钢管同管壁厚差的研究
A STUDY ON WALL THICKNESS DIFFERENCE IN A SAME STEEL PIPE
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摘要: 本文阐述了穿孔毛管产生同管壁厚差的原因;研究了穿孔、轧管、带芯棒拔制对同管壁厚差的影响。Abstract: The causes producing wall thickness difference in a same pierced shell are expounded and the influences of piercing,rolling and mandrel drawing on the difference are studied.
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