Composite cylinders have been used for over 50 years in commercial, vehicle, defense and aerospace applications. New materials, processes, design approaches and applications have been incorporated during that time. The industry has maintained a high level of safety. The industry has adapted to these changes and has developed new and revised standards to address these changes and to reflect a better understanding of service conditions.
ASME STP-PT-014-2008 history
2008ASME STP-PT-014-2008 IMPROVEMENT OF ASME NH FOR GRADE 91 NEGLIGIBLE CREEP AND CREEP FATIGUE