如题所述
设计制造标准:GB/T 12235,AP600,API6D,ANSI/ASME.B16.34连接法兰标准:GB/T 9113,API6D,ANSI/ASME B16.5压力温度等级:GB/T 12224-2005,,GB/T9131,ANSI/ASME.B16.34试验检验标准:GB/T 13927-2008,JB/T9092,,API598,API6D