The technological study of the desulphurization, deoxidation, trim-ming and inclusion modification effects of Ca-cored wire feeding in ladle is reported for free cutting steels and alloy steels. 报道了采用金属钙包复线冶炼钙硫易切削钢和合金钢时的脱硫、脱氧、合金微调以及控制钢中夹杂物的工艺研究。
Formation and behavior of Telluride in free cutting steels 易切削钢中碲化物的形成和行为
Formative conditions and predictable method for rare earth inclusions in free cutting steels are systematically dealt with effects of the inclusions on the properties of the steel is summed up; 论述了易切削钢中稀土夹杂物相的形成条件及其预测方法,并总结了稀土夹杂物对钢性能的影响。
Study on the Ageing Process of Austenitic Nitrocarburizing Layers of Low carbon Free Cutting Steels 低碳易切钢奥氏体氮碳共渗层时效研究
The standardized series products of free cutting steel have been developed and with wide using concasting technology, the free cutting steels have uniform cutting properties. 工业化国家切削钢已形成标准化系列产品,并伴随连铸技术的广泛采用,使易切削钢具有均匀的切削性能。