川崎钢铁公司在知多厂建设的新一代焊管生产设备已于 2 0 0 0年 10月投产。该设备是将炉焊管和电焊钢管融为一体的新型焊管设备 ,主要生产具有高强度、高加工性能的新型产品—ＨＩＳＴＯＲＹ钢管。新焊管设备在其制管机后设置了张力减径机 ,通过中温高减径轧制 ,使焊管晶粒细化 Kawasaki Iron and Steel Company in Chita plant construction of a new generation of pipe production equipment has been put into operation in October 2000. This equipment is a new type of pipe welding equipment that integrates the furnace pipe and the electric welding pipe. It mainly produces HISTORY steel pipe with high strength and high processability. New welded pipe equipment in its tube machine set tension reducer, through the high temperature reducer rolling, so that the pipe grain refinement