Uniform-Grade Aluminum Strontium Master Alloy

Product Overview

Aluminum Strontium Master Alloy (AlSr10%-AlSr15%) is a high-performance alloy additive produced by a professional manufacturer with 4 production plants in China. It is crafted from pure aluminum and high-purity strontium raw materials, strictly complying with industry standards for element composition. This product is engineered to meet the rigorous demands of high-standard aluminum alloy processing, delivering reliable performance in strontium element addition scenarios. As a core component in aluminum alloy production, it plays a vital role in optimizing alloy properties, and the manufacturer boasts an annual production capacity of 30,000 MT for master alloys, along with 60,000 MT for alloying tablets and 30,000 MT for grain refiners, ensuring stable supply for global clients.

Key Advantages of Aluminum Strontium Master Alloy

Uniform Element Content

The adoption of high-purity raw materials and advanced production processes ensures that the strontium content (10%-15%) in the alloy is highly uniform. This consistency eliminates the risk of local composition deviations in aluminum alloy melts, laying a solid foundation for stable product quality.

Reduced Surface Inclusions

Optimized production procedures refine the alloy’s grain structure and enhance overall purity. This effectively minimizes surface inclusions in the final aluminum alloy products, significantly improving product stability and making it suitable for applications with strict quality requirements, such as automotive and aerospace components.

Stable Ingredient Performance

During the addition process, the alloy maintains stable ingredient characteristics, avoiding fluctuations caused by uneven melting or mixing. This stability boosts production efficiency by reducing the need for frequent parameter adjustments, while also enhancing the consistency of aluminum alloy products across batches.

Technical Specifications

Applications & Usage Guidelines

Applications

This Aluminum Strontium Master Alloy is exclusively designed for the strontium element addition of aluminum alloys. Strontium acts as a key modifier in aluminum-silicon alloys, effectively altering the morphology of silicon phases to improve the alloy’s mechanical properties, such as tensile strength and ductility. It is widely applied in the production of cast aluminum alloys for automotive parts, engine components, and precision die-casting products.

Usage Guidelines

Optimal Adding Temperature: The recommended temperature range for adding the alloy into the aluminum melt is 700℃-760℃. This temperature window ensures complete melting of the master alloy and uniform dispersion of strontium elements, avoiding element loss due to high-temperature volatilization.

Flexible Addition Amount: The specific addition amount should be determined based on the actual production situation, including the target strontium content in the final aluminum alloy and the composition of the base melt. It is advisable to conduct small-scale tests before mass production to confirm the optimal dosage.

Sufficient Stirring Operation: Adequate and uniform stirring is crucial after adding the alloy. Stirring promotes the rapid diffusion of strontium in the melt, ensuring that the element is evenly distributed and maximizing the modification effect of the master alloy.