Overview
Ferrochrome silicon alloy granules are a critical ferroalloy in metallurgy, combining chromium, silicon, and iron. They are primarily produced through carbothermic reduction in electric arc furnaces. The alloy’s granular form ensures efficient dissolution in molten steel, making it a preferred choice for steelmakers. These granules are classified by their chromium (Cr) and silicon (Si) content, typically ranging from 30-40% Cr and 35-45% Si. Variations in composition allow tailored use in different steel grades, particularly stainless steel and heat-resistant alloys.
Physical and Chemical Properties
Ferrochrome silicon granules exhibit high density (6.5-7.2 g/cm³) and a melting point between 1300-1500°C, suitable for steelmaking temperatures. Their metallic luster and granular form enhance handling and precise dosing during production. Chemically, the alloy acts as a potent deoxidizer and desulfurizer in steel melts. The silicon content reduces iron oxide, while chromium imparts corrosion resistance. The granules are insoluble in water but may react with strong acids, releasing hydrogen gas.
Main Applications
In stainless steel production, ferrochrome silicon granules are indispensable for achieving chromium retention and reducing slag formation. They are also used in alloy steels for automotive and aerospace components, where hardness and heat resistance are critical. Beyond steelmaking, the alloy serves in foundries for casting high-chromium iron parts and in welding electrode coatings. Its consistent granular size ensures uniform melting and alloy distribution, minimizing process variability.
Safety and Storage
While ferrochrome silicon is stable under normal conditions, dust generation during handling requires precautions. Workers should use NIOSH-approved respirators and gloves to avoid inhalation or skin contact. Storage must prioritize dryness to prevent oxidation. Bulk bags or sealed containers are recommended, stacked in well-ventilated warehouses. Spills should be collected using non-sparking tools to avoid ignition risks from fine particles.
B2B Procurement Guide
Buyers should specify technical parameters: chromium (min. 30%), silicon (min. 35%), and low phosphorus/sulfur (≤0.05%). Granular sizes of 1-10mm are standard for steelmaking, while finer grades (0.5-3mm) suit welding applications. Procurement contracts should include batch testing for composition consistency. Leading suppliers are typically located in China, India, and Kazakhstan, with prices fluctuating based on chromium ore market trends. MOQs often start at 20 metric tons.
Related Manufacturers
- 主营：铬靶、二硼化钛靶材、轧制、镍铬合金靶材、镍钒合金靶材、镍铜合金靶材、钛硅合金靶材、合金熔炼、钛铝合金靶材、锰铜阻尼合金、钨镍铁合金、高熵合金、钴铬镍合金靶材、铝合金熔炼、镍合金熔炼、铜合金熔炼、钴铬钼合金、铜合金靶材、镍合金靶材、铬合金靶材、锻造、M2052、熔炼加工服务、钛靶材、石墨靶材
- 主营：合金靶材、特殊合金、溅射靶材、高纯材料、试样加工
- 主营：高熵合金、科研合金、溅射靶材、高纯金属
- 主营：fto靶材、钐靶材、硼化锆、镍铬合金靶材、硒靶材、铝靶材、钆靶材、铽靶材、氟化镁、钇靶材、钼靶材、铬靶材、镉靶材、钽靶材、硒化锌、氟化镱、砷化镓、硒化锑、碲化镉、镍靶材、钨靶材、铑靶材、铒靶材、铪靶材、锑靶材、碲粉末
- 主营：不锈钢焊条、镍基焊条、不锈钢焊丝、超合金焊条、超合金焊丝、伯乐焊条、伯乐焊丝、伊萨焊条、伊萨焊丝、林肯焊条、林肯焊丝、神钢焊条、神钢焊丝、泰克罗伊焊条、泰克罗伊焊丝、镍基焊丝、银焊条、银焊丝、钴基焊丝、金威焊条、大西洋焊条、京雷焊条
- 主营：耐磨焊条、耐磨焊丝、不锈钢焊条、硅粉、不锈钢焊丝、铜焊条、铜焊丝、铝焊丝、铝焊条、镍基焊条、镍基焊丝、银焊条、银焊片、钴基焊条、钴基焊丝、耐热钢焊条、耐热钢焊丝、模具焊条、模具焊丝
- 主营：电解镍、电解铜、铝锭、441工业硅、硅铁合金、3303金属硅、2202金属硅、1101金属硅、电解锰、高中低碳锰铁、高低微碳铬铁、金属铬、锡锭、锡粒、锑锭、铬矿砂、金属锰、铅锭、铋锭、钼铁
- 主营：钨铁粉、铬铁粉、雾化镍粉、金属硅粉、铁硅铝、铁硅铬、片状铁硅铝、片状铁硅铬、镍基合金粉、钴基合金粉、金属粉末铬粉、片状羰基铁粉、羰基铁粉、钴粉、钛铁粉、金属铬粉、钼铁粉、铜粉、超细铁粉、铁粉、高碳铬铁粉、镍粉
- 主营：二次还原铁粉、金属镍粉、金属钼粉、铁硅铬合金粉、金属硼粉、金属铬粉、金属铝粒、金属钒粉、金属铁粉、金属铅粉、金属铜粉、金属锡粉、金属铋粉、金属钇粉、金属碲粉、金属钴粉、金属铌粉、金属铜粒、金属镍珠、金属镍花、金属铬粒、旋耕机刀片、秸秆还添加刀片、碳钢特细焊条
- 主营：耐磨涂层、陶瓷喷涂、喷涂碳化钨、耐磨合金刀片、防腐纳米涂层
- 主营：陶瓷靶材、金属靶材、铜靶材、合金靶材、高纯合金靶材、镍铜合金靶材、二氧化硅靶材、钛铌合金靶材、钼钽合金靶材、银靶材、铝靶材、锂靶材、单质金属靶、高纯银靶材、溅射靶、铬靶材、锆靶材、氧化铟镓锌靶材、铱靶材、铂靶材、硫酸钠靶材、氧化镁靶材、碲化锑靶材
- 主营：纯铜粉、纯镍粉、纯铬粉、合金粉、碳化钨、钒铁粉、紫铜粉、钛铁粉、金属钨、钨粉纯、石墨粉、黄铜粉、钼铁粉、青铜粉、纯铅粉、球形镍粉、纳米铅粉、电解锡粉、导电镍粉、铬粉用户、激光熔覆、铜粉需要、纳米铜粉、超细钴粉、铜粉预定
- 主营：硒粉、镍粉、铜粉、硅粉、钨粉、二氧化锡、钼粉、锡粉、银粉、碳化钨
- 主营：不锈钢粉末、气雾化不锈钢粉末、球形粉末、304L不锈钢合金粉末、铁铬钒合金钢粉、304L合金钢粉末、铁铬钒合金粉末、FeCrV合金钢粉、FeCrV合金粉、合金粉末、不锈钢粉末铁基合金粉、软磁合金粉末、合金粉、3d打印粉末、MIM注射成型材料、316L不锈钢粉末、马氏体时效钢粉末、H13热作模具钢粉、不锈钢金属粉、304L球形金属粉、球形金属粉、金属粉、不锈钢金属粉末、耐磨耐腐蚀涂层材料、耐腐蚀涂层材料
- 主营：金属铝、镀膜机、陶瓷环、银颗粒、金属铬颗粒、金属镍铬合金、镍铬合金颗粒、硫化锌、高纯材料、镀膜材料、石墨加热器、电子枪枪头、高纯度锡粒、镀膜金属材料、光学镀膜材料、镀膜机配件、二氧化锆