25CRR20NI TYPE WELDING MATERIAL FOR HEAT RESISTING ALLOY STEEL

摘要

PURPOSE:To provide the title electrode obtd. by coating a core wire consisting of a specified amt. of C, Si, Mn, Cr and Ni, and the balance Fe with a welding flux, which is equal or superior to the base material in rupture strength and high temp. ductility, and gives a high quality weld zone.