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250毫米自动轧管机组美国科罗拉多州燃料和铁公司(Colorado Fuel and Iron Corparation)普韦布洛厂(Pueblo)建有一套250毫米自动轧管机组。该机组由美国Aetna-Standkd公司制造,于1953年建成投产。1955年进行了改造,将原来的14架减径机改为16架张力减径机。这套
250mm Automatic Tube Rolling Mill Colorado Fuel and Iron Corparation Pueblo has a 250mm automatic tube rolling mill. The unit by the United States Aetna-Standkd company, completed and put into operation in 1953. In 1955 was transformed, the original 14 reducing machine to 16 tension reducing machine. This set