Nickel magnesium alloys，1

### **Product Introduction: Nickel-Magnesium Master Alloy** **Overview** Nickel-Magnesium Master Alloy is a specialized metallurgical additive designed for the precise introduction of magnesium into nickel-based superalloys, cast irons, and non-ferrous alloys. This master alloy enhances mechanical properties, improves high-temperature performance, and optimizes microstructure through controlled grain refinement and deoxidation. Its tailored composition ensures high magnesium recovery, uniform distribution, and consistent performance in demanding industrial applications. --- #### **Chemical Composition (Typical % by Weight)** | Element | Content (%) | Role & Benefit | |----------------|-------------|--------------------------------------------------------------------------------| | **Nickel (Ni)** | Balance | Primary carrier ensuring uniform solubility and homogeneous distribution. | | **Magnesium (Mg)** | 10.0 - 20.0 | Enhances strength, refines grains, and improves oxidation resistance. | | **Iron (Fe)** | ≤ 0.15 | Controlled residual element. | | **Carbon (C)** | ≤ 0.05 | Minimized to prevent carbide formation. | | **Silicon (Si)** | ≤ 0.08 | Controlled impurity. | | **Aluminum (Al)**| ≤ 0.10 | Limited to avoid interference with magnesium's effects. | | **Sulfur (S)** | ≤ 0.008 | Minimized to prevent hot cracking. | | **Other Elements**| ≤ 0.50 | Total controlled impurities. | *Note: Magnesium content can be customized between 10% and 20% based on specific application requirements.* --- #### **Physical & Mechanical Properties** **Physical Properties:** - **Density:** 7.5 - 8.0 g/cm³ (dependent on magnesium content) - **Melting Range:** 1000 - 1200°C (1832 - 2192°F) - **Form:** Crushed lumps, granules, or custom shapes (e.g., waffle plates). - **Color:** Silver-gray metallic luster. - **Solubility:** Excellent solubility in nickel, copper, and iron-based systems. **Typical Characteristics:** - High magnesium recovery rates (85-95%). - Uniform microstructure with minimal segregation. - Predictable dissolution kinetics in molten metals. - Stable under standard storage conditions. - Consistent composition across production batches. --- #### **International Standards and Specifications** - **ASTM B160:** Standard Specification for Nickel Rod and Bar (reference). - **ISO 6208:** Wrought Nickel and Nickel Alloys. - **AMS 2280:** Trace Element Control for Nickel Alloys. - **Custom Specifications:** Tailored to meet client-specific requirements. - **Quality Assurance:** Full material traceability with certified chemical analysis. --- #### **Product Applications** **Superalloys and High-Temperature Alloys:** - Nickel-based superalloys for aerospace (e.g., turbine blades, disks). - Creep-resistant alloys for power generation systems. - High-temperature components in nuclear reactors. **Cast Iron and Steel Production:** - Nodular cast iron production (spheroidal graphite formation). - Desulfurization and deoxidation of molten steel. - Grain refinement in specialty steels. **Non-Ferrous Alloys:** - Magnesium-containing copper alloys for electrical applications. - Aluminum-nickel-magnesium alloys for lightweight structural parts. - Corrosion-resistant alloys for marine and chemical industries. **Specialized Applications:** - Additive manufacturing (3D printing) metal powders. - Welding electrode coatings. - Surface coating and thermal spray materials. --- #### **Key Advantages** 1. **Precise Magnesium Control:** Ensures consistent metallurgical outcomes. 2. **High Recovery Rates:** Minimal magnesium loss during processing (85-95%). 3. **Grain Refinement:** Improves mechanical strength and ductility. 4. **Deoxidation Efficiency:** Reduces oxide inclusions in final products. 5. **Enhanced High-Temperature Performance:** Boosts oxidation and creep resistance. 6. **Cost-Effective:** More economical than pure magnesium additions. 7. **Uniform Distribution:** Homogeneous dispersion in host alloys. 8. **Batch-to-Batch Consistency:** Reliable quality for industrial applications. --- **Conclusion** Nickel-Magnesium Master Alloy is a critical enabler of advanced material performance across aerospace, energy, and automotive sectors. Its optimized composition and reliable properties make it indispensable for enhancing high-temperature strength, refining microstructures, and improving corrosion resistance in next-generation alloys. Supported by stringent international standards and robust manufacturing practices, this master alloy empowers engineers and metallurgists to achieve superior product reliability and performance in the most demanding applications.

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 3449 gallon liquid totes Special package is available on request.