Life Analysis on Welding Joint of T91 and G102 Dissimilar Steel After Long-time Service
The life of dissimilar steel welding joint of T91 and 12Cr2MoWVTiB(G102) after service for 78000h was analyzed.The remaining life of dissimilar steel welding joint was estimated for 24500 h.In respect that the minimum thickness that strength check of tube needs is over the real thickness of tube,the welding joint should be changed as soon as possible.