本文件规定了在定期检查和测试环包（2型）和全包（3型和4型）复合可运输气瓶和水容量高达3？的管道期间使用声发射检测（AT）000？l、 带有铝合金、钢或非金属衬里或无衬里结构（类型5），用于在压力下压缩和液化气体。 它仅适用于复合材料的验证。附加检查，如衬里的内部目视检查，不适用于本文件（见ISO？11623）。 注意除非另有说明，否则本文件中使用的“圆柱体”一词指的是圆柱体和管子。

This document specifies the use of acoustic emission examination (AT) during periodic inspection and testing of hoop wrapped (Type 2) and fully wrapped (Types 3 and 4) composite transportable gas cylinders and tubes of water capacity up to 3？000？l, with aluminium-alloy, steel or non-metallic liner or of linerless construction (Type 5), intended for compressed and liquefied gases under pressure. It is applicable to only the verification of the composite material. Additional inspection such as internal visual inspection of the liner does not apply to this document (see ISO？11623). NOTE？Unless noted by exception, the use of the word “cylinder” in this document refers to both cylinders and tubes.