大冶钢厂φ76mm 三辊轧管机组,主机改进型阿塞尔轧管机由联邦德国曼内斯曼德-马克米尔公司设计制造;辅机由国内配套。经过近两年的设备设计、制造和施工安装,该机组已于1988年4月29日轧出了第一根钢管。接着又进行了两个月的调试、试轧和考核。热负荷试车的钢种有轴承钢 Daye Steel φ76mm three-roll pipe unit, the host of modified Assel pipe mill by the Federal Republic of Germany Mannesmand - Maximeer company design and manufacturing; auxiliary by the domestic package. After nearly two years of equipment design, manufacturing and construction and installation, the unit has been rolled out in April 29, 1988 the first steel pipe. Then there are two months of commissioning, trial rolling and assessment. Heat load test of steel bearing steel