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通过对有黑线的中厚钢板进行相关的检验和分析,弄清中厚钢板剪切端面黑线的形成原因。并就黑线对钢板力学性能,焊接性能的影响做了综合分析和评估。
Through the black line of the thick steel plate related inspection and analysis to find out the reasons for the formation of black plate on the end surface of the shear plate. And made a comprehensive analysis and evaluation on the influence of black line on the mechanical properties and welding performance of steel plate.