对210mmA517GrQ Modified 钢焊接接头的-40℃的冲击功进行检测。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。
The impact value of welded joint of 210 mm A517GrQ modified steel at -40 ℃ was measured. The heat input for welding is 15 kJ/cm and 25kJ/cm respectively. The detection positions include weld center, fusion line, heat affected zone.