Alloy B-2,Hastelloy B-2 Strip,,E FORU

British Specs:，American Specs:，German Specs:

**Product Data Sheet: Alloy B-2 / Hastelloy® B-2 Strip** **Nickel-Molybdenum Alloy Strip for Severe Corrosive Service** --- ### **1. Product Overview** **Hastelloy® B-2 Strip** is a nickel-molybdenum alloy supplied in thin, narrow coiled form, specifically engineered for applications requiring exceptional resistance to reducing environments combined with precise dimensional accuracy and superior surface quality. This strip product maintains all the superior corrosion-resistant properties of Hastelloy B-2 while offering the precision required for automated manufacturing processes, making it ideal for electronic components, precision instruments, and specialized industrial applications in highly corrosive environments. --- ### **2. Chemical Composition (Typical % by Weight)** | Element | Content (%) | Function | |---------|-------------|----------| | Nickel (Ni) | Balance | Base element providing corrosion resistance and metallurgical stability | | Molybdenum (Mo) | 26.0-30.0 | Primary element for resistance to reducing acids | | Iron (Fe) | 2.0 max | Controlled to minimize detrimental phase formation | | Chromium (Cr) | 1.0 max | Limited to maintain performance in reducing environments | | Manganese (Mn) | 1.0 max | Deoxidizer and process control | | Silicon (Si) | 0.10 max | Controlled to prevent silicide formation | | Carbon (C) | 0.02 max | Minimized to prevent carbide precipitation | | Cobalt (Co) | 1.0 max | Controlled impurity | | Phosphorus (P) | 0.04 max | Controlled to prevent embrittlement | | Sulfur (S) | 0.03 max | Minimized to prevent hot cracking | --- ### **3. Physical & Mechanical Properties** | Property | Value (Typical) | |----------|-----------------| | Density | 9.22 g/cm³ | | Melting Point | 1330-1380°C (2426-2516°F) | | Thermal Conductivity | 10.8 W/m·K at 20°C | | Coefficient of Thermal Expansion | 10.3 μm/m·K (20-100°C) | | Electrical Resistivity | 1.35 μΩ·m at 20°C | | Modulus of Elasticity | 217 GPa at 20°C | | Tensile Strength | 600-850 MPa | | Yield Strength (0.2% Offset) | 250-500 MPa | | Elongation | 30-50% | | Hardness (Rockwell B) | 85-100 HRB | | Maximum Service Temperature | 400°C (750°F) | --- ### **4. Product Applications** #### **4.1 Electronic & Electrical Components** - **Lead Frames**: Semiconductor packaging components for corrosive environments - **Connector Components**: Corrosion-resistant electrical contacts and terminals - **Spring Contacts**: High-performance spring elements in chemical instrumentation - **Electrical Shielding**: EMI/RFI shielding in corrosive atmospheres #### **4.2 Precision Instrumentation** - **Sensor Components**: Corrosive environment sensing elements - **Measuring Devices**: Precision parts for analytical instruments - **Control System Components**: Automated control system parts in chemical plants - **Laboratory Equipment**: Corrosion-resistant instrument components #### **4.3 Industrial Applications** - **Seal Components**: Gaskets and sealing strips for acid service - **Shim Stock**: Precision spacing and alignment components - **Washer Materials**: Corrosion-resistant washers and spacers - **Specialized Fasteners**: Custom fastener production #### **4.4 Chemical Processing** - **Packing Materials**: For pumps and valves in corrosive service - **Spacer Elements**: In heat exchangers and process equipment - **Filter Components**: Corrosion-resistant filter elements - **Reactor Internals**: Precision components for chemical reactors --- ### **5. Key Features & Benefits** - **Exceptional Resistance to Reducing Acids**: Superior performance in hydrochloric acid at all concentrations and temperatures - **Precision Dimensional Accuracy**: Tight thickness and width tolerances for automated manufacturing - **Excellent Formability**: Suitable for high-speed stamping, bending, and forming operations - **Low Carbon Content**: Minimizes carbide precipitation during welding and thermal processing - **Consistent Mechanical Properties**: Uniform properties throughout strip length - **Superior Surface Quality**: Clean, smooth surface ideal for plating and further processing - **Good Weldability**: Compatible with resistance welding and other joining methods - **Cost-Effective Manufacturing**: Enables high-volume production of precision components --- ### **6. International Standards & Specifications** | Standard Type | Specification Number | Description | |---------------|----------------------|-------------| | ASTM | B333 | Standard Specification for Plate, Sheet, and Strip | | UNS | N10665 | Unified Numbering System Designation | | ASME | SB-333 | Code Case for Pressure Component Applications | | DIN | 2.4617 | Material Number and Specification | | EN | 2.4617 | European Standard Designation | | ISO | 6208 | Nickel Alloy Strip for General Corrosion-Resistant Applications | --- ### **7. Product Specifications** #### **7.1 Strip Dimensions & Tolerances** - **Thickness Range**: 0.05 mm to 2.0 mm (0.002" to 0.080") - **Width Range**: 2 mm to 600 mm (0.08" to 24") - **Coil Weight**: Standard 50-500 kg; custom weights available - **Thickness Tolerance**: ±0.005 mm to ±0.03 mm depending on gauge - **Width Tolerance**: ±0.05 mm to ±0.2 mm depending on width - **Camber**: ≤1 mm per meter for precision applications #### **7.2 Available Conditions & Finishes** - **Temper Conditions**: Annealed, 1/8 hard, 1/4 hard, 1/2 hard, full hard - **Surface Finish**: Bright annealed, 2B finish, or special polished surfaces - **Edge Condition**: Slit edge, round edge, or precision sheared edges - **Special Processing**: Skin passed, tension leveled, or special annealed conditions --- ### **8. Fabrication & Processing Guidelines** #### **8.1 Manufacturing Processes** - **High-Speed Stamping**: Excellent for precision blanking and forming operations - **Photochemical Etching**: Suitable for complex and delicate component production - **Progressive Die Stamping**: Ideal for high-volume component manufacturing - **Laser Cutting**: Precision cutting of intricate shapes and patterns - **Fine Blanking**: Suitable for components requiring smooth edge surfaces #### **8.2 Heat Treatment & Finishing** - **Solution Annealing**: 1065-1120°C (1950-2050°F) followed by rapid cooling - **Stress Relieving**: Generally not recommended - **Surface Treatment**: Ideal for plating, coating, and surface modifications - **Cleaning**: Ultrasonic and chemical cleaning for critical applications #### **8.3 Quality Control** - **Dimensional Verification**: Regular monitoring of thickness and width - **Surface Inspection**: Visual and microscopic examination for defects - **Mechanical Testing**: Periodic verification of mechanical properties - **Corrosion Testing**: Quality assurance testing for critical applications --- ### **9. Quality Assurance & Certification** - **Material Certification**: EN 10204 3.1/3.2 with full traceability - **Dimensional Verification**: Certified to meet precise thickness and width tolerances - **Surface Quality**: Controlled surface finish free from defects and contamination - **Testing Protocols**: Mechanical testing, chemical analysis, corrosion testing - **Certifications**: ISO 9001, ISO 14001, PED 2014/68/EU compliance - **Documentation**: Certified Mill Test Reports with complete material properties - **Traceability**: Complete lot traceability from raw material to finished strip --- **Disclaimer**: The technical information provided represents typical values and is for reference purposes. Actual properties may vary based on manufacturing process, strip dimensions, and heat treatment condition. Users must verify suitability for specific applications through appropriate testing and consult with technical experts for critical applications. 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 2866 gallon liquid totes Special package is available on request.