OALib Journal期刊
ISSN: 2333-9721
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侧吹硷性转炉钢质量的研究
, PP. 237-247
Abstract:
通过150余炉钢的度验,指出了为着提高侧吹硷性转炉钢材性能应考虑下列几点1.侧吹硷性转炉钢的常温机械性能是完全符合而远为超过部颁标准甲类钢性能规定之最低数据。但由于钢中含氮较高,平均在0.008%左右,故而就钢材的应变时效、兰脆、应变硬化以及低温性能而言,显著地较酸性转炉钢及平炉钢为低劣。过去选取按平炉钢化学成分的规格,是不合适的,因为忽略了氮气含量的影响。试验提出钢的化学成分修改的意见。2.钢中含氧量的多寡与成品非金属夹杂物的含量,当吹风深浅的程度不变时,在颇大的程度上决定于吹炼终点的炭分高低,且比较显著地影响着钢材的性能,今后应避免吹炼时过分的降炭、出钢后包中增炭以调整成分的操作。
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