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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
  • NB/T 42107-2017
  • (High Voltage DC Circuit Breaker) Nb
    China Energy industry Standards
  • NB/T 20412-2017
  • (Technical specification for assembly and acceptance of structural modules for pressurized water reactor nuclear power plant) Nb
    China Energy industry Standards
  • GB/T 34544-2017
  • Safety test methods for oNboard low pressure hydrogen storage devices for small fuel cell vehicles Nb
    China National Standards
  • NB/T 25071-2017
  • (Guidelines for Corrosion Management in Construction Stage of Conventional Island and BOP Machinery and Equipment for Nuclear Power Plants) Nb
    China Energy industry Standards
  • NB/T 20009.30-2017
  • (Welding materials for PWR nuclear power plants - Part 30: Safety grade 1 equipment - Low alloy steel welding wire and flux for submerged arc welding) Nb
    China Energy industry Standards
  • NB/T 20413-2017
  • (Technical specification for installation and acceptance of structural module of PWR nuclear power plant) 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 20396-2017
  • (Code for Construction of Steel Structures Related to Nuclear Safety in PWR Nuclear Power Plant) 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 20037.10-2017
  • (First-level probabilistic safety assessment for nuclear power plants - Part 10: Evaluation of seismic runoff margin) Nb
    China Energy industry Standards
  • NB/T 20421.4-2017
  • (Nuclear power plants - Safety critical cable monitoring methods - Part 4: Oxidation induction technology) 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 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 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 20416-2017
  • (Design and manufacture of nuclear - grade metal bellows expansion joint for pressurized water reactor nuclear power plant) Nb
    China Energy industry Standards
  • NB/T 20009.31-2017
  • (Welding materials for PWR nuclear power plants - Part 31: Safety grade equipment - Welds and fluxes for stainless steel surfacing) Nb
    China Energy industry Standards
  • NB/T 42108-2017
  • (Terminals for connection of low voltage circuits for household and similar use) 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 31111-2017
  • (High voltage crossing test procedure for wind turbine) Nb
    China Energy industry 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
  • NB/T 35096-2017
  • (Standard for independent assessment of resettlement of hydropower projects) Nb
    China Energy industry Standards
  • NB/T 41008-2017
  • (Technical evaluation of power supply for AC electric arc furnace power quality) 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 20399-2017
  • (Code for construction and quality acceptance of concrete structures related to nuclear safety in PWR nuclear power plants) Nb
    China Energy industry Standards
  • NB/T 20418-2017
  • (Nuclear electronic document metadata) Nb
    China Energy industry Standards
  • NB/T 34044-2017
  • (Technical specification for solar thermal utilization engineering of seasonal heat storage) Nb
    China Energy industry Standards
  • NB/T 20009.34-2017
  • (Welding materials for PWR nuclear power plants - Part 34: Safety grade equipment - Nickel-based alloy surfacing welding consumables and fluxes) Nb
    China Energy industry Standards
  • NB/T 34049-2017
  • (Code for construction, supervision and acceptance of solar hot water works) Nb
    China Energy industry Standards
  • NB/T 20005.37-2017
  • (Carbon steel and low alloy steels for PWR nuclear power plants - Part 37: 17Mn forging for steam generators) Nb
    China Energy industry Standards
  • NB/T 20422-2017
  • (Identification of Passive Hydrogen Composites in PWR Nuclear Power Plant) Nb
    China Energy industry Standards
  • NB/T 20009.23-2017
  • (Welding materials for PWR nuclear power plants - Part 23: Stainless steel manual arc welding electrodes for safety grade equipment) Nb
    China Energy industry Standards
  • NB/T 14002.2-2017
  • (Shale gas reservoirs - Part 2: Technical specifications for factory fracturing operations.) 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 35095-2017
  • (Hydrological Calculation Code for Small Watershed of Hydropower Project) 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 34057.5-2017
  • (Determination of chemical composition of lignocellulosic biomass raw materials - Part 5: Determination of cellulose, hemicellulose, pectin and lignin) 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 34057.6-2017
  • (Determination of chemical composition of lignocellulosic biomass raw materials - Part 6: Determination of ash content) Nb
    China Energy industry Standards
  • NB/T 31110-2017
  • (Technical specification for active power regulation and control of wind farm) Nb
    China Energy industry Standards
  • NB/T 25075-2017
  • (Code for construction and acceptance of power transformers, oil - immersed reactors, transformers for nuclear power plants) Nb
    China Energy industry Standards
  • NB/T 34040-2017
  • (Technical conditions for small biomass hot air stove) Nb
    China Energy industry Standards
  • NB/T 34041-2017
  • (Test method for small biomass hot air stove) Nb
    China Energy industry Standards
  • NB/T 20407-2017
  • (Code for design and manufacture of components in pressurized water reactor reactor) Nb
    China Energy industry Standards
