This standard specifies the definition, symbols, types, basic parameters, materials, design, manufacture, test methods, inspection rules, marking, packaging, transportation, storage and other requirements of welded insulated gas cylinders (hereinafter referred to as gas cylinders). This standard is applicable to use under normal ambient temperature (-40°C~60°C), the storage medium is liquid oxygen, liquid nitrogen, liquid argon, carbon dioxide and nitrous oxide cryogenic liquid, the design temperature is not lower than -196°C, and the nominal volume is 10L~450L, refillable vertical gas cylinder with working pressure of 0.2MPa~3.5MPa.
GB/T 12137 Methods for leakage test of gas cylinders*, 2015-12-10 Update
GB/T 13005 Terminology of gas cylinders *, 2011-12-30 Update
GB/T 1804 General tolerances Tolerances for linear and angular dimensions without individual tolerance indications
GB/T 18443.2 Testing method of performance for vacuum insulation cryogenic equipment.Part 2:Vacuum degree measurement*, 2010-09-26 Update
GB/T 18443.3 Testing method of performance for vacuum insulation cryogenic equipment.Part 3:Leak rate measurement*, 2010-09-26 Update
GB/T 18443.4 Performance test methods for vacuum insulation and cryogenic equipment - Part 4: Measurement of leakage and outgassing rates*, 2010-09-26 Update
GB/T 18443.5 Testing method of performance for vacuum insulation cryogenic equipment.Part 5:Static evaporation rate measurement*, 2010-09-26 Update
GB/T 228 Metallic materials--Tensile testing at ambient temperature
GB/T 229 Metallic materials—Charpy pendulum impact test method*, 2020-09-29 Update