对210mm A517GrQ Modified 钢焊接接头不同位置的HV5显微硬度进行检测。焊接采用的热输入分别为15 kJ/cm和25kJ/cm。检测位置包括焊缝中心、熔合线、焊接热影响区、基体。
The HV5 microhardness of welded joints of 210mmA517GrQ Modified steel was measured at different positions. The heat input for welding is 15 kJ/cm and 25kJ/cm respectively. The detection positions include weld center, fusion line, heat affected zone and matrix.