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介绍杭钢研制生产低碳硫铋易切削钢1214Bi的情况,以铋代铅,采用合理的成分设计,加入可改善切削加工性能的Bi和S,利用P与S、Mn联合使用可改善切削性的特点,提高钢的易切削性能,使铅污染这一难题得到了有效解决。通过合理的过程控制和参数的调整,精确控制好产品成分,保证产品质量和性能达到用户要求。
Introducing the development and production of low carbon, sulfur and bismuth free cutting steels, 1214Bi, using bismuth for lead, using reasonable composition design, adding Bi and S to improve the machinability, and improving the machinability by using P in combination with S and Mn The characteristics of steel to improve the cutting performance, so that lead pollution problem has been effectively resolved. Through reasonable process control and parameter adjustment, precise control of the product composition, to ensure product quality and performance to meet user requirements.