The paper gives a description to the electric resistance welding and stretch reducing mill process (ERW/SRM) in steel pipe production and the features of its main equipments.
介绍了用焊接和热减径工艺生产钢管的ERW/ SRM 生产线及其主要的工艺设备特点。
The paper analyzed the causes of roll displacement on mini-stretch reducing mill and the influences of displacement on external-surface quality of steel pipe.
分析了微张力减径机轧辊位移的产生原因以及对钢管外表面质量的影响。
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