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Aluminum Titanium Boron (AlTiB) Alloy (model: AlTi5B1, AlTi3B1, AlTi5B0.2) is a premium grain refiner for aluminum and aluminum alloys, branded as DONGSHENG. As a professional manufacturer with 4 manufacturing bases in China, we specialize in producing this high-quality alloy in multiple forms to cater to diverse application scenarios. This product is widely recognized as the best refining material for aluminum processing, thanks to its unique nucleation mechanism that optimizes the crystal structure of aluminum alloys. The manufacturer’s annual production capacity reaches 30,000 MT for master alloys, 60,000 MT for alloying tablets, and 30,000 MT for grain refiners, ensuring we can fulfill large-scale orders efficiently.
Manufactured from high-purity aluminum, titanium, and boron raw materials, the alloy’s chemical composition strictly adheres to industry standards. The content of titanium and boron in different models is precisely controlled, guaranteeing stable refining effects in every batch of products.
Advanced production technology refines the alloy’s internal grain structure and improves purity, which significantly reduces surface inclusions and defects in aluminum alloy products. This advantage makes the refined aluminum alloys suitable for high-precision applications, such as aerospace and electronic component manufacturing.
During the addition process, the alloy maintains stable physical and chemical properties, preventing ingredient segregation or degradation. This stability simplifies production operations, reduces the frequency of quality inspections, and improves overall production efficiency while enhancing the consistency of the final aluminum alloy products.
Specification | Description |
Stick Type | Diameter: 9.5mm; Length: 500mm/1,000mm |
Coil Type | Diameter: 9.5mm; Weight: 180kg/coil |
Ingot Type | Weight: 2kg/ingot |
Products | Ti | B | Fe (max) | Si (max) | V (max) | Impurities (total, max) | Al |
AlTi5B1 | 4.5-5.5 | 0.8-1.2 | 0.30 | 0.20 | 0.20 | 0.10 | Balance |
AlTi5B0.2 | 4.5-5.5 | 0.15-0.25 | 0.30 | 0.20 | 0.20 | 0.10 | Balance |
AlTi3B1 | 2.5-3.5 | 0.8-1.2 | 0.30 | 0.20 | 0.20 | 0.10 | Balance |
Aluminum Titanium Boron (AlTiB) Alloy is the top-choice grain refiner for aluminum and aluminum alloys. Its core function is to prevent the formation of coarse equiaxed crystals, columnar crystals, and feathered crystals during the solidification process of aluminum melts. The mechanism of action is closely linked to the formation of TiAl3 and TiB2 particles. When added to the liquid melt, these particles release a large number of heterogeneous nucleation cores, which act as nucleation sites during melt solidification, thereby refining alloy grains and improving the mechanical and physical properties of aluminum alloys. This product is widely used in aluminum casting, extrusion, and rolling processes, suitable for producing high-performance aluminum alloy profiles, sheets, and castings. Various forms are available, including waffle ingots, sticks, cut casting bars, and online runners for launders, among which online adding offers the advantages of excellent refining effect, convenient operation, cost-effectiveness, flexible adjustment, and easy automation.
Form Selection: Choose the appropriate product form according to the production process. For continuous casting and rolling lines, online runners or coil-type AlTiB alloy are recommended for automated addition; for small-scale casting, ingot or stick types are more convenient to use.
Addition Control: The addition amount should be adjusted based on the aluminum alloy type and refining requirements. Excessive addition may lead to the formation of hard and brittle phases, while insufficient addition cannot achieve the desired grain refinement effect.
Melting Matching: Ensure that the AlTiB alloy is fully mixed with the aluminum melt during the addition process. For high-temperature aluminum melts, avoid prolonged holding to prevent the loss of active elements.
