EH36大线当量钢(38mm厚)垂直气电焊微观组织:焊缝中心的组织为铁素体+珠光体;熔合线的组织为铁素体+珠光体(呈魏氏组织);粗晶区的组织为铁素体+珠光体(晶粒较粗大);母材的组织为铁素体+珠光体(部分呈带状分布)。
Microstructure of EH36 large wire equivalent steel (38mm thick) vertical gas electric welding: the microstructure of weld center is ferrite + pearlite; The microstructure of the fusion line is ferrite + pearlite (widmanstatten structure); The microstructure of coarse grain zone is ferrite + pearlite (coarse grain); The microstructure of the base metal is ferrite + pearlite (part of which is distributed in bands).