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12A1MoVR 钢是为适应我国石油工业的发展而设计的抗高温硫腐蚀用的低合金结构钢。它具有良好的机械性能、工艺性能、焊接性能及抗腐蚀性能,适用于炼油厂各种抗高温硫腐蚀塔体及内构件。生产实践证明其抗腐蚀性能是 A3钢的3～12倍,目前在炼油厂已得到广泛运用,并制成φ6400×32000mm 的大型塔器及其他设备共八座投入工业性运转.使用期最长者已有八年之久,取得了显著的经济效益。1982年已通过冶金部、机械部、石油部、化工部组织的联合鉴定.
12A1MoVR steel is to adapt to the development of China’s oil industry designed for high temperature sulfur corrosion of low alloy structural steel. It has good mechanical properties, process performance, weldability and corrosion resistance, suitable for a variety of high temperature sulfur corrosion tower body and internal components. Production practice proved that the corrosion resistance of A3 steel is 3 to 12 times the current refinery has been widely used and made φ6400 × 32000mm large tower and other equipment, a total of eight put into industrial operation. The longest use period It has been eight years, has achieved significant economic benefits. In 1982, it has passed the joint appraisal organized by the Ministry of Metallurgy, Machinery, Petroleum and Chemical Industry.