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YD047埋弧耐磨藥芯焊絲；                                                                                                               規格；1.2-1.6-2.0-2.5-3.0，                                                                                                                                                化學成分；C≦1.7，Mn  1.5-3.0，Cr4.0-7.0，Mo1.5-3.0，Ni ≦3.0，                                                硬度  ≥55，                                                                                                                                     適用范圍；用于輪壓機的擠壓輥表面的堆焊，