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GB standards are the China national standards; Prefix code GB are Mandatory standards, GB/T are Recommended standards; All products or service must be compliance with GB standards; If you want to export products or services to huge Chinese market, need ensure they are meet the requirements of GB china national standards;  We provide Chinese GB standards and English version GB standards  Lookup, Translate, Download, Imported Commodity GB standards Testing and Compliance review services.
  •  China "NB" GB Standards List:
  • Standard  Code GB Standard Title Standard Class Order
  • GB/T 36089-2018
  • Acrylonitrile-butadiene rubber(NBR) NB
    China National Standards
  • GB/Z 17625.14-2017
  • Electromagnetic compatibility—Limits—Assessment of emission limits for harmonics, interharmonics,voltage fluctuations and uNBalance for the connection of disturbing installations to LV power systems NB
    China National Standards
  • GB/T 34685-2017
  • Acrylonitrile-butadiene rubber(NBR)—Evaluation procedure NB
    China National Standards
  • GB/T 34544-2017
  • Safety test methods for oNBoard low pressure hydrogen storage devices for small fuel cell vehicles NB
    China National Standards
  • FZ/T 64064-2017
  • (Polyphenylene sulfide spuNBond nonwoven filter material) NB
    China Textile & Garment industry Standards
  • NB/T 20438-2017
  • (Code for Construction of Roof Structure of Shielded Powerhouse in Non - dynamic Pressure Water Reactor Nuclear Power Plant) NB
    China Energy industry Standards
  • NB/T 20451-2017
  • (General requirements for information management of nuclear power engineering construction) NB
    China Energy industry Standards
  • NB/T 20037.6-2017
  • (Safety Assessment of First Class Probability for Nuclear Power Plants Part 6: Power Operation Other External Event Screening and Conservative Analysis) NB
    China Energy industry Standards
  • NB/T 20439-2017
  • (Code for pressure - temperature limit curve of reactor pressure vessel in pressurized water reactor nuclear power plant) NB
    China Energy industry Standards
  • NB/T 20143.3-2017
  • (Nuclear air and gas treatment - Specification process gas handling - Part 3: Radioactive waste gas retention equipment) NB
    China Energy industry Standards
  • NB/T 20445.2-2017
  • (Two - level probabilistic safety assessment for nuclear power plants - Part 2: Power - running internal events) NB
    China Energy industry Standards
  • NB/T 20468-2017
  • (Technical Guidelines for Load Rejection Tests for PWR Nuclear Power Plants) NB
    China Energy industry Standards
  • NB/T 20475-2017
  • (Identification and Acceptance of Boron Neutron Absorbent Materials for Critical Control of Dry Storage Systems and Transport Containers) NB
    China Energy industry Standards
  • NB/T 20005.38-2017
  • (Carbon steel and low alloy steels for PWR nuclear power plants - Part 38: 15MnHR welded steel pipes for containment) NB
    China Energy industry Standards
  • NB/T 20456-2017
  • (Construction and Quality Acceptance of Steel Plate Concrete Structure in Nuclear Power Plant) NB
    China Energy industry Standards
  • NB/T 20433-2017
  • (Requirements for continuous monitoring of gaseous effluent (radioactive) activity in nuclear power plants) NB
    China Energy industry Standards
  • NB/T 20432-2017
  • (Nuclear power plant Safety important instrument Normal and expected operating event Condition Process Flow tube or tube next to radioactive continuous monitoring equipment) NB
    China Energy industry Standards
  • NB/T 20446-2017
  • (Design requirements of main steam system for PWR nuclear power plant) NB
    China Energy industry Standards
  • NB/T 20447-2017
  • (Overpressure protection of low pressure systems connected to the reactor coolant pressure boundary) NB
    China Energy industry Standards
  • NB/T 20442.2-2017
  • (Guidelines for periodic safety review of nuclear power plants - Part 2: Safety performance) NB
    China Energy industry Standards
  • NB/T 20429-2017
  • (Requirements for the preparation of nuclear power plant accident handling procedures) NB
    China Energy industry Standards
  • NB/T 20467-2017
