普通生铁能用氧乙炔切割嗎?过去总是說不行。因为铁、炭、硅等一碰上氧,立即产生許多討厌的氧化物,因此根本割不开。伹是,生产上常常需要切割生铁。为了解决这个問題,,我一直在动脑筋。去年,在我厂焊接試驗室的同志和沪东船厂湯忠宝同志的帮助下,我逐步摸到了用氧乙炔切割生铁的办法。这个方法很簡单:左手拿着普通的氧乙炔割刀的后半段 Ordinary pig iron can be cut with oxyacetylene in the past always say no. Because iron, carbon, silicon, etc. hit the oxygen, immediately produce a lot of annoying oxide, so simply can not open.伹 Yes, it is often necessary to cut pig iron in production. In order to solve this problem, I have been brains. Last year, with the help of my comrades in the welding laboratory of our factory and Comrade Tang Chung-Po of Hudong Shipyard, I gradually came to the idea of ​​cutting pig iron with oxyacetylene. This method is very simple: the left hand holding the second half of oxyacetylene knife