Requirements**: Ultrasonic, magnetic particle, or dye penetrant as specified --- ### **8. Fabrication & Processing Guidelines** #### **8.1 Forging Process** - **Forging Temperature**: 1170-1230°C (2140-2250°F) for hot working operations - **Reduction Ratios**: Minimum 3:1 for optimal grain refinement - **Heat Treatment**: Solution anneal at 1150-1200°C (2100-2190°F) followed by rapid cooling - **Quality Control**: Comprehensive process monitoring throughout manufacturing #### **8.2 Machining & Finishing** - **Machining Parameters**: Use positive rake carbide tools with adequate cooling - **Cutting Speeds**: 15-25 m/min for rough machining, 25-35 m/min for finishing - **Surface Treatments**: Passivation, polishing, or special coatings as required - **Final Inspection**: Complete dimensional and NDT verification --- ### **9. Quality Assurance & Certification** - **Material Certification**: EN 10204 3.1/3.2 with full traceability - **Non-Destructive Testing**: UT, RT, PT, MT as required by specification - **Mechanical Testing**: Tensile, impact, and hardness testing - **Chemical Analysis**: Verified by spectrometer and wet chemical methods - **Nuclear Certification**: NQA-1 compliance available for nuclear applications - **Certifications**: ISO 9001, ASME NPT, PED 2014/68/EU compliance - **Documentation**: Complete certification package including forging records --- **Disclaimer**: The technical information provided represents typical values and is for reference purposes. Actual properties may vary based on forging size, shape, and heat treatment condition. Users must verify suitability for specific applications through appropriate testing and consult with technical experts for critical applications, particularly in nuclear service. Hastelloy® is a registered trademark of Haynes International. Compliance with all applicable safety standards, codes, and regulations is mandatory.

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 2881 gallon liquid totes Special package is available on request.