The properties, producing process of welding wire for roll overlaying and breakdown treatment in its drawing production are introduced.

介绍了轧辊堆焊使用焊丝的性能、生产工艺及焊丝在拉拔过程中的故障处理。

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But whether high chrome cast iron welding rod produces more crack in the overlaying process is with the relation of more horniness carbonization in its organization.

而高铬铸铁型焊条，在堆焊过程中出现较多裂纹，与其组织中有较多的硬质碳化物有关。

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