The joint microstructure and mechanical properties of high strength bainitic steel plate were studied by CO2 gas shielded welding (CGSW), submerged arc welding (SAW) and manual arc welding (MAW).

• 摘要利用二氧化碳保护焊、埋弧焊、手工电弧焊研究了高强度贝氏体钢板焊接接头的组织和力学性能。