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通过药芯焊带的成分设计、筛选、堆焊层各项性能试验（如堆焊层硬度耐高温氧化性、耐冷热疲劳性试验及产品堆焊试验）,研制出用于连铸辊埋弧自动堆焊的DL—11型药芯焊带。
Through the composition design, screening and overlay welding of flux cored strip (such as the high temperature oxidation resistance, thermal fatigue resistance test and product surfacing test of overlay layer) Arc automatic welding of DL-11 type cored strip.