As alloy additives , ferrosilicon is widely used in low alloy structural steel,alloy structural steel , spring steel , bearing steel , heat - resistant steel and electrical silicon steel .

• 硅铁作为合金元素加入剂广泛用于低合金结构钢、合结钢、弹簧钢、轴承钢、耐热钢及电工硅钢之中。