Hot-rolledseamless steel tube column, as the main vertical load-bearing member, plays the role of structure transferring between the cast RC frame shear wall and the steel roof truss.
The general occurrence and distribution of internal surface hollow and hole defect of hot continuous rolledseamlesstube 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。
3
The wall thickness tolerance of hot-rolledseamless 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.