Basicflux-cored wire for backing weld to T91 tube was studied in this paper.
研究了用于T91钢管打底焊的碱性渣系药芯焊丝。
2
The percentages of the flux composition in YJ657 basicflux cored wire which affected the welding technology of basicflux cored wires had been studied.
研究了YJ657碱性药芯焊丝药芯粉的成分配比对焊接工艺性能的影响。
3
The influence of basicflux injection through the tuyeres on softening-melting properties of blast furnace burden and properties of primary slag was investigated in laboratory.