  • (Technical Guidelines for Commissioning of Reactor Protection System in PWR Nuclear Power Plant) NB
    China Energy industry Standards
  • NB/T 20450.5-2017
  • (PWR nuclear power plant nuclear island machinery and equipment welding another specification Part 5: welding inspection) NB
    China Energy industry Standards
  • NB/T 20469-2017
  • (Technical Guidelines for Loss of Power Supply Tests in PWR Nuclear Power Plants) NB
    China Energy industry Standards
  • NB/T 20442.8-2017
  • (Guidelines for periodic safety review of nuclear power plants - Part 8: Aging) NB
    China Energy industry Standards
  • NB/T 20442.6-2017
  • (Guidelines for periodic safety review of nuclear power plants - Part 6: Actual status of structures, systems and components) NB
    China Energy industry Standards
  • NB/T 20007.48-2017
  • (Stainless steel for PWR nuclear power plants - Part 48: Safety grade equipment - Stainless steel rods for fasteners) NB
    China Energy industry Standards
  • NB/T 20445.1-2017
  • (Two - stage probabilistic safety assessment for nuclear power plants - Part 1: General requirements) NB
    China Energy industry Standards
  • NB/T 20428-2017
  • (General requirements for computer safety precautions for nuclear power plant instrumentation and control systems) NB
    China Energy industry Standards
  • NB/T 20460-2017
  • (Guidance on the implementation of on - site safety standardization of nuclear power engineering) NB
    China Energy industry Standards
  • NB/T 20450.4-2017
  • (Pressurized water reactor nuclear power plant nuclear island machinery and equipment welding another specification Part 4: product welding and heat treatment) NB
    China Energy industry Standards
  • NB/T 20450.2-2017
  • (Pressurized water reactor nuclear power plant nuclear island machinery and equipment welding another specification part 2: welding materials) NB
    China Energy industry Standards
  • NB/T 20450.1-2017
  • (Pressurized water reactor nuclear power plant nuclear island machinery and equipment welding another specification Part 1: general requirements) NB
    China Energy industry Standards
  • NB/T 20443-2017
  • (Nuclear power plant operating radiation protection regulations) NB
    China Energy industry Standards
  • NB/T 20442.9-2017
  • (Guidelines for periodic safety review of nuclear power plants - Part 9: Deterministic safety analysis) NB
    China Energy industry Standards
  • NB/T 20442.4-2017
  • (Guidelines for periodic safety review of nuclear power plants - Part 4: Radiation environmental impacts) NB
    China Energy industry Standards
  • NB/T 20037.7-2017
  • (Safety assessment of primary probabilities used in nuclear power plants - Part 7: Power running strong winds) NB
    China Energy industry Standards
  • NB/T 20450.3-2017
  • (PWR nuclear power plant nuclear island machinery and equipment welding another specification Part 3: welding process assessment) NB
    China Energy industry Standards
  • NB/T 20461-2017
  • (Code for design of dry storage facilities for spent fuel in pressurized water reactors) NB
    China Energy industry Standards
  • NB/T 20442.3-2017
  • (Guidelines for periodic safety review of nuclear power plants - Part 3: Procedures) NB
    China Energy industry Standards
  • NB/T 20472-2017
  • (Design Criteria for Pipeline Arrangement of Nuclear Island Process System for PWR Nuclear Power Plant) NB
    China Energy industry Standards
  • NB/T 20440-2017
  • (Pressurized reactor nuclear power plant reactor pressure vessel to prevent rapid fracture assessment criteria) NB
    China Energy industry Standards
  • NB/T 20462-2017
  • (Thermal analysis of dry storage facilities for spent fuel in pressurized water reactor) NB
    China Energy industry Standards
  • NB/T 20427-2017
  • (Nuclear power plants prevent human error management) NB
    China Energy industry Standards
  • NB/T 20454-2017
  • (Nuclear power plant training system requirements) NB
    China Energy industry Standards
  • NB/T 20466-2017
  • (Nuclear power plant vertical steam generator secondary side tube plate hydraulic cleaning and cleanliness video inspection) NB
    China Energy industry Standards
  • NB/T 20448-2017
