10.3969/j.issn.1003-8620.2019.05.005
300mm×360mm连铸坯生产Φ80mm非调质钢38MnVS6工艺实践
非调质钢38MnVS6(/%:0.36~0.40C,0.50~ 0.65Si,1.30~ 1.45Mn,≤0.020P,0.045~0.065S,0.10~ 0.30Cr,0.015~0.030A1,≤0.05Mo,0.08~0.12V,0.013~ 0.019N,0.015~0.025Ti)棒材生产流程为60 tLD-LF-VD-CC-Roll工艺.通过控制LD终点[C]≥0.10%,[P]≤0.015%;LF精炼渣碱度R和Al2O3含量分别控制在3.0 ~4.0和20% ~25%;VD后喂S线,控制钢水[S] =0.055%左右;连铸采用低碱度(R=0.65)保护渣;控制终轧温度900℃,轧后棒材缓冷等工艺生产Φ80 mm棒材,产品A类夹杂(粗细)在1.5级,中心疏松1.5级,晶粒度7级,棒材产品性能良好.
60 t LD-LF-VD-CC-Roll、38MnVS6易切削钢、工艺实践、冶金质量
40
2019-10-12(万方平台首次上网日期,不代表论文的发表时间)
共3页
21-23