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本文重点介绍在包钢用高磷铁水冶炼经400自动轧管机组生产φ140×8毫米油层套管的生产工艺及大庆油田生产复验的结果。一、油层套管的工艺要求及成份控制根据部颁标准(YB690-70),石油套管钢的化学成份:S≤0.045％;P≤0.045％;包钢生产中控制的成份为(％):
This article focuses on the production of φ140 × 8 mm casing produced by Baosteel with high-phosphorus molten iron smelting via 400 automatic pipe mill unit and the result of re-inspection of production in Daqing Oilfield. First, the process requirements of oil casing and composition control According to the ministerial standards (YB690-70), the chemical composition of the oil casing steel: S ≤ 0.045%; P ≤ 0.045% :