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连铸技术已有四十余年的发展历史,但是采用连铸坯轧管还只是近一、二十年的事情。最初是把连铸板坯开坯成小型方坯或是圆坯供轧管机组使用,近年来,随着连铸技术的提高,轧管工艺的改进,开始直接采用连铸方坯或连铸圆坯,甚至直接采用连铸空心坯作为轧管机组的管坯。把铜水直接浇铸成所需断面尺寸坯料的连铸过程和轧制坯的生产过程相比,连铸省去了铸锭、脱模、均热炉加热和初轧机开坯等工序,节省了大量的能源,降低了金属消耗及投资费用,因而连铸坯比轧制坯大约便宜10～15％。用连铸坯轧管,最突出的优点就是可以大幅度地降低
Continuous casting technology has more than 40 years of development history, but the use of continuous casting pipe rolling tube is only a matter of a decade or two. The first is the continuous casting of slab billets into small billet or round billet for the use of pipe rolling units in recent years, with the continuous casting technology to improve the rolling process improvements, the direct use of continuous casting billet or continuous casting Round billet, and even direct use of continuous casting hollow billet as a tube unit. The continuous casting of copper water into the desired cross-sectional size of the continuous casting process and the production process of the rolling blank, eliminating the need for continuous casting ingot, mold release, soaking furnace heating and bloom blank and other processes, saving Large amount of energy, reducing the metal consumption and investment costs, so the slab is about 10 ~ 15% cheaper than the rolling billet. Rolling with continuous casting slab, the most prominent advantage is that can be significantly reduced