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
NB/T 47057-2017, NB 47057-2017, NBT 47057-2017, NB/T47057-2017, NB/T 47057, NB/T47057, NB47057-2017, NB 47057, NB47057, NBT47057-2017, NBT 47057, NBT47057
Introduction of NB/T 47057-2017
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%
Contents of NB/T 47057-2017
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
