Nickel-sulfur Master Alloy,Nickel sulfur Alloy，1

### **Product Introduction: Nickel-Sulfur Master Alloy** **Overview** Nickel-Sulfur Master Alloy is a specialized metallurgical additive designed for precise sulfur control and introduction in various alloy systems. This master alloy serves as an efficient and controlled method for incorporating sulfur into molten metals, primarily to improve machinability in nickel-based alloys, stainless steels, and other engineering materials. The controlled composition ensures accurate sulfur content, uniform distribution, and predictable performance in enhancing machining characteristics while maintaining other essential material properties. --- #### **Chemical Composition (Typical % by Weight)** | Element | Content (%) | Role & Benefit | |---------|-------------|---------------| | **Nickel (Ni)** | Balance | Primary carrier metal ensuring controlled solubility and uniform distribution | | **Sulfur (S)** | 15.0 - 25.0 | Key additive for machinability improvement through inclusion formation | | **Iron (Fe)** | ≤ 0.20 | Controlled residual element | | **Carbon (C)** | ≤ 0.05 | Minimized to prevent interference with sulfur effects | | **Silicon (Si)** | ≤ 0.08 | Controlled impurity element | | **Manganese (Mn)** | ≤ 0.05 | Limited to maintain alloy purity | | **Phosphorus (P)** | ≤ 0.008 | Strictly controlled impurity | | **Other Elements** | ≤ 0.50 | Total controlled impurities | *Note: Sulfur content can be customized based on specific application requirements and target machinability levels.* --- #### **Physical & Mechanical Properties** **Physical Properties:** - Density: 7.8 - 8.2 g/cm³ (depending on sulfur content) - Melting Range: 800 - 1100°C (1472 - 2012°F) - Form: Typically supplied as crushed lumps, granules, or customized shapes - Color: Gray metallic appearance with characteristic sulfide inclusions - Solubility: Controlled solubility in nickel, iron, and copper-based systems **Typical Characteristics:** - Precise sulfur recovery rates (85-95%) - Controlled sulfide inclusion distribution - Predictable dissolution behavior - Good handling and storage stability - Consistent chemical composition batch-to-batch - Minimal sulfur loss during processing --- #### **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 chemical analysis and quality documentation --- #### **Product Applications** **Machinability Enhancement:** - Free-machining nickel alloys - Improved machinability stainless steels - Automatic screw machine alloys - Precision machining components **Specialty Alloy Production:** - Lead-free machinable alloys - Environmental-friendly cutting alloys - Specialty tool steels - Copper-based machining alloys **Industrial Applications:** - Automotive components manufacturing - Fastener production - Valve and fitting manufacturing - Electrical connector production **Research and Development:** - New machinable alloy development - Cutting tool research - Manufacturing process optimization - Material property enhancement studies --- #### **Key Advantages** 1. **Precise Sulfur Control**: Accurate sulfur content for consistent machinability improvement 2. **Controlled Inclusion Distribution**: Uniform sulfide dispersion for predictable machining behavior 3. **Improved Machinability**: Significant enhancement in cutting speeds and tool life 4. **Chip Breaking Enhancement**: Better chip formation and disposal during machining 5. **Surface Finish Improvement**: Superior final surface quality in machined components 6. **Cost-Effective Solution**: Economical compared to alternative machinability enhancers 7. **Environmental Compliance**: Meets modern environmental regulations for machining additives 8. **Consistent Performance**: Reliable results across different production batches --- **Conclusion** Nickel-Sulfur Master Alloy represents a specialized metallurgical solution for enhancing machinability in various alloy systems. Its optimized composition ensures controlled sulfur incorporation, predictable performance, and consistent results in manufacturing processes. The master alloy's ability to improve machining characteristics while maintaining essential material properties makes it invaluable for applications requiring high production efficiency and superior surface finish. Supported by rigorous quality control and manufacturing expertise, Nickel-Sulfur Master Alloy enables manufacturers to achieve optimal machining performance, reduced production costs, and enhanced product quality. This master alloy provides engineers and production specialists with a reliable tool for optimizing manufacturing processes in industries where precision machining, production efficiency, and cost-effectiveness are critical competitive factors in today's demanding industrial landscape.

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 3443 gallon liquid totes Special package is available on request.