Detail of T/CATSI 02007-2020

Introduction of T/CATSI 02007-2020

T/CATSI 02007-2020 Fully-wrapped carbon fiber reinforced cylinder with a plastic liner for the on-board storage of compressed hydrogen as a fuel for land vehicles English T/CATSI 02007:2020 Fully-wrapped carbon fiber reinforced cylinder with a plastic liner for the on-board storage of compressed hydrogen as a fuel for land vehicles English 1 Scope This standard specifies the types and parameters, technical requirements, test methods, inspection rules, installation protection, marking, and packaging, transportation and storage requirements of fully-wrapped carbon fiber reinforced cylinder with a plastic liner for on-board storage of compressed hydrogen for land vehicles (hereinafter referred to as the “cylinder”). This standard is applicable to the design and manufacture of refillable on-board cylinders which serve as fuel tanks for land vehicles to store compressed hydrogen, with a nominal working pressure of not more than 70MPa, a nominal capacity of not more than 450L, and a working temperature no less than -40 ℃ but no more than 85℃. Note: This standard may serve as a reference for hydrogen supply cylinders for hydrogen fuel cell powered urban rail transit, hydrogen-powered vessels, hydrogen-powered aircrafts, and hydrogen power generating units. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB/T 192 General purpose metric screw threads - Basic profile GB/T 196 General purpose metric screw threads - Basic dimensions GB/T 197 General purpose metric screw threads - Tolerances GB/T 228.1 Metallic materials - Tensile testing - Part 1: Method of test at room temperature GB/T 229 Metallic materials - Charpy pendulum impact test method GB/T 528 Rubber, vulcanized or thermoplastic - Determination of tensile stress-strain properties GB/T 1033.1 Plastics - Methods for determining the density of non-cellular plastics - Part 1: Immersion method, liquid pyknometer method and titration method GB/T 1040.1 Plastics - Determination of tensile properties - Part 1: General principles GB/T 1040.2 Plastics - Determination of tensile properties - Part 2: Test conditions for moulding and extrusion plastics GB/T 1220 Stainless steel bars GB/T 1458 Test method for mechanical properties of ring of filament-winding reinforced plastics GB/T 1633 Plastics - Thermoplastic materials - Determination of Vicat softening temperature (VST) GB/T 1636 Plastics - Determination of apparent density material that can be poured from a specified funnel GB/T 2941 Rubber - General procedures for preparing and conditioning test pieces for physical test methods GB/T 3190 Wrought aluminium and aluminium alloy - Chemical composition GB/T 3191 Aluminium and aluminium alloys extruded bars, rods GB/T 3362 Test methods for tensile properties of carbon fiber multifilament GB/T 3452.2 Fluid power systems - O-rings - Part 2: Quality acceptance criteria GB/T 3512 Rubber, vulcanized or thermoplastic - Accelerated ageing and heat resistance tests - Air-oven method GB/T 3682.1 Plastics - Determination of the melt mass-flow rate (MFR) and melt volume-flow rate (MVR) of thermoplastics - Part 1:Standard method GB/T 3934 Specification of gauges for general purpose screw threads GB/T 4612 Plastics - Epoxy compounds - Determination of epoxy equivalent GB/T 5720 Test methods for rubber O rings GB/T 6031 Rubber, vulcanized or thermoplastic - Determination of hardness GB/T 7690.1 Reinforcements - Test method for yarns - Part 1: Determination of linear density GB/T 7758 Rubber, vulcanized - Determination of low-temperature characteristics - Temperature-retraction procedure (TR test) GB/T 7999 Optical emission spectrometric analysis method of aluminum and aluminum alloys GB/T 9251 Methods for hydrostatic test of gas cylinders GB/T 9252 Method for pressure cycling test of gas cylinders GB/T 13005 Terminology of gas cylinders GB/T 13979 Mass spectrometer leak detector GB/T 15385 Method for hydraulic burst test of gas cylinder GB/T 15823 Non-destructive testing - Test methods for helium leak testing GB/T 19466.2 Plastics - Differential scanning calorimetry (DSC) - Part 2: Determination of glass transition temperature GB/T 19466.3 Plastics - Differential scanning calorimetry (DSC) - Part 3: Determination of temperature and enthalpy of melting and crystallization GB/T 20668 Unified screw threads - Basic dimensions GB/T 20975 Methods for chemical analysis of aluminium and aluminium alloys GB/T 21060 Plastics - Determination of pourability GB/T 26749 Carbon fiber - Determination of tensile properties of resin-impregnated yarn GB/T 32249 Aluminum and aluminum-alloy die forgings, hand forgings and rolled ring forgings - General specification GB/T 33215 Pressure relief devices for gas cylinders GB/T 35544 Fully-wrapped carbon fiber reinforced cylinders with an aluminum liner for the on-board storage of compressed hydrogen as a fuel for land vehicles GB/T 37244 Fuel specification for proton exchange membrane fuel cell vehicles - Hydrogen HG/T 4280 Welding procedure qualification for plastics NB/T 47010 Stainless and heat-resisting steel forgings for pressure equipment NB/T 47013.8 Nondestructive testing of pressure equipments - Part 8: Leakage testing T/CATSI 02 009 Technical conditions of glass bulbs used for pressure relief devices of gas cylinders YS/T 479 Wrought aluminum and aluminum alloy for general engineering ASTM D1921 Standard test methods for particle size (sieve analysis) of plastic materials 3 Terms, definitions and symbols 3.1 Terms and definitions For the purposes of this document, the terms and definitions established in GB/T 13005 and the following apply. 