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Abstract��By means of the examination and the analysis on the medium heavy plates with black line,the origin of black line at the cutting end of the medium heavy steel plates are found out. Comprehensive analysis and evaluation of the influence of black line on the mechanical properties and weldablity were carried out.

Key words�� black line mechanical properties weld

�ո��: 1900-01-01

��ñ��:

��. �к�ְ��ж��߳��Ӱ��[J]. �й��ڿ��, 2008, 26(6): 56-0. ZHAO Yong��feng. Origin of Black Line at Cutting End and its Influence on Quality of Plates. Chinese Journal of Iron and Steel, 2008, 26(6): 56-0.

��ӱ��:

http://gt.chinamet.cn/Jweb_wlcs/CN/ �� http://gt.chinamet.cn/Jweb_wlcs/CN/Y2008/V26/I6/56