  • (Verification and validation of nuclear power plant systems and software) NB
    China Energy industry Standards
  • NB/T 20008.33-2017
  • (Other materials for PWR nuclear power plants - Part 33: Control rod drive mechanism GH5605 alloy rods) NB
    China Energy industry Standards
  • NB/T 20474-2017
  • (Code for design of gas control system for nuclear power plants) NB
    China Energy industry Standards
  • NB/T 20463-2017
  • (Dropping of spent fuel in pressurized water reactors and classification of dry storage facilities) NB
    China Energy industry Standards
  • NB/T 20431-2017
  • (Integral Test of Steel Safety Shell Structure in PWR Nuclear Power Plant) NB
    China Energy industry Standards
  • NB/T 20471-2017
  • (Design criteria for plant water system for non - dynamic pressurized water reactor nuclear power plant) NB
    China Energy industry Standards
  • NB/T 20441-2017
  • (Technical Specification for Secondary Pressure Test of Steam Generator in PWR Nuclear Power Plant) NB
    China Energy industry Standards
  • NB/T 20435-2017
  • (Reactor Start - up Core Test of Reactor in PWR Nuclear Power Plant) NB
    China Energy industry Standards
  • NB/T 20436-2017
  • (Water Chemical Control of PWR Nuclear Power Plant) NB
    China Energy industry Standards
  • NB/T 20426-2017
  • (Maintenance requirements for equipment during commissioning stage of PWR nuclear power plant) NB
    China Energy industry Standards
  • NB/T 20434-2017
  • (Practice of Reactor First Charge in PWR Nuclear Power Plant) NB
    China Energy industry Standards
  • NB/T 20006.39-2017
  • (Steel alloys for PWR nuclear power plants - Part 39: Steel rods for integrated jack - up assemblies) NB
    China Energy industry Standards
  • NB/T 20459-2017
  • (Technical Specification for Heading Grouting at Steel Bottom Seal of Steel Safety Shell in Non - dynamic Pressure Water Reactor Nuclear Power Plant) NB
    China Energy industry Standards
  • NB/T 20008.32-2017
  • (Other materials for PWR nuclear power plants - Part 32: NS3306 alloy sheet and strip for control rod drive mechanism) NB
    China Energy industry Standards
  • NB/T 20464-2017
  • (Detection of helium leak in steam generator heat transfer tube of nuclear power plant) NB
    China Energy industry Standards
  • NB/T 20470-2017
  • (Analysis Criteria for the Origin of Nuclear Power Plant) NB
    China Energy industry Standards
  • NB/T 20037.1-2017
  • (First - level probabilistic safety assessment for use in nuclear power plants - Part 1: General requirements) NB
    China Energy industry Standards
  • NB/T 20005.12-2017
  • (Carbon and low alloy steels for PWR nuclear power plants - Part 12: Main steam systems, main feedwater flow control systems, auxiliary water supply systems and seamless steel tubes for steam turbine bypass systems) NB
    China Energy industry Standards
  • NB/T 20444-2017
  • (Analysis Criteria for Designing Baseline Accident of PWR Nuclear Power Plant) NB
    China Energy industry Standards
  • NB/T 20455-2017
  • (Guidelines for Performance Evaluation of Nuclear Power Plants) NB
    China Energy industry Standards
  • NB/T 20005.7-2017
  • (Carbon steel and low alloy steels for PWR nuclear power plants - Part 7: Steel grades 1, 2 and 3) NB
    China Energy industry Standards
  • NB/T 20442.7-2017
  • (Guidelines for periodic safety review of nuclear power plants - Part 7: Experience feedback) NB
    China Energy industry Standards
  • NB/T 20458-2017
  • (Provisions on cleanliness management of Jian An stage of pressurized water reactor nuclear power plant) NB
    China Energy industry Standards
  • NB/T 20442.12-2017
  • (Guidelines for periodic safety review of nuclear power plants - Part 12: Design) NB
    China Energy industry Standards
  • NB/T 20465-2017
  • (Guidance on the management of phase - out of nuclear power plants) NB
    China Energy industry Standards
  • NB/T 20457-2017
  • (Manufacture and Quality Acceptance of Steel Safety Shell Parts for Non - dynamic Pressure Water Reactor Nuclear Power Plant) NB
    China Energy industry Standards
  • NB/T 20005.9-2017
  • (Carbon steel and low alloy steels for PWR nuclear power plants - Part 9: Class 2,3 seamless steel tubes) NB
