This standard specifies the classification, code, size, shape, weight, technical requirements, test methods, inspection rules, packaging, marks and quality certificates of seamless steel pipes for cryogenic pipelines. This standard applies to grades -45°C to -100. C-grade low-temperature pressure vessel pipes and seamless steel pipes for low-temperature heat exchanger pipes.
GB/T 18984-2003 history
2016GB/T 18984-2016 Seamless steel tubes for low-temperature-service piping
2003GB/T 18984-2003 Seamless steel tubes for low-temperature-service piping