This part of GB/T38725 specifies the terms and definitions of fiber-reinforced thermoplastic coiled tubing (hereinafter referred to as coiled tubing) and joints. Product structure classification and marking, materials, general requirements, requirements, test methods, inspection rules, marking\packaging. Transport and storage. This part applies to oil and gas gathering, alcohol injection, water injection, and sewage transportation in the petroleum and petrochemical industry, fresh water transportation in the salt chemical industry, hot spring water transportation, mine slurry transportation, etc.
GB/T 38725.2-2020 Referenced Document
GB/T 1033 Test method for density and relative density of plastics
GB/T 1038 Plastics-Film and sheeting-Determination of gas transmission-Differential-pressure method
GB/T 1040 Plastics-Determination of tensile properties