A new type of high efficiency Fe powder covered electrode contented rare-earth was researched.
通过对普通铁粉焊条药皮成分进行调整,并加入稀土添加剂研制出了一种新型含稀土高效铁粉焊条。
Besides,the design plan of natural air setting electrode is advanced and the experimental result is also offered.
综述了国内外耐磨时效焊条研制现状 ,指出模具堆焊焊条发展方向 ,提出自然时效焊条设计思想 ,并得出一些实验结