For the same reason, aluminum can be cut for a long time. The tools are not worn out too much. In fact, some cutting manufacturers say that they did not change tools for a week at full operation 24 hours a day. Of course, not all aluminum can do this for him like this. Damage to the equipment is a problem for some metal fittings (very high Si metal fittings). However, compared to steel, aluminum is much easier to cut continuously.