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以日本新日铁公司八幡厂的Φ406mm大型自动轧管机组为例,介绍了为满足20世纪70年代石油危机对石油管需求的增加,导致了对自动轧管机组特别是大型机组投资的热潮。详细介绍了Φ406mm自动轧管机组可生产的品种、采用方坯包括连铸坯的规格、热轧生产工艺流程、一般管的精整工艺、石油套管与石油油管的加工工艺以及热轧工艺设备的特点等。
Take Φ406mm large automatic pipe rolling mill at Yachiman Plant of Japan Nippon Steel Corporation as an example, the demand for oil pipelines to meet the oil crisis in the 1970s is introduced, which has led to a boom in investment in automatic pipe rolling units, especially large units. The varieties of Φ406mm automatic tube rolling mill are introduced in detail. The specifications of the billet including the slab, the production process of the hot rolling mill, the finishing process of the general tube, the processing technology of the oil casing and the petroleum tubing, and the hot rolling equipment are introduced And so on.