Nickel-calcium Master Alloy,Nickel-calcium Alloy，1

### **Product Introduction: Nickel-Calcium Master Alloy** **Overview** Nickel-Calcium Master Alloy is a specialized metallurgical additive designed for precise calcium introduction and control in various alloy systems. This master alloy serves as an efficient vehicle for incorporating calcium into molten metals, primarily for deoxidation, desulfurization, and inclusion morphology control in steelmaking and non-ferrous alloy production. The controlled composition ensures optimal calcium recovery, uniform distribution, and enhanced performance in applications requiring improved cleanliness and mechanical properties. --- #### **Chemical Composition (Typical % by Weight)** | Element | Content (%) | Role & Benefit | |---------|-------------|---------------| | **Nickel (Ni)** | Balance (~75-85%) | Primary carrier metal ensuring controlled solubility and homogeneous distribution | | **Calcium (Ca)** | 15.0 - 25.0 | Key additive for deoxidation, desulfurization, and inclusion control | | **Iron (Fe)** | ≤ 0.20 | Controlled residual element | | **Carbon (C)** | ≤ 0.05 | Minimized to prevent unwanted interactions | | **Silicon (Si)** | ≤ 0.08 | Controlled impurity element | | **Aluminum (Al)** | ≤ 0.10 | Limited to maintain alloy purity | | **Phosphorus (P)** | ≤ 0.015 | Strictly controlled impurity | | **Sulfur (S)** | ≤ 0.008 | Minimized to ensure effectiveness | | **Other Elements** | ≤ 0.50 | Total controlled impurities | *Note: Calcium content can be customized from 15% to 25% based on specific application requirements and process conditions.* --- #### **Physical & Mechanical Properties** **Physical Properties:** - Density: 7.6 - 8.0 g/cm³ (depending on calcium content) - Melting Range: 800 - 1100°C (1472 - 2012°F) - Form: Typically supplied as crushed lumps, granules, or hermetically sealed containers - Color: Silver-gray metallic appearance - Solubility: Controlled solubility in steel, nickel, and iron-based systems **Typical Characteristics:** - Moderate calcium recovery rates (15-30% in steelmaking) - Excellent deoxidation capability - Predictable dissolution behavior - Requires special handling and storage under protective atmosphere - Consistent chemical composition batch-to-batch - Reactive metallurgical properties --- #### **International Standards and Specifications** While often customized to 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** **Steelmaking and Refining:** - Deoxidation of killed steels - Desulfurization in secondary metallurgy - Inclusion morphology control - Clean steel production **Non-Ferrous Alloy Production:** - Nickel-based superalloy refinement - Copper alloy deoxidation - Aluminum alloy treatment - Special non-ferrous alloy production **Special Metallurgical Applications:** - Inclusion shape control in steels - Sulfide inclusion modification - Oxide inclusion minimization - Casting quality improvement **Advanced Applications:** - High-cleanliness alloy production - Special electrical steels - Automotive high-strength steels - Aerospace quality materials --- #### **Key Advantages** 1. **Effective Deoxidation**: Powerful oxygen removal capability in molten metals 2. **Desulfurization Enhancement**: Improved sulfur removal and control 3. **Inclusion Morphology Control**: Transforms harmful inclusions into harmless globular forms 4. **Improved Castability**: Enhanced fluidity and reduced casting defects 5. **Better Mechanical Properties**: Improved ductility and toughness through inclusion control 6. **Cost-Effective Treatment**: Economical compared to pure calcium wire injection 7. **Controlled Addition**: Precise calcium content for consistent results 8. **Batch Consistency**: Reliable performance across production batches --- **Conclusion** Nickel-Calcium Master Alloy represents a sophisticated metallurgical solution for advanced steel refining and non-ferrous alloy production. Its optimized composition ensures controlled calcium incorporation, predictable performance, and consistent results in demanding metallurgical applications. The master alloy's ability to provide effective deoxidation, desulfurization, and inclusion morphology control makes it invaluable for producing high-cleanliness steels and quality non-ferrous alloys. Supported by rigorous quality control and specialized manufacturing expertise, Nickel-Calcium Master Alloy enables producers to achieve superior material cleanliness, improved mechanical properties, and enhanced product quality. This master alloy provides steelmakers and metallurgists with a reliable tool for optimizing production processes in industries where material cleanliness, inclusion control, and consistent quality are critical factors for success in competitive industrial markets, particularly in automotive, aerospace, and high-value engineering 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 3456 gallon liquid totes Special package is available on request.