【《瑞士原子能协会通报》1985年第9期第15页报道】沸水堆使用的奥氏体钢再循环管道的焊接裂纹通常要进行修补,或者在未达到危险极限之前挽掉这些管子。最近Sulzer Winterthour 公司研制出一种新的管子扣环,为上述操作提供了一种可靠的替代方法。这种可以快速而安全地使用的管子扣 [Report of the Swiss Atomic Energy Society, 1985, No. 9, page 15] Welding cracks in recirculating pipes of austenitic steels used in boiling water reactors are usually repaired or removed before reaching dangerous limits. Recently, Sulzer Winterthour has developed a new tube buckle that provides a reliable alternative to the above operations. This kind of pipe buckle that can be used quickly and safely