Hard-facing

The HYDCrMo martensite stainless steel hardfacing flux cored wire for submerged arc welding had been developed.

開發了馬氏體不銹鋼型HYDCrMo埋弧硬面堆焊藥芯焊絲 ,其堆焊層的顯微組織為馬氏體 +少量殘余奧氏體 ,在馬氏體基體上彌散分布著細小的碳化物質點。