Xuzhou Siyuan Aluminum Industry / Siyuan Aluminum Metallurgy Fluxes and Master Alloys
Metallurgical fluxes, structure modifiers and aluminium master alloys engineered by Xuzhou Siyuan Aluminum Industry / Siyuan Aluminum: technical selection for foundry melting lines.
Xuzhou Siyuan Aluminum Industry / Siyuan Aluminum: metallurgy fluxes and alloys
The manufacturing plant of Xuzhou Siyuan Aluminum Industry (brand Siyuan Aluminum) in Xuzhou produces fluxes and treatment compounds for aluminum foundry metallurgy. Products serve primary smelting, wrought alloy processing and secondary aluminum recycling in modern melting operations.
- Industrial manufacturing facility for foundry processing materials based in Xuzhou
- Annual production capacity exceeding 80,000 metric tons of metallurgical fluxes
- Formulations complying with national metallurgical technical standards YS/T491-2020
- Engineering selection of foundry treatment consumables according to furnace design
Dross separating and dross treatment fluxes: SY-QJ1, SY-WQ2, SY-CRQJ1
Siyuan Aluminum dross treatment compounds are engineered to separate metallic aluminum from oxide layers during melting. These formulations generate dry loose dross, simplifying skimming procedures and reducing metal entrapment across reverberatory and crucible furnace operations.
- Flux SY-QJ1 for efficient separation of molten metal from surface oxide dross layers
- Sodium-free composition SY-WQ2 dedicated to high-magnesium wrought alloys like 5xxx
- Remelting dross agent SY-CRQJ1 optimized for recycling aluminum scrap with low loss
- Operational furnace temperature range from 700 to 780 °C with dosage of 0.1 to 0.3%
Eco refining and degassing fluxes: SY-HGJ1, SY-ReJ1, SY-CRJ1
Refining fluxes by Xuzhou Siyuan Aluminum Industry deliver melt degassing and fine non-metallic inclusion removal. The smoke-free cylinder tablets replace hazardous hexachloroethane, eliminating hydrogen porosity and improving mechanical tensile metrics across molten batches.
- Eco-friendly cylinder tablet SY-HGJ1 replacing hexachloroethane without dense smoke
- Alumina oxide inclusions reduction exceeding 20 percent inside prepared melt batches
- Rare earth refining agent SY-ReJ1 designed for high-integrity structural metal parts
- Bell plunger immersion technique at operational temperature range from 700 to 790 °C
Eutectic silicon modifiers and master alloys: SY-SB4, SY-GLB1, AlSr
Structure modifying products from Siyuan Aluminum transform coarse acicular silicon flakes into fine fibrous fibrous networks within aluminum silicon alloys. This refinement enhances ductility and tensile strength while preventing hot tearing during high-pressure foundry solidification.
- Strontium long-duration modifier SY-SB4 suitable for low-pressure mold foundry runs
- High phosphorus modifier SY-GLB1 engineered for hypereutectic automotive piston alloys
- Al-Sr master alloy rods providing uniform strontium recovery without oxidation fade
- Extended structural modification effect retained through multiple holding furnace hours
Aluminium master alloys and grain refiners: AlTiB, AlSr, AlTi, AlZr
Master alloys from Xuzhou Siyuan Aluminum Industry are supplied in rod, waffle and ingot geometries with verified elemental proportions. These additives promote heterogenous nucleation, suppress columnar grain growth and introduce refractory transition elements without bath overheating.
- AlTi5B1 grain refiner rod engineered for continuous billet and slab rolling lines
- AlZr, AlCr and AlTi intermediate alloys upgrading high-temperature creep performance
- AlB master alloys removing transition metal impurities in electrical conductor grades
- Uniform elemental dissolution preventing hard intermetallic segregation in melts
Impurity element removers and furnace cleaners: SY-CMJ2, SY-CNJ3
Specialized metallurgical agents by Xuzhou Siyuan Aluminum Industry selectively remove unwanted elements including magnesium, sodium, calcium and lithium from recycled melts. The SY-QLJ furnace cleaner softens stubborn corundum wall buildup, extending refractory lining service life.
- Agent SY-CMJ2 providing selective demagging reactions at an 8-to-1 ratio against magnesium
- Sodium-free compound SY-WGJ1 eliminating calcium without unwanted sodium pickup risks
- Furnace cleaning flux SY-QLJ1 disintegrating adherent corundum dross on lining walls
- Pneumatic powder injection using dry nitrogen carrier gas or submerged bell plunging
Foundry metallurgy purification and aluminum treatment objectives
The structural integrity of molded aluminum components and wrought shapes depends upon molten melt purity. Dissolved hydrogen gas and dispersed non-metallic alumina inclusions introduce porosity, microcracks and internal voids into solidified alloy matrices.
