28% Calcium 60% Silicon Alloy For Steelmaking
Products Description
The 28% Calcium 60% Silicon Alloy for Steelmaking is a highly efficient, multi-functional composite alloy specifically developed for the steel industry. With a stable calcium (Ca) content of approximately 28%, a silicon (Si) content reaching 60%, and a low impurity level (Al+Fe ≤ 7%), it serves as a "multi-functional composite agent" that integrates deoxidation, desulfurization, alloying, and inclusion modification into a single product. Widely utilized in the smelting of medium-to-high-end steel grades-such as low-alloy high-strength steel, bearing steel, and gear steel-this alloy can serve as a substitute for standalone ferrosilicon or pure calcium additions, thereby significantly boosting steelmaking efficiency and steel quality while simultaneously reducing production costs.
Product Parameters
|
Parameter Name |
Standard |
|
Calcium (Ca) |
28%±2% (Key Indicator) |
|
Silicon (Si) |
60%±3% |
|
Aluminum (Al) |
≤2.4% |
|
Carbon (C) |
≤1.0% |
|
Phosphorus (P) |
≤0.04% |
|
Sulfur (S) |
≤0.06% |
|
Appearance |
Off-white, lumpy, no visible impurities |
|
Particle Size |
10-50mm (custom 10-100mm available) |
Application
Low-Alloy High-Strength Steel Smelting: Used in the production of low-alloy high-strength steels for engineering machinery, bridges, and shipbuilding. It effectively performs deoxidation and desulfurization, refines grain structure, and enhances the steel's strength, toughness, and weldability, thereby meeting the rigorous material requirements of high-end engineering projects.
Medium-to-High-End Structural Steel Smelting: Suitable for the smelting of medium-to-high-end structural steels-such as bearing steel, spring steel, and gear steel. Through inclusion modification, it minimizes internal defects within the steel, extends fatigue life, and improves wear resistance, thereby facilitating the production of high-performance mechanical components.
Stainless Steel Smelting: During the smelting of stainless steel grades-such as 430 ferritic stainless steel-adding this product directly into the steel stream improves slag fluidity, reduces the total oxygen content in the molten steel, decreases the size of inclusions, and enhances both the surface quality and corrosion resistance of the stainless steel.
Ordinary Carbon Steel Optimization: Applicable for the deoxidation and desulfurization treatment of ordinary carbon steel. It lowers the content of oxygen and sulfur impurities, minimizes defects such as porosity and cracks, and improves the overall yield rate of the steel. Simultaneously, it supplements silicon content to optimize the steel's chemical composition, contributing to reduced production costs.
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About US
Direct-from-Factory Source: Our facility is situated within China's primary hub for ferroalloy production and processing. We possess a fully integrated supply chain encompassing smelting, processing, and quality inspection. By eliminating intermediaries and engaging directly with overseas clients, we offer ex-factory pricing, thereby significantly reducing procurement costs for our customers.
Comprehensive Qualifications: We hold ISO quality system certification as well as the requisite ferroalloy export license issued by the Ministry of Commerce. Our products strictly comply with the GB/T 5051-2016 standard and other international export regulations. For every batch, we provide a complete set of export documentation-including authoritative inspection reports, customs declarations, and certificates of origin. Furthermore, we possess in-depth knowledge of trade policies across various global regions, enabling us to assist clients in navigating customs clearance smoothly and mitigating potential trade-related risks.
Exemplary After-Sales Support: Our after-sales service team provides expert technical guidance to resolve any issues that may arise during product application. We conduct periodic follow-ups with clients to monitor product usage, assist in optimizing production processes, and foster long-term, stable cooperative relationships.
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732M
Positive Review
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Order recieved
236M
Projects Completed
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FAQ
Q1: Does your 28% Calcium / 60% Silicon alloy comply with national standards?
A1: It fully complies with the GB/T 4701-2021 "Calcium-Silicon Alloy" standard. A test report is provided for every batch of product; the calcium and silicon content, as well as impurity levels, strictly meet the required standards, and third-party testing is welcome.
Q2: What is the Minimum Order Quantity (MOQ)? Do you offer samples for trial use?
A2: The MOQ is 1 ton. We offer free samples for trial use; the sample quantity can be provided according to the customer's specific needs. Customers can first verify the quality and test the performance of the material before proceeding with a bulk purchase.
Q3: Can the particle size and impurity levels be customized?
A3: Yes, we offer customization services. We can adjust the particle size, as well as the calcium-silicon content and impurity levels, to align with the specific steelmaking processes and requirements of our customers, thereby meeting the needs of various application scenarios.
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