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描述了一种对连铸辊轮表面双层熔覆的埋弧焊新工艺。它采用了两根低合金电极(Φ2.5 mm)和一种高合金填充粉末。这种工艺效率高,得到的组织细且均匀,并且根据不同要求可以灵活改变涂层成份。
A new process of submerged arc welding of double-layer cladding on the surface of continuous casting roller is described. It uses two low alloy electrodes (Φ2.5 mm) and a high alloy filler powder. This process is highly efficient, resulting in fine and uniform microstructure, and flexibility to change the composition of the coating according to different requirements.