This document specifies the types and parameters, technical requirements, test methods, inspection rules, marking, coating, packaging, transportation and storage requirements of compressed natural gas cylinders for automobiles (hereinafter referred to as "steel cylinders"). This document applies to the design and manufacture of the
GB/T 17258-2022 Referenced Document
GB/T 12137 Methods for leakage test of gas cylinders
GB/T 222 Permissible tolerances for chemical composition of steel products
GB/T 224 Determination of the depth of decarburization of steels
GB/T 226 Test method for macrostructure and defect of steel by etching
GB/T 228 Metallic materials--Tensile testing at ambient temperature
GB/T 229 Metallic materials—Charpy pendulum impact test method
GB/T 230 Metallic materials--Rockwell hardness test
GB/T 231 Metallic materials--Brinell hardness test
GB/T 232 Metallic materials - Bend test methods*, 2024-03-15 Update
GB/T 33215 Pressure relief devices for gas cylinders
GB/T 4157 Laboratory testing of metals for resistance to sulfide stress cracking and stress corrosion cracking in H2S environment
GB/T 4336 Determination of multi-element content in carbon steel and medium and low alloy steel Spark discharge atomic emission spectrometry (conventional method) Amendment No. 1
GB/T 5777 Automated full peripheral ultrasonic testing of seamless and welded (except submerged arc-welded) steel tubes for the detection of longitudinal and/or transverse imperfections