Nickel-aluminium Master Alloy,Nickel-aluminium Alloy，1

### **Product Introduction: Nickel-Aluminum Master Alloy** **Overview** Nickel-Aluminum Master Alloy is a specialized metallurgical additive engineered for precise aluminum introduction in various advanced alloy systems. This master alloy serves as an efficient vehicle for incorporating aluminum into nickel-based superalloys, specialty steels, and other high-performance materials. The controlled composition ensures optimal aluminum recovery, uniform distribution, and enhanced performance in applications requiring improved high-temperature strength, oxidation resistance, and specific mechanical properties. --- #### **Chemical Composition (Typical % by Weight)** | Element | Content (%) | Role & Benefit | |---------|-------------|---------------| | **Nickel (Ni)** | Balance | Primary carrier metal ensuring optimal solubility and homogeneous distribution | | **Aluminum (Al)** | 40.0 - 50.0 | Key alloying element providing oxidation resistance and precipitation hardening | | **Iron (Fe)** | ≤ 0.15 | Controlled residual element | | **Carbon (C)** | ≤ 0.05 | Minimized to prevent unwanted carbide formation | | **Silicon (Si)** | ≤ 0.08 | Controlled impurity element | | **Manganese (Mn)** | ≤ 0.05 | Limited to maintain alloy purity | | **Copper (Cu)** | ≤ 0.10 | Controlled impurity | | **Other Elements** | ≤ 0.50 | Total controlled impurities | *Note: Aluminum content can be customized from 40% to 50% based on specific application requirements and alloy system compatibility.* --- #### **Physical & Mechanical Properties** **Physical Properties:** - Density: 5.8 - 6.2 g/cm³ (depending on aluminum content) - Melting Range: 1200 - 1400°C (2192 - 2552°F) - Form: Typically supplied as crushed lumps, granules, or customized shapes - Color: Silver-white metallic appearance - Solubility: Excellent solubility in nickel, cobalt, and iron-based systems **Typical Characteristics:** - High aluminum recovery rates (90-97%) - Excellent microstructural homogeneity - Predictable dissolution behavior - Good handling and storage stability - Consistent chemical composition batch-to-batch - Controlled intermetallic phase formation --- #### **International Standards and Specifications** While often manufactured to customer-specific requirements, relevant references include: - **ASTM B160:** Nickel Rod and Bar (reference standard) - **ISO 6208:** Wrought nickel and nickel alloys - **AMS 2280:** Trace Element Control for Nickel Alloy - **Custom Specifications:** Customer-specific technical requirements - **Internal Quality Standards:** Comprehensive quality assurance protocols - **Material Certification:** Full traceability with chemical analysis certificate --- #### **Product Applications** **Superalloy Manufacturing:** - Nickel-based superalloys (e.g., Inconel, Waspaloy series) - Gamma prime (γ') strengthened alloys - Gas turbine engine components - Aerospace turbine blades and disks **High-Temperature Alloys:** - Oxidation-resistant coatings - Heat-resistant structural components - Power generation turbine materials - Nuclear reactor alloys **Specialty Steel Production:** - Aluminum-killed steels - Heat-resistant steels - Oxidation-resistant alloys - Special tool steels **Functional Materials:** - Hydrogen storage alloys - Catalytic materials - Electrical resistance alloys - Special electronic materials --- #### **Key Advantages** 1. **Precise Aluminum Control**: Accurate aluminum content for consistent metallurgical results 2. **High Recovery Efficiency**: Excellent aluminum yield with minimal processing losses (90-97%) 3. **Gamma Prime Formation**: Essential for γ' (Ni₃Al) precipitation hardening in superalloys 4. **Superior Oxidation Resistance**: Enhanced high-temperature oxidation protection through alumina scale formation 5. **Solid Solution Strengthening**: Improved mechanical properties at elevated temperatures 6. **Cost-Effective Alloying**: Economical compared to pure aluminum metal additions 7. **Uniform Distribution**: Homogeneous aluminum dispersion in final alloys 8. **Batch Consistency**: Reliable performance across production batches --- **Conclusion** Nickel-Aluminum Master Alloy represents a fundamental metallurgical solution for precision aluminum addition in high-performance alloy systems. Its optimized composition ensures efficient aluminum incorporation, high recovery rates, and consistent performance across various demanding applications. The master alloy's ability to enable gamma prime precipitation hardening, enhance oxidation resistance, and improve high-temperature strength makes it indispensable for applications ranging from aerospace superalloys to power generation components and specialty steels. Supported by rigorous quality control and manufacturing excellence, Nickel-Aluminum Master Alloy enables the production of advanced materials that meet the stringent requirements of modern technology industries. This master alloy provides engineers and metallurgists with a reliable tool for achieving optimal material performance, manufacturing efficiency, and product reliability in applications where high-temperature capability, oxidation resistance, and mechanical strength are critical for operational success and technological advancement.

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 3458 gallon liquid totes Special package is available on request.