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

British Specs:，American Specs:，German Specs:

**Product Data Sheet: Alloy B-2 / Hastelloy® B-2 Plate** **Nickel-Molybdenum Alloy Plate for Severe Corrosive Service** --- ### **1. Product Overview** **Hastelloy® B-2 Plate** is a nickel-molybdenum alloy supplied in plate 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 pressure vessels, chemical processing equipment, and structural applications 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 | 965 MPa min | | Yield Strength (0.2% Offset) | 415 MPa min | | Elongation | 40% min | | Hardness (Rockwell B) | 100 HRB max | | Maximum Service Temperature | 400°C (750°F) | --- ### **4. Product Applications** #### **4.1 Pressure Vessel Applications** - **Chemical Reactors**: Vessel shells and heads for corrosive chemical processes - **Pressure Vessels**: Storage tanks and process vessels for aggressive media - **Columns and Towers**: Distillation columns and absorption towers - **Heat Exchangers**: Shells, channels, and tube sheets #### **4.2 Chemical Processing Equipment** - **Process Vessels**: Mixing tanks, reaction vessels, and storage containers - **Electrolytic Cells**: Structural components in electrochemical processes - **Acid Storage Tanks**: Tanks for hydrochloric and sulfuric acid storage - **Pipeline Components**: Large diameter pipe and fittings fabrication #### **4.3 Industrial Applications** - **Pickling Tanks**: For metal surface treatment and cleaning - **Scrubber Systems**: Components for acid gas removal - **Evaporator Bodies**: For acid concentration and recovery - **Structural Components**: Supports and frames in corrosive areas --- ### **5. Key Features & Benefits** - **Exceptional Resistance to Reducing Acids**: Superior performance in hydrochloric acid at all concentrations and temperatures - **Outstanding Performance in Non-Oxidizing Acids**: Excellent resistance to sulfuric, phosphoric, and acetic acids - **Low Carbon Content**: Minimizes carbide precipitation during welding and thermal processing - **Good Thermal Stability**: Maintains properties at elevated temperatures - **Excellent Fabricability**: Can be formed, welded, and machined using standard techniques - **Good Mechanical Properties**: High strength and toughness for pressure vessel applications - **Consistent Quality**: Uniform properties throughout plate thickness - **Cost-Effective Solution**: Extended service life reduces maintenance and replacement costs --- ### **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 Vessel Applications | | DIN | 2.4617 | Material Number and Specification | | EN | 2.4617 | European Standard Designation | | ISO | 6208 | Nickel Alloy Plate for General Corrosion-Resistant Applications | --- ### **7. Product Specifications** #### **7.1 Plate Dimensions** - **Thickness Range**: 3.0 mm to 100 mm (0.125" to 4") - **Standard Sizes**: 1000×2000 mm, 1250×2500 mm, 1500×3000 mm - **Width Range**: 1000 mm to 3000 mm (39" to 118") - **Length Range**: 2000 mm to 6000 mm (79" to 236") #### **7.2 Tolerances** - **Thickness Tolerance**: ±5% or ±0.1mm, whichever is greater - **Flatness**: ≤4 mm per meter for precision applications - **Length/Width Tolerance**: ±5 mm for standard sizes #### **7.3 Available Conditions** - **Solution Annealed**: Optimal corrosion resistance and formability - **Hot Rolled**: As-rolled condition for specific applications - **Stress Relieved**: For critical dimensional stability applications - **Surface Finish**: Pickled, blasted, or machined finishes available --- ### **8. Fabrication & Processing Guidelines** #### **8.1 Cutting & Forming** - **Plasma Cutting**: Recommended for thicknesses up to 50 mm - **Waterjet Cutting**: Ideal for complex shapes and profiles - **Press Brake Forming**: Minimum bend radii according to thickness - **Roll Forming**: Suitable for cylindrical and conical sections #### **8.2 Welding Procedures** - **Welding Methods**: GTAW (TIG), GMAW (MIG), SMAW - **Filler Metals**: Use matching composition filler metals - **Preheating**: Generally not required - **Interpass Temperature**: Maintain below 100°C (212°F) - **Post-Weld Heat Treatment**: Usually not required for most applications #### **8.3 Machining & Finishing** - **Machining Parameters**: Use positive rake carbide tools - **Cutting Speeds**: 15-30 m/min with adequate cooling - **Surface Finishing**: Grinding and polishing for specific requirements - **Passivation**: Chemical treatment to enhance corrosion resistance --- ### **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 - **Chemical Analysis**: Verified by spectrometer and wet chemical methods - **Mechanical Testing**: Tensile, hardness, and impact tests - **Certifications**: ISO 9001, ASME, PED 2014/68/EU compliance - **Documentation**: Complete certification package including heat treatment records --- **Disclaimer**: The technical information provided represents typical values and is for reference purposes. Actual properties may vary based on manufacturing process, plate thickness, and heat treatment condition. Users must verify suitability for specific applications through appropriate testing and consult with technical experts for pressure vessel 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 2864 gallon liquid totes Special package is available on request.