无缝轧制钢管
The wall thickness tolerance of hot-rolled seamless steel tubes is a major issue which has to be addressed in case of operation of any newly-built or modified hot-rolling tube mill.
如何获得更高的热轧无缝钢管的尺寸精度是新建或改造轧管机组重点考虑的问题。
The general occurrence and distribution of internal surface hollow and hole defect of hot continuous rolled seamless tube are introduced.
介绍了热连轧无缝钢管内表面凹坑、孔洞缺陷的基本形式和分布规律。
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