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阐述了铸铁的焊接性、焊接缺陷的成因及预防措施，介绍了目前国内生产实际中常用的铸铁焊接工艺要点及其优缺点，对目前该工艺的应用现状进行分析，说明国内铸造业进一步开庆铸铁焊接工艺的可能性和必要性。
The welding castability of cast iron, the causes of the welding defects and preventive measures are introduced. The main points and advantages and disadvantages of cast iron welding process commonly used in domestic production are introduced. The current application of the process is analyzed, which shows that the foundry industry in China further opens Possibility and necessity of cast iron welding process.