含硼高速钢辊环材料及其制备工艺以及含硼高速钢.pdf
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含硼高速钢辊环材料及其制备工艺以及含硼高速钢.pdf
本发明提供一种含硼高速钢辊环材料及其制备工艺以及含硼高速钢,用废钢、生铁、铬铁、钼铁和钨铁作为初始原料,将其混合倒入在中频感应电炉,经过混合和加热后,熔化成高速钢熔液。钢水融化后,依次加入硅铁、锰铁和金属铝,并将炉内高速钢钢水的主要化学成分控制在1.76‑1.84%C,0.4‑0.6%Si,0.3‑0.4%Mn,3.9‑4.1%Cr,1.9‑2.1%V,5.9‑6.1%W,4.9‑5.1%Mo,余量Fe,然后加入钛铁和硼铁,待全部融化后,启动离心机并浇注成辊环,经退火、风冷淬火和二次回火后,得到的辊环不仅
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