摘要
通过对员村电厂两处主蒸汽管道焊接裂纹的产生、分析及处理，提出了预防措施，并阐述了美国ＡＳＭＥ标准ＳＡ２１７ＷＣ９ 钢焊接过程中温度控制的重要性，为以后施工中避免同类焊接缺陷提供一点经验和依据。
According to the production, analysis and treatment of two welding cracks on main steam pipes of Yuancun Power Plant, the article expounds the importance of temperature control of WC9(U.S.ASEM Standard) steel welding process, puts forward countermeasures, and provides some experience and basis for avoiding same welding defects in future construction.
