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介绍奥－贝球铁焊接冶金、工艺及材料在国内外的研究进展，分别讨论等温处理条件下获得奥－贝球铁焊缝、焊态下获得奥－贝球铁焊缝及热影响区在加热过程中的冶金、相变及工艺对焊接接头组织与机械性能的影响，提出了当前进一步研究奥－贝球铁焊补的新问题。
The progress of the research on the welding technology, process and materials of austenitic-ductile iron at home and abroad are introduced respectively. The welding of austenitic-ductile iron under the condition of isothermal treatment and the welding of the austenite- The influence of metallurgy, phase transformation and technology on the microstructure and mechanical properties of welded joints during heating process is proposed.