Alloy B-2,Hastelloy B-2 Other/Similar Specs,,E FORU

British Specs:，American Specs:，German Specs:

**Product Data Sheet: Alloy B-2 / Hastelloy® B-2 - Other Forms & Similar Specifications** **Nickel-Molybdenum Alloy - Comprehensive Product Range** --- ### **1. Product Overview** **Hastelloy® B-2** (UNS N10665) is a versatile nickel-molybdenum alloy available in various specialized forms beyond standard products. This datasheet covers additional product configurations, specialized specifications, and equivalent materials that provide comparable performance characteristics for demanding corrosive applications in reducing environments across multiple industries. --- ### **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 | 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. Other Available Product Forms** #### **4.1 Wire & Rod Products** - **Welding Electrodes**: Matching composition for GTAW and GMAW processes - **Filler Wires**: For joining similar and dissimilar corrosion-resistant alloys - **Resistance Welding Wire**: For automotive and industrial applications - **Fastener Stock**: Wire for corrosion-resistant fastener manufacturing #### **4.2 Special Sections & Profiles** - **Custom Extrusions**: Complex cross-sectional profiles - **Structural Shapes**: Angles, channels, and beams - **Bar Specialties**: Hexagonal, square, and special bar shapes - **Precision Ground Stock**: Centerless ground bars for machining #### **4.3 Powder & Additive Manufacturing** - **Gas Atomized Powder**: For thermal spray coatings - **Metal Injection Molding (MIM)**: Fine powders for MIM process - **Additive Manufacturing**: Powder for SLM and DMLS processes - **Plasma Transfer Arc**: Powder for hardfacing applications #### **4.4 Custom Fabricated Components** - **Machined Parts**: Precision components from bar stock - **Assembly Sub-components**: Welded or brazed assemblies - **Specialty Fasteners**: Custom-designed corrosion-resistant fasteners - **Instrumentation Parts**: Components for analytical equipment --- ### **5. Product Applications** #### **5.1 Specialized Chemical Processing** - **Electrochemical Cells**: Components for electrolytic processes - **Acid Concentration Systems**: Evaporator and concentrator parts - **Catalyst Support Systems**: Structural components in catalytic processes - **High-Purity Chemical Handling**: Ultra-clean processing components #### **5.2 Advanced Energy Applications** - **Geothermal Energy**: Components for corrosive geothermal fluids - **Biomass Processing**: Equipment for biofuel production - **Fuel Cell Systems**: Bipolar plates and system components - **Carbon Capture Systems**: Components for CO₂ capture processes #### **5.3 Emerging Applications** - **Semiconductor Manufacturing**: Wet process equipment - **Pharmaceutical Processing**: Bioreactor and fermentation systems - **Food Processing**: Acidic food production equipment - **Water Treatment**: Advanced oxidation process systems --- ### **6. International Standards & Equivalents** #### **6.1 Primary Specifications** - **UNS**: N10665 - **ASTM**: B333, B335, B366, B564, B622 - **ASME**: SB-333, SB-335, SB-366, SB-564, SB-622 - **DIN**: 2.4617 - **EN**: 2.4617 - **ISO**: 6208, 9724, 9001 #### **6.2 Equivalent Materials & Cross-References** - **Europe**: - Germany: DIN 2.4617 / W.Nr. 2.4617 - France: AFNOR NU 30 Mo - UK: BS HR 4 - **United States**: - ASTM: B333 UNS N10665 - ASME: SB-333 - AWS: A5.14 ERNiMo-7 - **Japan**: - JIS: NW 0277 - JIS G 4902: NCF 2B Type --- ### **7. Specialized Specifications** #### **7.1 Industry-Specific Standards** - **Chemical Processing**: NACE MR0175/ISO 15156 compliant - **Nuclear**: ASME Section III Nuclear Certification - **Aerospace**: AMS 5874 for corrosion-resistant applications - **Marine**: DNV-GL, ABS, and Lloyd's Register approval #### **7.2 Quality & Testing Specifications** - **NDT Standards**: ASME Section V requirements - **Chemical Analysis**: ASTM E1473 standard methods - **Mechanical Testing**: ASTM E8/E21 standards - **Corrosion Testing**: ASTM G28 Method A --- ### **8. Fabrication & Processing Notes** #### **8.1 Advanced Manufacturing** - **Hot Working**: Forge at 1170-1230°C, finish above 950°C - **Cold Working**: Good formability in annealed condition - **Heat Treatment**: Solution anneal at 1065-1120°C, water quench - **Aging Treatments**: Generally not recommended #### **8.2 Joining Technologies** - **Welding**: GTAW with matching filler metal ERNiMo-7 - **Brazing**: Nickel-based brazing alloys recommended - **Adhesive Bonding**: Surface preparation critical for success - **Mechanical Joining**: Compatible with standard methods #### **8.3 Surface Treatments** - **Passivation**: Nitric acid treatment per ASTM A967 - **Pickling**: Nitric-hydrofluoric acid mixtures - **Electropolishing**: For improved corrosion resistance - **Coatings**: Various industrial coatings compatible --- ### **9. Quality Assurance & Certification** - **Material Certification**: EN 10204 3.1/3.2 with full traceability - **Testing Protocols**: Comprehensive mechanical and corrosion testing - **Quality Systems**: ISO 9001, AS9100, ISO 14001 compliance - **Industry Approvals**: PED, NORSOK, NACE, ASME certifications - **Documentation**: Complete material traceability and test records --- **Disclaimer**: The technical information provided represents typical values and is for reference purposes. Actual properties may vary based on manufacturing process, product form, 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 2869 gallon liquid totes Special package is available on request.