作为合金元素加入钢中可使钢合金化，增加钢的强度、硬度、延展性、韧性和耐磨性等。
As an alloy element, silicon manganese can alloy the steel, strengthen the intensity, hardness, malleability toughness and wearability of the steel.
本文通过对Q 3 4 5d钢加入微量合金元素V并进行控轧控冷试验。
This paper carries out controlled rolling and controlled cooling test by means of adding microalloy element V to Q345D 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。
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.
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