石墨棒为非金属制品，作为碳弧气刨切割工艺中的一种必备的焊接前的切割耗材，是由碳、石墨加上适当的粘合剂，通过挤压成形，经2200℃焙烤旋段后镀一层铜而制成，耐高温，导电性良好，不易断裂，适用于将金属切割成符合要求的形状。

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