Metallurgical treatment fluxes engineered by Xuzhou Siyuan Aluminum Industry (Siyuan Aluminum) provide melt cleansing within reverberatory, crucible and holding furnaces.
Deploying eco-friendly cylindrical refining tablets SY-HGJ1 alongside dross separation fluxes SY-QJ1 diminishes insoluble oxide concentrations by more than twenty percent while transforming reactive surface dross into dry crumbly residue.
This technique curbs elemental burnout losses and prolongs refractory furnace lining life.
Silicon phase modification within aluminum foundry alloys
Within hypoeutectic and eutectic aluminum-silicon systems, unmodified silicon crystallizes as coarse acicular plates that act as mechanical stress concentrators.
Long-duration strontium modifiers such as SY-SB4 and AlSr10 master alloy formulations refine coarse lamellar networks into fine fibrous eutectic structures, elevating tensile ductility and elongation properties.
For hypereutectic automotive piston formulations, high-phosphorus modifier SY-GLB1 introduces nucleation substrates of aluminum phosphide that prevent excessive primary silicon crystal growth.
The resulting grain refinement endures through extensive furnace holding intervals without requiring secondary addition cycles.
Aluminium master alloys and continuous grain refinement
During semi-continuous billet extrusion and direct chill mold runs, primary aluminum grain refinement proves essential.
AlTi5B1 master alloy rods manufactured by Xuzhou Siyuan Aluminum Industry deliver stable titanium diboride nucleating particles that initiate heterogenous grain growth across the freezing liquid front.
Evenly dispersed nucleation centers suppress columnar dendrite formation and minimize hot tearing risks during downstream rolling and extrusion.
The portfolio also includes AlZr, AlCr, AlTi and AlB intermediate alloys to adjust elemental compositions and precipitate dissolved impurities within electrical conductor grades.
Selective magnesium removal and furnace wall cleaning
Secondary recycling facilities processing mixed scrap turnings face elevated magnesium concentrations that exceed strict specification limits.
Demagging formulations SY-CMJ2 facilitate selective oxidation and dross extraction of excess magnesium at an eight-to-one stoichiometric ratio without harming the base aluminum liquid.
To counteract hard corundum buildup along furnace refractory walls, maintenance crews utilize SY-QLJ1 furnace cleaning fluxes.
Operating at temperatures between 800 and 900 degrees Celsius, these fluxes soften stubborn oxide deposits, allowing easy physical removal while avoiding brick damage and shortening scheduled downtime.
Operational temperature windows and introduction methods
Achieving consistent metallurgical results with Xuzhou Siyuan Aluminum Industry fluxes requires adherence to recommended temperature windows.
Dross removal compounds SY-QJ1 are distributed across the liquid surface between 700 and 780 degrees Celsius, followed by gentle mechanical stirring and a brief dwell time to allow thorough separation.
Refining tablets SY-HGJ1 are submerged to three-quarters depth using perforated plunging bells at 700 to 790 degrees Celsius until bubbling ceases.
For granular and powdered impurity removers, pneumatic lance injection utilizing dry nitrogen or argon carrier gas provides uniform dispersion throughout deep furnace baths.
Technical formulation matching for diverse melting operations
Selection of metallurgical consumables from Xuzhou Siyuan Aluminum Industry aligns with finished product mechanical criteria, charge material quality and melting equipment layout.
Metallurgical engineers evaluate refractory types, degasser configurations and molding methods to recommend tailored consumable packages.
Specific consumption rates, reaction intervals and sequence protocols for modifier and master alloy additions are calculated for each workshop. Deliveries are accompanied by manufacturer quality certificates detailing laboratory chemical assay results and particle sizing across every supplied batch.
Xuzhou Siyuan Aluminum Industry / Siyuan Aluminum and model names are trademarks of their respective owners and are used only to identify the equipment for which we source parts. SpareX is not an official dealer, distributor or representative of Xuzhou Siyuan Aluminum Industry / Siyuan Aluminum and is not affiliated with the trademark owner. Origin, documents and warranty are stated for each item in the quotation.
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Documents and sources
- Official website of Xuzhou Siyuan plant — engineering portal and product catalog
- Enterprise overview of Siyuan Aluminum — manufacturing capacity and standards
- Metallurgical flux product line — technical specifications and operational dosage
- Aluminium master alloys catalog — intermediate alloys AlTiB and AlSr specifications
