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Aluminum master alloy is a kind of special alloy which is based on aluminum, and one or several kinds of elementary substances are added into it to solve some problems, such as the elementary substance is easy to burn, the high melting point is not easy to melt in, easy to segregate etc., or to improve the performance of aluminum alloy.
Normal kinds include AlSi,AlFe,AlMn,AlCr,AlCu,AlV,AlB,AlZr,AlSr,AlTiB, etc.
Aluminum Master Alloy is an additive functional material.
Aluminum master alloys help control composition, refine microstructure, and stabilize melt performance across casting and wrought grades. Since 1995, we have integrated R&D, production, and global supply. Our products are engineered for fast dissolution, high recovery, and low impurities to support stable processing and repeatable properties.
Pre‑alloyed additions combine active elements in an Al matrix. This approach dissolves faster, reduces dross compared with pure element dosing, and improves melt yield in foundry and wrought operations.
They support Si modification in Al‑Si cast alloys, iron management, manganese strengthening, and grain control for 2xxx, 5xxx, 6xxx, and 7xxx series. Targets include strength, ductility, conductivity, and fatigue resistance.
AlSi: fluidity and shrinkage control; eutectic structure optimization for hypo‑ and eutectic ranges.
AlSr: silicon morphology modification to improve ductility and fatigue performance.
AlTiB: titanium‑boron grain refiner for fine, equiaxed grains and reduced porosity.
AlTi: nucleation and grain control; often used with boron.
AlB: boron additions for grain refinement and impurity control; commonly paired with Ti systems.
AlFe: controlled iron additions and phase management to balance strength and casting behavior.
AlMn: strength and recrystallization resistance; stabilized intermetallics for toughness and formability.
AlCr: high‑temperature strength and corrosion resistance when coarse phases are avoided.
AlCu: precise copper additions for strength and heat‑treat response.
AlV: precipitation control and elevated temperature stability in specialized uses.
AlZr: enhanced recrystallization resistance and service temperature.
Consistent chemistry: tight elemental tolerances verified by spectral analysis; low impurity levels.
High recovery: optimized microstructure and casting parameters for rapid dissolution and minimal melt loss.
Structure control: targeted combinations (e.g., Sr modifiers, TiB refiners) for stable mechanical properties and improved surface finish.
Process compatibility: suitable for die casting, sand casting, continuous casting, and extrusion billet production.
Al‑Si foundry alloys: AlSi and AlSr systems improve fluidity, feeding, and fatigue performance in engine components, structural castings, and housings.
5xxx/6xxx/7xxx wrought grades: AlMn, AlTi/AlB, and AlZr aid strength, recrystallization resistance, and texture control in sheet, extrusions, and forgings.
High‑performance uses: AlCu, AlCr, and AlV support precipitation control and elevated‑temperature strength.
Our provincial R&D centers and comprehensive labs validate composition and performance using spectral analyzers and controlled furnaces. With over 100 patents, two China Patent Awards, and participation in drafting national standards for aluminum alloy additives, we focus on continuous improvement.
We operate four production bases. The Anhui plant (133,333 m²) has three lines and 120,000 t/year total capacity, including 30,000 t master alloys and 30,000 t AlTiB. Harbin HQ houses a provincial R&D center and a planned 13,000 t/year capacity. Cangzhou facilities are recognized as high‑tech enterprises. Eight logistics centers and warehouses in Fujian, Jiangsu, Chongqing, and Guangdong help shorten lead times and support delivery to nearly 300 customers in about 40 countries.
We tailor chemistries and formats to dosing preferences and production scale, enabling efficient melt additions and consistent recovery. From lab validation to plant trials, our team helps define addition temperatures, holding times, and sequences for stable, repeatable results.
Shipments include clear labeling for alloy type, batch, and inspection records to support traceability. Store products dry and contaminant‑free. Add to the melt using practices that limit oxidation and promote efficient dissolution.
How to choose the right product? Match function to target properties: Sr for Si modification, TiB for grain refinement, Mn for strengthening, Zr for recrystallization resistance; then adjust levels to your process.
What affects recovery and dissolution? Melt temperature, turbulence, addition method, and microstructure of the addition are key factors.
Difference from alloying tablets? Master alloys pre‑alloy elements in an Al matrix for rapid, uniform dosing; tablets provide compact, precise additions (e.g., Mn or Ni). Both can be combined for flexible melt control.
Tell us your alloy system, process window, and property targets. We can recommend suitable combinations or prepare a quotation.
