210mmA517GrQ Modified 级钢焊接接头金相,焊接采用的热输入分别为15 kJ/cm和25 kJ/cm,检测位置为焊缝、熔合线、距熔合线三处。
Metallography of welded joint of 210mma517grq modified steel, the heat input used for welding is 15 kJ / cm and 25 kJ / cm respectively, and the detection positions are weld, fusion line and distance from fusion line.