发明名称 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.
申请公布号 JPS53127338(A) 申请公布日期 1978.11.07
申请号 JP19750143627 申请日期 1975.11.29
申请人 KOBE STEEL LTD 发明人 SUGIYAMA NOBU;OOTA SADAO;YAMAGA MAKOTO
分类号 B23K35/30 主分类号 B23K35/30
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