Nickel-niobium Master Alloy,Nickel niobium Alloy,NiNb65%，1

### **Product Introduction: Nickel-Niobium Master Alloy (NiNb65%)** **Overview** Nickel-Niobium Master Alloy (NiNb65%) is a high-performance metallurgical additive specifically engineered for precise niobium introduction in advanced alloy systems. This master alloy, containing approximately 65% niobium, serves as an efficient and reliable method for incorporating niobium into molten metals, particularly in nickel-based superalloys, stainless steels, and high-temperature alloys. The optimized composition ensures excellent niobium recovery, uniform distribution, and enhanced performance in applications requiring improved strength, corrosion resistance, and high-temperature stability. --- #### **Chemical Composition (Typical % by Weight)** | Element | Content (%) | Role & Benefit | |---------|-------------|---------------| | **Nickel (Ni)** | Balance (~35%) | Primary carrier metal ensuring optimal solubility and homogeneous distribution | | **Niobium (Nb)** | 63.0 - 67.0 | Key strengthening element providing precipitation hardening and stabilization | | **Iron (Fe)** | ≤ 0.20 | Controlled residual element | | **Tantalum (Ta)** | ≤ 0.15 | Naturally occurring associated element | | **Titanium (Ti)** | ≤ 0.10 | Controlled impurity element | | **Carbon (C)** | ≤ 0.05 | Minimized to prevent unwanted carbide formation | | **Silicon (Si)** | ≤ 0.08 | Controlled impurity | | **Phosphorus (P)** | ≤ 0.02 | Strictly controlled | | **Sulfur (S)** | ≤ 0.015 | Minimized to prevent hot cracking | | **Other Elements** | ≤ 0.50 | Total controlled impurities | --- #### **Physical & Mechanical Properties** **Physical Properties:** - Density: 8.2 - 8.6 g/cm³ - Melting Range: 1350 - 1450°C (2462 - 2642°F) - Form: Typically supplied as crushed lumps (1-50mm), granules, or customized shapes - Color: Silver-gray metallic appearance - Solubility: Excellent solubility in nickel, iron, and cobalt-based systems **Typical Characteristics:** - High niobium recovery rates (92-98%) - Excellent microstructural homogeneity - Predictable dissolution behavior - Good handling and storage stability - Consistent chemical composition batch-to-batch - Low gas content (oxygen < 150 ppm, nitrogen < 100 ppm) --- #### **International Standards and Specifications** - **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 718, 625) - Gas turbine engine components - Aerospace turbine blades and disks - High-temperature structural components **Stainless Steel Production:** - Niobium-stabilized austenitic stainless steels - Heat-resistant steels - Corrosion-resistant alloys - Specialty structural steels **Specialty Alloys:** - High-temperature alloys for nuclear applications - Corrosion-resistant alloys for chemical processing - Marine and offshore components - Automotive turbocharger alloys **Advanced Applications:** - Additive manufacturing powder production - Welding electrode manufacturing - Special electrical alloys - Research and development of new alloys --- #### **Key Advantages** 1. **Precise Niobium Control**: Accurate 65% niobium content for consistent metallurgical results 2. **High Recovery Efficiency**: Excellent niobium yield with minimal processing losses (92-98%) 3. **Superior Strengthening**: Effective precipitation hardening through gamma prime/double prime formation 4. **Stabilization Effect**: Prevents sensitization and intergranular corrosion in stainless steels 5. **Improved High-Temperature Properties**: Enhanced creep resistance and thermal stability 6. **Excellent Solubility**: Rapid and uniform dissolution in host metals 7. **Cost-Effective Alloying**: Economical compared to pure niobium metal addition 8. **Consistent Quality**: Reliable performance across production batches --- **Conclusion** Nickel-Niobium Master Alloy (NiNb65%) represents a premium metallurgical solution for precision niobium addition in high-performance alloy systems. Its optimized 65% niobium composition ensures efficient incorporation, high recovery rates, and consistent performance across demanding applications in aerospace, energy, and chemical processing industries. The master alloy's ability to enhance mechanical properties, improve corrosion resistance, and provide excellent high-temperature stability makes it indispensable for manufacturing advanced superalloys and specialty steels. Supported by rigorous quality control and manufacturing excellence, NiNb65% Master Alloy enables the production of next-generation materials that meet the increasingly demanding requirements of modern technology sectors. This master alloy provides engineers and metallurgists with a reliable tool for achieving superior material performance, manufacturing efficiency, and product reliability in critical applications where precision, consistency, and quality are paramount for success.

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 3446 gallon liquid totes Special package is available on request.