Deoxidizer Series

Calcium‑Barium‑Aluminum‑Silicon Alloy (Ca‑Ba‑Al‑Si Alloy) – A Composite Metallurgical Additive for Ultra‑Deep Deoxidation and Extreme Inclusion Control

Calcium‑Barium‑Aluminum‑Silicon Alloy is a multifunctional composite alloy with precisely balanced proportions of calcium, barium, aluminum, and silicon, typically containing 6%–12% calcium, 10%–25% barium, 8%–20% aluminum, and 40%–55% silicon. It serves as a key metallurgical carrier for achieving extreme deoxidation, deep desulfurization, ultra‑fine dispersion of inclusions, and efficient conversion of primary alumina in the production of ultra‑clean specialty steels, nuclear power steels, aerospace high‑temperature alloys, and electronic‑grade advanced materials. The product offers core advantages such as long‑acting synergistic deoxidation by barium and calcium, composite modification by aluminum and silicon, and nanoscale dispersion strengthening of inclusions, along with characteristics including well‑designed melting‑point and density gradients, no explosive reactions during dissolution, and strong compositional adaptability. It enables steady multi‑element release and refined full‑process inclusion control during VIM/VAR melting, ESR remelting, and ultra‑low‑oxygen ladle refining, significantly improving material cleanliness, suppressing the formation of large clustered Al₂O₃, and enhancing the endurance life and fatigue resistance of high‑temperature alloys.

Produced through high‑vacuum melting and rapid‑solidification powder technology, based on precise quaternary phase‑diagram design and non‑equilibrium microstructure regulation, the product exhibits ultra‑low gas content ([O] ≤ 30 ppm, [N] ≤ 50 ppm), segregation‑free microstructure, and stable moisture‑resistant encapsulation. It effectively prevents nitrogen and oxygen pickup during refining, reduces clogging by calcium‑aluminate deposits, and promotes uniform distribution of sub‑micron barium‑calcium‑aluminosilicate inclusions. It is particularly suitable for cutting‑edge material fields with extreme requirements on non‑metallic inclusion size and quantity, such as single‑crystal superalloys, rotor steels for ultra‑supercritical power plants, integrated‑circuit lead‑frame materials, and steels for deep‑sea pressure hulls.

We provide ultra‑clean metallurgy and advanced‑material research institutions with customizable multi‑component compositions, multiple form options (powder/granules/blocks), and full‑process three‑dimensional inclusion characterization analysis for Calcium‑Barium‑Aluminum‑Silicon Alloy, along with cross‑scale metallurgical engineering solutions. We are committed to being your strategic partner in pushing the boundaries of material purity and achieving reliability upgrades for service under extreme conditions.