Alloy B,Brightray B Forgings,,E FORU

British Specs:，American Specs:，German Specs:

**Product Data Sheet: Alloy B / Brightray B High-Temperature Alloy Forgings** **1. Product Overview** **Brightray B** (Alloy B) represents the pinnacle of nickel-chromium (80/20) alloy technology, and in its forged form, delivers unparalleled performance for critical high-temperature applications. Brightray B forgings are manufactured through controlled deformation processes that refine the metallurgical structure, resulting in superior mechanical properties and enhanced structural integrity compared to cast or fabricated alternatives. These components are specifically engineered to withstand the most demanding thermal and mechanical stresses in extreme environments. The forging process aligns the grain structure flow with the component geometry, optimizing strength, ductility, and resistance to thermal fatigue - essential characteristics for components operating under cyclic thermal loading conditions. **2. Chemical Composition (Typical % by Weight)** | Element | Content (%) | Function | | :--- | :--- | :--- | | Nickel (Ni) | 80 | Base element, provides austenitic matrix and high-temperature stability | | Chromium (Cr) | 20 | Forms protective Cr₂O₃ scale for oxidation resistance | | Iron (Fe) | ≤ 1.0 | Residual impurity | | Carbon (C) | ≤ 0.15 | Controlled for optimal strength and weldability | | Manganese (Mn) | ≤ 1.0 | Deoxidizer during melting | | Silicon (Si) | ≤ 1.0 | Enhances scale adherence and high-temperature strength | | Copper (Cu) | ≤ 0.5 | Residual impurity | | Sulfur (S) | ≤ 0.015 | Controlled to minimize hot shortness | **3. Physical & Mechanical Properties** | Property | Value / Description | | :--- | :--- | | **Density** | 8.41 g/cm³ (0.304 lb/in³) | | **Melting Point** | Approx. 1400°C (2550°F) | | **Thermal Conductivity** | 12.5 W/m·K at 20°C | | **Coefficient of Thermal Expansion** | 17.0 μm/m·K (20-1000°C) | | **Tensile Strength** | 655-895 MPa | | **Yield Strength (0.2% Offset)** | 275 MPa (min) | | **Elongation** | 30% (min) | | **Reduction of Area** | 30% (min) | | **Hardness** | 70-95 HRB | **4. Product Applications** Brightray B forgings are specified for critical components where reliability and performance under extreme conditions are paramount: * **Thermal Processing Equipment:** - Furnace roller assemblies and hangers - Heat treatment fixture supports - Retort and muffle end caps - Radiant tube end fittings * **Aerospace & Defense:** - Turbine engine components - Afterburner parts - Exhaust system assemblies - High-temperature fasteners * **Industrial Heating Systems:** - Burner nozzles and tips - Combustion chamber components - Heat exchanger headers - Process reactor internals * **Power Generation:** - Gas turbine components - Heat recovery system parts - Boiler and superheater attachments **5. Key Features & Benefits** * **Enhanced Mechanical Properties:** Superior strength and toughness compared to cast products * **Optimized Grain Structure:** Directional grain flow provides improved fatigue resistance * **Exceptional High-Temperature Capability:** Continuous service up to **1150°C** in oxidizing atmospheres * **Superior Thermal Fatigue Resistance:** Withstands repeated thermal cycling without degradation * **Reduced Defect Probability:** Forging process eliminates porosity and internal defects * **Excellent Oxidation Resistance:** Protective chromium oxide scale ensures long service life * **Good Machinability:** Can be precision machined to close tolerances in annealed condition **6. International Standards** Brightray B forgings comply with major international standards: * **ASTM:** ASTM B564 - Standard Specification for Nickel Alloy Forgings * **ASME:** SB-564 (ASME Boiler and Pressure Vessel Code version) * **DIN:** DIN 17752 (Wrought Nickel-Based Alloy Forgings) * **EN:** EN 10295 (Heat resisting steel forgings) * **BS:** BS 972 (Alloy 2) * **JIS:** JIS G 4902 (NCF 2) **7. Manufacturing & Quality Assurance** * **Forging Processes:** Open-die, closed-die, and ring rolling capabilities * **Heat Treatment:** Solution annealed and rapid cooled to optimize properties * **Quality Documentation:** Certified Material Test Reports 3.1 per EN 10204 * **Non-Destructive Testing:** Ultrasonic, dye penetrant, and magnetic particle inspection available * **Size Range:** From small precision forgings to large components up to several metric tons --- **Disclaimer:** The technical data provided represents typical values and is for informational purposes only. Specific properties may vary based on forging size, shape, and heat treatment. Users should conduct appropriate testing to verify suitability for specific applications and operating conditions.

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 2829 gallon liquid totes Special package is available on request.