The general domestic and aboard situation for free-cutting steel is reviewed. The kinds for free-cutting steel and the production process of sulfurfree-cutting steel are emphasized.
综合介绍了国内外易切削钢的现状,重点介绍了易切削钢的种类及硫易切削钢的生产工艺。
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"We make very clean, sulfur-free hydrocarbons that drop directly into the existing infrastructure for the production of diesel fuel," said William J. Sims, the chief executive of Joule.