06Ni9DR钢板检验的重点及难点分析

The Key and Difficult Points Analysis of 06Ni9DR Steel Plate Supervision

根据液化天然气储罐用06Ni9DR钢板生产的实际情况,结合近十几年来钢板生产中出现过的诸多问题,分析介绍了06Ni9DR钢板各检验工序的重点及难点,主要包括钢板熔炼成分检查、轧制检查、超声检测、热处理检查、力学性能和工艺性能检验、外观质量检查、尺寸和板形检查、标识检查、剩磁检测、包装和运输检查等,可以为类似的钢板生产以及质量控制提供一定的借鉴。

The key and difficult points analysis of 06Ni9DR steel plate supervision is reported,according to the actual situation of domestic 06Ni9DR steel production for liquefied natural gas storage tanks,and the production problems appeared during recent ten years.The details of the production process control points and matters needing attention,including chemical composition,rolling,ultrasonic test,heat treatment,mechanical and processing properties,dimensions,appearance,marking,residual magnetism,packaging and transportation and so on are introduced.These details are also experience for similar steel production and quality control.