  • NB/T 20400-2017
  • (Technical Specification for Stainless Steel Components in Reactor Heap Pool and Spent Fuel Pool in PWR Nuclear Power Plant) Nb
    China Energy industry Standards
  • NB/T 51073-2017
  • (Coal Mine Construction Roadway Project Direct Fees Estimation Quota) 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 51076-2017
  • (Construction of Special Sinking Works for Coal Construction) Nb
    China Energy industry Standards
  • NB/T 34043-2017
  • (Solar hot water engineering stainless steel atmospheric pressure storage tank) 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 20447-2017
  • (Overpressure protection of low pressure systems connected to the reactor coolant pressure boundary) Nb
    China Energy industry Standards
  • NB/T 20423-2017
  • (Technical Guidelines for Commissioning of Mobile Emergency Diesel Generating Sets in Nuclear Power Plants) 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 20420-2017
  • (Identification of Safety Grade Cable and Joint in Nuclear Power Plant) 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
  • NB/T 47057-2017
  • (Liquefied gas tank container) 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 20474-2017
  • (Code for design of gas control system for nuclear power plants) Nb
    China Energy industry Standards
  • NB/T 51071-2017
  • (Monitoring technology and method of coal paste filling) 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 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 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 20462-2017
  • (Thermal analysis of dry storage facilities for spent fuel in pressurized water reactor) Nb
    China Energy industry Standards
  • NB/T 31109-2017
  • (Code for the exchange of information on operation of wind farm) Nb
    China Energy industry Standards
  • NB/T 20408-2017
  • (Requirements for packaging, transportation, handling, receiving, storage and maintenance of nuclear power plant items) Nb
    China Energy industry Standards
  • NB/T 20398-2017
  • (Code for Construction and Acceptance of Internal Structure of Reactor Plant in PWR Nuclear Power Plant) 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 20405-2017
  • (Code for general contract management of nuclear power construction project) 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 34052-2017
  • (Mining land reclamation area should be able to divide the inspection standards for non - grain land) Nb
    China Energy industry Standards
  • NB/T 20009.27-2017
  • (Welding materials for PWR nuclear power plants - Part 27: Stainless steel wire for safety grade equipment) 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 20445.1-2017
  • (Two - stage probabilistic safety assessment for nuclear power plants - Part 1: General requirements) 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 35092-2017
  • (Code for design of temperature control of concrete dams) Nb
    China Energy industry Standards
  • NB/T 42112-2017
  • (Pollutant emission limits for reciprocating internal combustion gas generating units) Nb
    China Energy industry Standards
  • NB/T 41007-2017
  • (Design of power supply for AC electric arc furnace) Nb
    China Energy industry Standards
  • NB/T 51066-2017
  • (Code for inspection of coal industry construction project) Nb
    China Energy industry Standards
  • NB/T 31108-2017
  • Specification for preparation of planning reports for offshore wind power projects 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 20421.2-2017
  • (Nuclear power plants - Safety critical cable monitoring methods - Part 2: Indentation modulus) Nb
    China Energy industry Standards
  • NB/T 20417-2017
  • (Fire protection valves for ventilation and exhaust systems in nuclear power plants) 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 51072-2017
  • (Calculation Index of Electromechanical Installation Project of Coal Construction) 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 34047-2017
  • (Code for installation of separate air source heat pump water heater) 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 51075-2017
  • (Calculation Index of Coal Construction Ground Construction Project) 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 20414-2017
  • (Technical specification for post - anchoring of nuclear safety - related concrete structures in nuclear power plants) 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 20429-2017
  • (Requirements for the preparation of nuclear power plant accident handling procedures) 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 20442.8-2017
  • (Guidelines for periodic safety review of nuclear power plants - Part 8: Aging) Nb
    China Energy industry Standards
  • NB/T 20427-2017
  • (Nuclear power plants prevent human error management) Nb
    China Energy industry Standards
  • NB/T 20421.3-2017
  • (Nuclear power plants - Safety critical cable monitoring methods - Part 3: Elongation at break) 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 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 25066-2017
  • (Management requirements for non - nuclear grade equipment for nuclear power plants) 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 20006.36-2017
  • (Hydraulic steel alloys for pressurized water reactors - Part 36: Reactor pressure vessel core area with 19MnNiMo forgings) Nb
    China Energy industry Standards

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