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

British Specs:，American Specs:，German Specs:

**Product Data Sheet: Alloy B-2 / Hastelloy® B-2 Sheet** **Nickel-Molybdenum Alloy Sheet for Severe Corrosive Service** --- ### **1. Product Overview** **Hastelloy® B-2 Sheet** is a nickel-molybdenum alloy supplied in thin, flat-rolled form, specifically engineered to provide exceptional resistance to reducing environments. This low-carbon, low-iron, and low-silicon version offers superior performance in hydrochloric acid, sulfuric acid, and other aggressive reducing media, making it ideal for fabricating tanks, vessels, ductwork, and various components where conventional materials cannot withstand the corrosive conditions. --- ### **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) | | Specific Heat Capacity | 427 J/kg·K at 20°C | | Modulus of Elasticity | 217 GPa at 20°C | | Tensile Strength | 950-1150 MPa | | Yield Strength (0.2% Offset) | 400-650 MPa | | Elongation | 35-55% | | Hardness (Rockwell B) | 90-100 HRB | | Maximum Service Temperature | 400°C (750°F) | --- ### **4. Product Applications** #### **4.1 Chemical Processing Equipment** - **Tank Linings**: Sheet linings for concrete and carbon steel tanks - **Vessel Fabrication**: Chemical process vessels and storage containers - **Ductwork Systems**: Corrosive fume handling and ventilation ductwork - **Cover Plates**: Access covers and manway covers for process equipment #### **4.2 Pharmaceutical & Fine Chemicals** - **Reactor Linings**: Protective linings for pharmaceutical reactors - **Process Vessels**: Equipment for drug manufacturing processes - **Clean Room Components**: Corrosion-resistant clean room equipment - **Transfer Systems**: Ducting for chemical transfer systems #### **4.3 Industrial Applications** - **Pickling Equipment**: Tanks and covers for metal pickling lines - **Electroplating**: Tanks and components for plating solutions - **Acid Storage**: Containers for hydrochloric and sulfuric acid storage - **Pollution Control**: Scrubber components and ductwork --- ### **5. Key Features & Benefits** - **Exceptional Resistance to Reducing Acids**: Superior performance in hydrochloric acid at all concentrations and temperatures - **Excellent Formability**: Can be readily formed, bent, and shaped into complex configurations - **Low Carbon Content**: Minimizes carbide precipitation during welding and thermal processing - **Good Weldability**: Can be welded using all standard techniques with minimal preheating - **Consistent Thickness**: Precision rolling ensures uniform gauge throughout the sheet - **Superior Surface Quality**: Clean, scale-free surface ideal for fabrication and service - **Cost-Effective Solution**: Provides corrosion protection at competitive cost - **Proven Reliability**: Long service life in demanding chemical environments --- ### **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 Sheet for General Corrosion-Resistant Applications | --- ### **7. Product Specifications** #### **7.1 Sheet Dimensions & Tolerances** - **Thickness Range**: 0.5 mm to 3.0 mm (0.020" to 0.125") - **Standard Sizes**: 1000×2000 mm, 1220×2440 mm, 1500×3000 mm - **Width Range**: 600 mm to 1500 mm (24" to 60") - **Thickness Tolerance**: ±0.02 mm to ±0.1 mm depending on gauge - **Flatness**: Excellent for precision fabrication requirements #### **7.2 Available Conditions & Finishes** - **Temper Conditions**: Annealed (soft) for optimal formability - **Surface Finish**: 2B finish, bright annealed, or pickled finish - **Edge Condition**: Mill edge, sheared edge, or slit edge - **Special Processing**: Skin passed or tension leveled for improved flatness --- ### **8. Fabrication & Processing Guidelines** #### **8.1 Cutting & Forming** - **Shearing**: Suitable for straight line cutting and blanking - **Plasma Cutting**: Recommended for complex shapes and profiles - **Punching**: Excellent for creating holes and perforations - **Press Brake Forming**: Minimum bend radius of 1-2 times material thickness - **Roll Forming**: Suitable for cylindrical and conical sections #### **8.2 Welding & Joining** - **Welding Methods**: GTAW (TIG), GMAW (MIG), Resistance welding - **Filler Metals**: Use matching composition filler metals - **Interpass Temperature**: Maintain below 100°C (212°F) - **Post-Weld Cleaning**: Remove heat tint and oxidation for optimal corrosion resistance #### **8.3 Surface Preparation** - **Cleaning**: Solvent clean to remove oils and contaminants - **Passivation**: Nitric acid treatment to enhance corrosion resistance - **Pickling**: Acid cleaning to remove surface contamination - **Finishing**: Mechanical polishing for specific surface requirements --- ### **9. Quality Assurance & Certification** - **Material Certification**: EN 10204 3.1/3.2 with full traceability - **Dimensional Verification**: Certified to meet specified thickness and flatness tolerances - **Surface Quality**: Controlled surface finish free from defects and contamination - **Testing Protocols**: Mechanical testing, chemical analysis, corrosion testing - **Certifications**: ISO 9001, PED 2014/68/EU, 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, sheet thickness, 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 2865 gallon liquid totes Special package is available on request.