3.1.1 liner the inner refers to the inner shell in contact with the gas filled, which is wrapped with carbon fiber reinforced layer, which is used for plastic containers sealing gas and designed to bear no pressure load, including plastic liner, cylinder valve boss, etc. 3.1.2 seamless liner unibody plastic liner without splicing weld 3.1.3 welded liner plastic liner with splicing weld   3.1.4 fully-wrapping a wrapping method to reinforce the cylinder in both circumferential and axial directions by wrapping the continuous carbon fiber impregnated with resin matrix spirally and circumferentially on the plastic liner 3.1.5 fully-wrapped cylinder cylinder formed by thermal curing, with the plastic liner wrapped with continuous carbon fiber impregnated with resin matrix along the circumferential and radial directions 3.1.6 nominal working pressure defined filling pressure of cylinder at the reference temperature (15 ℃) 3.1.7 allowable pressure maximum allowable pressure of the cylinder during filling and use 3.1.8 M1 passenger vehicles passenger vehicles accommodating a maximum of 9 seats including the driver's seat 3.1.9 M2/M3 class-A/B passenger vehicles passenger vehicles accommodating more than 9 seats including the driver's seat, with passenger capacity of no more than 22 (excluding the driver) 3.1.10 batch (gas cylinders) a limited number of cylinders that follow the same design, have plastic liners of the same structural dimensions, are made of the same composite materials, and are wrapped and cured by the same process 3.1.11 batch (liners) a limited number of plastic liners that follow the same design, have the same structural dimensions, and are made of plastic material of the same batch number with the same production process   3.1.12 service life the number of years the cylinder is allowed to be used under specified service conditions 3.1.13 fiber stress ratio the ratio of the stress of carbon fiber when the cylinder is under the minimum burst pressure to that when the cylinder is under the nominal working pressure 3.1.14 rejection elastic expansion (REE) the allowable upper limit for the elastic expansion of cylinder specified by the manufacturer in the design finalization stage of each specification/model of cylinder, expressed in milliliters (ml), which shall not exceed 1.1 times the average elastic expansion of the cylinders of the same specification/model in the design finalization batch under the hydrostatic test pressure 3.1.15 permeation the process in which hydrogen in a gas cylinder permeates into the atmosphere through the gap of plastic liner material 3.1.16 leakage the process in which hydrogen in a gas cylinder is released to the atmosphere through the interface gap or through the wall thickness defect 3.2 Symbols For the purposes of this document, the following symbols apply. K——the center height of flanged edge of weld, mm; Nd——the design number of cycles of the cylinder, times; P——the nominal working pressure of the cylinder, MPa; Pbmin——the minimum burst pressure of the cylinder, MPa; Pb0——the expected value of the cylinder burst pressure, MPa; Ph——the hydrostatic test pressure of the cylinder, MPa; Pm——the allowable pressure of the cylinder, MPa; V——the nominal capacity of the cylinder, L.

Contents of T/CATSI 02007-2020

Foreword i 1 Scope 2 Normative references 3 Terms, definitions and symbols 4 Types, models and basic parameters 5 Technical requirements 6 Test methods and acceptance criteria 7 Inspection rules 8 Installation protection 9 Marking, packaging, transportation and storage 10 Product certificate, and quality certificate for batch inspection Annex A (Normative) Evaluation method for compatibility of plastic liner of the cylinder and hydrogen Annex B (Informative) Quality certificate for batch inspection of fully-wrapped carbon fiber reinforced cylinder with a plastic liner for on-board storage of compressed hydrogen for land vehicles Annex C (Normative) Routine maintenance and inspection of cylinders Annex D (Normative) Welding procedure qualification of plastic liner of cylinder Annex E (Normative) Visual ultrasonic phased array testing and quality grading method for welded joints of plastic liners of cylinders Annex F (Normative) Cylinder tightness helium leakage detection method Annex G (Normative) Performance test method for sealing elements of the cylinder Annex H (Informative) Main technical differences between this standard and ISO 19881:2018 and their causes