Alloy N,Hastelloy N Rod,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 Rod (UNS N10003)** **Nickel-Molybdenum-Chromium Alloy Rod for High-Temperature Service** --- ### **1. Product Overview** **Hastelloy® N Rod** (UNS N10003) is a nickel-molybdenum-chromium alloy supplied in rod form, specifically engineered for high-temperature applications requiring exceptional resistance to molten fluoride salts and corrosive environments. This product form is ideal for manufacturing shafts, fasteners, valves, and other critical components in nuclear, chemical processing, and aerospace applications where superior high-temperature performance is essential. --- ### **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) | | Specific Heat Capacity | 448 J/kg·K at 20°C | | Modulus of Elasticity | 217 GPa at 20°C | | **Mechanical Properties at Room Temperature** | | | Tensile Strength | 690-895 MPa | | Yield Strength (0.2% Offset) | 310-620 MPa | | Elongation | 35-55% | | Reduction of Area | 40-60% | | Hardness (Rockwell B) | 85-100 HRB | | **Mechanical Properties at 760°C (1400°F)** | | | Tensile Strength | 380-480 MPa | | Yield Strength (0.2% Offset) | 240-340 MPa | | Elongation | 25-40% | --- ### **4. Product Applications** #### **4.1 Nuclear Energy Systems** - **Reactor Core Components**: Control rod drives and structural elements - **Molten Salt System Parts**: Pump shafts and valve components - **Fuel Handling Equipment**: Components for fuel rod manipulation - **Heat Exchanger Parts**: Structural elements in advanced reactor designs #### **4.2 Chemical Processing** - **High-Temperature Reactor Internals**: Agitator shafts and mixing components - **Furnace Parts**: Heat treatment fixture components - **Catalyst Support Systems**: Structural elements in reformer units - **Process Instrumentation**: Components for high-temperature measurement #### **4.3 Aerospace & Defense** - **Rocket Engine Components**: Nozzle parts and support structures - **Gas Turbine Parts**: High-temperature fasteners and bushings - **Exhaust System Components**: Structural elements in high-temperature zones - **Specialized Fasteners**: High-temperature bolting applications #### **4.4 Industrial Applications** - **Heat Treating Fixtures**: Jigs and fixtures for high-temperature processing - **Glass Manufacturing**: Mandrels and forming tools - **Power Generation**: Turbine and boiler components - **Research Equipment**: Specialized laboratory apparatus --- ### **5. Key Features & Benefits** - **Exceptional Molten Salt Resistance**: Superior performance in fluoride salt environments up to 815°C (1500°F) - **High-Temperature Strength**: Maintains mechanical properties at temperatures up to 980°C (1800°F) - **Excellent Oxidation Resistance**: Performs well in oxidizing atmospheres - **Good Fabricability**: Can be machined, turned, and threaded using standard methods - **Thermal Stability**: Resists thermal aging and embrittlement - **Consistent Quality**: Uniform properties throughout rod cross-section - **Nuclear Grade Availability**: Suitable for nuclear applications with proper certification - **Long Service Life**: Extended component lifetime in demanding environments --- ### **6. International Standards & Specifications** | Standard Type | Specification Number | Description | |---------------|----------------------|-------------| | ASTM | B335 | Standard Specification for Nickel-Molybdenum Alloy Rod | | UNS | N10003 | Unified Numbering System Designation | | ASME | SB-335 | Code Case for Pressure Component Applications | | DIN | 2.4853 | Material Number and Specification | | EN | 2.4853 | European Standard Designation | | ISO | 9724 | Nickel Alloy Rods for General Purpose | --- ### **7. Product Specifications** #### **7.1 Rod Dimensions & Tolerances** - **Diameter Range**: 3.0 mm to 300 mm (0.125" to 12") - **Length**: Standard 3-6 meters; custom lengths available - **Diameter Tolerance**: ±0.1 mm to ±0.5% depending on diameter - **Straightness**: ≤1 mm per meter for precision applications - **Surface Finish**: Turned, ground, or polished finishes available #### **7.2 Available Conditions** - **Solution Annealed**: Optimal corrosion resistance and machinability - **Hot Finished**: For larger diameters and specific applications - **Cold Finished**: Improved surface finish and dimensional accuracy - **Special Tempers**: Various strength levels available upon request --- ### **8. Fabrication & Processing Guidelines** #### **8.1 Machining Recommendations** - **Cutting Tools**: Use carbide tools with positive rake angles - **Cutting Speeds**: 20-35 m/min for rough machining - **Feed Rates**: Moderate feeds with adequate cooling - **Coolants**: Use sulfur-free cutting fluids for optimal results - **Threading**: Excellent thread formation characteristics #### **8.2 Welding & Joining** - **Welding Methods**: GTAW (TIG) preferred for critical applications - **Filler Metals**: Use matching composition filler metals - **Preheating**: Generally not required - **Interpass Temperature**: Maintain below 150°C (300°F) - **Post-Weld Heat Treatment**: Stress relief at 870-900°C recommended #### **8.3 Heat Treatment** - **Solution Annealing**: 1150-1200°C (2100-2190°F) followed by rapid cooling - **Stress Relieving**: 870-900°C (1600-1650°F) for dimensional stability - **Annealing Atmosphere**: Use protective atmosphere to prevent oxidation --- ### **9. Quality Assurance & Certification** - **Material Certification**: EN 10204 3.1/3.2 with full traceability - **Testing Protocols**: Mechanical testing, chemical analysis, high-temperature testing - **Non-Destructive Testing**: UT, MT, PT available as required - **Nuclear Certification**: NQA-1 compliance available for nuclear applications - **Certifications**: ISO 9001, ASME, NORSOK compliance - **Documentation**: Certified Mill Test Reports with complete material properties --- **Disclaimer**: The technical information provided represents typical values and is for reference purposes. Actual properties may vary based on manufacturing process, rod diameter, 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 2873 gallon liquid totes Special package is available on request.