Standard No.:	NB/T 47057-2017
English Name:	Tank containers for liquefied gases
Chinese Name:	液化气体罐式集装箱
Professional Classification:	NB    Professional Standard - Energy
Issued by:	China Energy Aminidstration
Issued on:	2017-03-28
Implemented on:	2017-8-1
Status:	valid
Superseding:	JB/T 4781-2005 Tank containers for liquefied gases
Language:	English
File Format:	PDF
Word Count:	25000 words
Price(USD):	1000.0
Delivery:	via email in 1 business day

1 Scope 1.1 This standard specifies the requirements for materials, design, fabrication, test methods, inspection rules, marking and identification, ex-factory documents, storage and transportation of tank containers for liquefied gases (hereinafter referred to as tank containers). 1.2 This standard is applicable to steel tanks with design pressure not less than 0.1MPa and tank volume not less than 1m3. 1.3 This standard is not applicable to the following tank containers: ——tank container made of non-ferrous metal or non-metallic materials; ——tank container with tank being of vacuum insulation structure; ——tank container with special requirements such as national defense military equipment. 1.4 Definition of scope 1.4.1 Tank containers applicable to this standard include tank, pipeline, safety accessories, instruments, filling/discharging accessories, frameworks, supports, etc. 1.4.2 The tank is defined as follows: a) the beveled end surface of the first circumferential joint of welded connection between the tank and the pipeline; b) the first threaded joint end surface of the threaded joint between the tank and the pipeline or safety accessories; the first flange sealing surface of flange connection; c) the end cove, end plug and their fasteners of the tank opening part; d) the connection weld between the tank and the non-pressure elements. 1.4.3 Main pressure elements include cylinder, seal head, as well as adapter tubes with the nominal diameter not less than 50mm, reeding, flanges and flange cover plates. 1.4.4 The pipeline includes all pipes and fittings connected to the tank.   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 150.1 Pressure vessels - Part 1: General requirements GB/T 150.2 Pressure vessels - Part 2: Materials GB/T 150.3 Pressure vessels - Part 3: Design GB/T 150.4-2011 Pressure vessels - Part 4: Fabrication, inspection and testing, and acceptance GB/T 196 General purpose metric screw threads - Basic dimensions GB/T 197 General purpose metric screw threads - Tolerances GB/T 567.1 Bursting disc safety devices - Part 1: Basic requirement GB/T 567.2 Bursting disc safety devices - Part 2: Application, selection and installation GB/T 567.3 Bursting disc safety devices - Part 3: Classification and mounting dimensions GB/T 713 Steel plates for boilers and pressure vessels GB/T 1413 Series 1 freight containers - Classification, dimensions and ratings GB/T 1804-2000 General tolerances - Tolerances for linear and angular dimensions without individual tolerance indications GB/T 1835 Series 1 freight container - Corner fittings GB/T 1836 Freight containers - Coding, identification and marking GB/T 3531 Steel plates for low temperature pressure vessels GB/T 6479-2000 Seamless steel tubes for high-pressure for chemical fertilizer equipment GB 6944 Classification and code of dangerous goods GB/T 8163 Seamless steel pipes for liquid service GB/T 9948 Seamless steel tubes for petroleum cracking GB/T 12241 Safety valves - General requirements GB/T 12243 Spring loaded safety valves GB 12268 List of dangerous goods GB/T 14976 Seamless stainless steel pipes for fluid transport GB/T 16563 Series 1 tank containers for liquids, gases and pressurized dry bulk - Specification and testing GB/T 17393 Specification for thermal insulation for use in contact with austenitic stainless steel GB/T 17600 (All parts) Steel - Conversion of elongation values GB/T 22653 Emergency shutoff valve for LG equipment GB/T 24511 Stainless steel plate, sheet and strip for pressure equipment GB/T 25198 Heads for pressure vessels GB/T 26929 Terminology for pressure vessels GB 50126 Code for construction of industrial equipment and pipeline insulation engineering GBZ 230 Classification for hazards of occupational exposure to toxicant NB/T 47008 Carbon steel and alloy steel forgings for pressure equipment NB/T 47009 Low alloy steel forgings for low temperature pressure equipment NB/T 47010 Stainless and heat-resisting steel forgings for pressure equipment NB/T 47013.1 Nondestructive testing of pressure equipment - Part 1: General requirements NB/T 47013.2 Nondestructive testing of pressure equipment - Part 2: Radiographic testing NB/T47013.3 Nondestructive testing of pressure equipment - Part 3: Ultrasonic testing NB/T 47013.4 Nondestructive testing of pressure equipment - Part 4: Magnetic particle testing NB/T 47013.5 Nondestructive testing of pressure equipment - Part 5: Penetrant testing NB/T 47013.10 Nondestructive testing of pressure equipment - Part 10: Ultrasonic time of flight diffraction technique NB/T47013.11 Nondestructive testing of pressure equipment - Part 11: Standard practice for X-ray digital radiography NB/T 47013.14 Nondestructive testing of pressure equipment - Part 14: X-ray computed radiographic testing NB/T 47014 Welding procedure qualification for pressure equipment NB/T47016 Mechanical property tests of product welded test coupons for pressure equipment NB/T 47018 (all parts) Technical permission of welding materials for pressure equipment JB/T 4711 Coating and packing for pressure vessels transport JB 4732-1995 Steel pressure vessels - Design by analysis (Confirmed in 2005) HG/T 20592 Steel pipe flanges (PN designated) HG/T 20610 Spiral wound gaskets for use with steel pipe flanges (PN designated) HG/T 20614 Specification for selection of steel pipe flanges, gaskets and bolting (PN designated) HG/T 20615 Steel pipe flanges (Class designated) HGT 20631 Spiral wound gaskets for use with steel pipe flanges (Class designated) HG/T 20635 Specification for selection of steel pipe flanges, gaskets and bolting (Class designated) HG 20660 Standard for classification on hazards of toxicity and explosion of chemical mediums in pressure vessel TSG R0005 Supervision regulation on safety technology for transportable pressure vessel TSG Z6002 Examination rules for welding operators of special equipment 3 Terms and definitions For the purposes of this document, the terms and definitions given in GB/T 150.1, GB/T 150.4, GB/T 16563 and GB/T 26929 as well as the following apply. 3.1 liquefied gas gas that is partially liquid when pressurized at a temperature higher than -50℃, including high-pressure liquefied gas with a critical temperature of -50℃~65℃ and low-pressure liquefied gas with a critical temperature higher than 65℃ 3.2 tank containers for liquefied gases mobile pressure vessel consisting of two basic parts, i.e. tank and framework, for filling liquefied gas 3.3 rating total mass of tank container, which is the maximum value for operation and the minimum value for test, usually expressed by the letter "R” 3.4 geometric volume internal volume of tank determined according to the designed geometric dimension (without considering the fabrication tolerance, but deducting the volume of the internal parts) 3.5 equivalent pressure pressure on the tank caused by the inertial force of the contents under normal transportation conditions 3.6 reference steel reference material with the lower limit of set standard tensile strength, Rm, of 370MPa and the elongation after fracture, A, of 27%

Foreword i 1 Scope 2 Normative references 3 Terms and definitions 4 Qualifications and responsibilities 5 Materials 6 Design 7 Safety accessories, instruments and filling/discharging accessories 8 Fabrication 9 Test methods 10 Inspection rules 11 Marking and identification 12 Ex-factory documents 13 Storage and transportation Annex A (Normative) Declaration of conformity and revision of the standard Annex B (Normative) Risk assessment report Annex C (Normative) Calculation of safe discharge volume of tank and discharge capacity of safe discharge device