Custom Grade CaSi Alloy For Metallurgical Applications

Custom Grade CaSi Alloy for Metallurgical Applications is a complex ferroalloy featuring silicon (Si) and calcium (Ca) as core constituents, with iron serving as the base matrix. The Ca/Si ratio, impurity levels, and particle size distribution can be precisely adjusted to meet specific client process requirements. Leveraging high-purity raw materials and a closed submerged arc furnace smelting process, this product combines the stable deoxidizing power of silicon with the potent desulfurizing and inclusion-modifying advantages of calcium. Compared to standard calcium-silicon alloys, it offers superior compositional stability, higher purity, and more controllable absorption rates, making it ideally suited to meet the rigorous metallurgical demands of high-quality steels, specialty steels, and precision casting applications.

Cast Iron Foundry Sector: As a premium inoculant, the CaSi alloy is added to molten iron to provide graphite nucleation sites. It transforms graphite morphology from coarse flakes into fine spheroids or vermicular structures, thereby boosting the cast iron's tensile strength by 40%–60%, enhancing its wear resistance, heat resistance, and toughness, and minimizing casting defects.
Non-ferrous Metal Refining Sector: In the production of aerospace-grade aluminum alloys, it serves as a deoxidizer-replacing traditional aluminum-calcium alloys-to reduce oxide inclusion levels in molten aluminum to below 5 ppm, thereby significantly improving the alloy's resistance to stress corrosion cracking.
Other Extended Metallurgical Applications: It functions as a reducing agent in the production of rare metals, and also serves as a deoxidizer and slag-forming agent in welding electrode coatings. This versatility meets the production requirements of various specialty welding electrodes, further expanding the boundaries of metallurgical application.

Q1: What is the production lead time for custom products?
A: For standard custom orders, the production lead time is 3–7 business days. For large-volume orders, the lead time is 7–15 business days. For custom specifications requiring expedited delivery, we can negotiate a shortened timeline and prioritize production scheduling based on actual requirements.
Q2: Can you provide product inspection reports?
A: Yes. For every batch of custom products, we provide either a third-party authoritative inspection report or a report from our in-house laboratory. These reports detail various parameters-including chemical composition, particle size distribution, and impurity levels-to ensure that the product fully complies with your specific customization requirements.

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