    China Energy industry Standards
  • NB/T 20442.13-2017
  • (Guidelines for periodic safety review of nuclear power plants - Part 13: Contingency plans) NB
    China Energy industry Standards
  • NB/T 20442.11-2017
  • (Guidelines for periodic safety review of nuclear power plants - Part 11: Qualification of equipment) NB
    China Energy industry Standards
  • NB/T 20442.10-2017
  • (Guidelines for periodic safety review of nuclear power plants - Part 10: Human factors) NB
    China Energy industry Standards
  • NB/T 20437-2017
  • (Test and test procedure for concrete of nuclear power engineering) NB
    China Energy industry Standards
  • NB/T 20007.8-2017
  • (Stainless steel for pressurized water reactor nuclear power plants - Part 8: 1, 2, 3 grade austenitic stainless steel seamless steel tubes) NB
    China Energy industry Standards
  • NB/T 20442.15-2017
  • (Guidelines for periodic safety review of nuclear power plants - Part 15: Organization and administration) NB
    China Energy industry Standards
  • NB/T 20473-2017
  • (Design criteria for compressed air start - up system for emergency diesel generator in nuclear power plant) NB
    China Energy industry Standards
  • NB/T 20452-2017
  • (Technical specification for safety management of nuclear power engineering) NB
    China Energy industry Standards
  • NB/T 20453-2017
  • (Technical specification for installation of main coolant pipe for non - dynamic pressure water reactor nuclear power plant) NB
    China Energy industry Standards
  • NB/T 20449-2017
  • (Design Criteria for Fuel System of Emergency Diesel Generating Set in Nuclear Power Plant) NB
    China Energy industry Standards
  • NB/T 20442.5-2017
  • (Guidelines for periodic safety review of nuclear power plants - Part 5: Probabilistic safety analysis) NB
    China Energy industry Standards
  • NB/T 20430-2017
  • (Technical Specification for Installation of Reactor Heap Structure in Non - dynamic Pressure Water Heater Nuclear Power Plant) NB
    China Energy industry Standards
  • NB/T 20442.14-2017
  • (Guidelines for periodic safety review of nuclear power plants - Part 14: Disaster analysis) NB
    China Energy industry Standards
  • NB/T 51066-2017
  • (Code for inspection of coal industry construction project) NB
    China Energy industry Standards
  • NB/T 35096-2017
  • (Standard for independent assessment of resettlement of hydropower projects) NB
    China Energy industry Standards
  • NB/T 35095-2017
  • (Hydrological Calculation Code for Small Watershed of Hydropower Project) NB
    China Energy industry Standards
  • NB/T 14020.1-2017
  • (Shale gas tooling equipment - Part 1: Composite bridge plugs) NB
    China Energy industry Standards
  • NB/T 51071-2017
  • (Monitoring technology and method of coal paste filling) NB
    China Energy industry Standards
  • NB/T 47018.3-2017
  • (Equipment for welding equipment for pressure equipment - Technical conditions for ordering - Part 3: Gas protection) NB
    China Energy industry Standards
  • NB/T 51070-2017
  • (Test method for coal paste filling material) NB
    China Energy industry Standards
  • NB/T 51069-2017
  • (Test Method for Thermal Safety of Polymeric Materials for Coal and Rock Reinforcement in Coal and Rock) NB
    China Energy industry Standards
  • NB/T 14023-2017
  • (Determination of Long - term Diversion Capability of Shale Prolayer Filling Layer) NB
    China Energy industry Standards
  • NB/T 14003.3-2017
  • (Shale gas fracturing fluid Part 3: Continuous mixing fracturing fluid performance index and evaluation method) NB
    China Energy industry Standards
  • NB/T 14026-2017
  • (Technical requirements for geological guidance of shale gas horizontal wells) NB
    China Energy industry Standards
  • NB/T 51067-2017
  • (Technical Specification for Top Coal Recovery in Fully Mechanized Caving Face) NB
    China Energy industry Standards
  • NB/T 47057-2017
  • (Liquefied gas tank container) NB
    China Energy industry Standards
  • NB/T 47018.2-2017
  • (Specification for welding materials for pressure - bearing equipment - Part 2: Steel electrodes) NB
    China Energy industry Standards

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