backing welding electrode 中文意思是什麼
backing welding electrode
解釋
底層焊條-
Abstract : after anticorrosion metal - power spray welding was carried out for prevention of corrosion, the matched anticorrosion electrode is used to make backing weld. the new process can replace the traditional process wi th internal repaired mouth
文摘:管道焊前對管端進行耐蝕金屬粉末噴焊防腐,然後採用與之匹配的耐蝕焊條打底焊,從而取代焊后焊接區內補口防腐的傳統施工工藝,達到了管道焊后可不再進行內補口防腐。
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