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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 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 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 51070-2017
  • (Test method for coal paste filling material) 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 35094-2017
  • (Code for calculation of water temperature for hydropower projects) NB
    China Energy industry Standards
  • NB/T 35093-2017
  • (Code for calculation of backwater for reservoir of hydropower project) NB
    China Energy industry Standards
  • NB/T 47018.1-2017
  • (Equipment for welding equipment for pressure equipment - Technical requirements - Part 1: General terms of procurement...) NB
    China Energy industry Standards
  • NB/T 14025-2017
  • (Shale gas well test technology specification) NB
    China Energy industry Standards
  • NB/T 47008-2017
  • (Carbon steel and alloy steel forgings for pressure equipment) NB
    China Energy industry Standards
  • NB/T 47056-2017
  • (Test Method for Metallic and Fracture of Welded Joints of Boiler Compression Elements) NB
    China Energy industry Standards
  • NB/T 31107-2017
  • Guide for type selection of wind turbine generator system for low wind speed NB
    China Energy industry Standards
  • NB/T 34039-2017
  • (Proportion of Research Report on Feasibility Study of Biomass Molding Fuel Heating Project) NB
    China Energy industry Standards
  • NB/T 47018.5-2017
  • (Equipment for welding equipment for pressure equipment - Technical conditions for ordering - Part 5:) NB
    China Energy industry Standards
  • NB/T 14024-2017
  • (Technical specification for prediction of shale gas well production) NB
    China Energy industry Standards
  • NB/T 47010-2017
  • (Stainless steel and heat-resistant steel forgings for pressure equipment) NB
    China Energy industry Standards
  • NB/T 14022-2017
  • (Shale water sensitivity evaluation recommended practice) NB
    China Energy industry Standards
  • NB/T 47055-2017
  • (General technical conditions for boiler coating and packaging) NB
    China Energy industry Standards
  • NB/T 47009-2017
  • (Alloy steel forgings for low temperature pressure equipment) NB
    China Energy industry Standards
  • NB/T 51068-2017
  • (Analysis of Rotary Iron Spectrum Method for Gear Analysis of Equipment) NB
    China Energy industry 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 25069-2017
  • (Technical requirements for inverters of conventional islands and auxiliary facilities for pressurized water reactor 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 20396-2017
  • (Code for Construction of Steel Structures Related to Nuclear Safety in PWR Nuclear Power Plant) 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 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 20418-2017
  • (Nuclear electronic document metadata) 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
  • NB/T 20405-2017
  • (Code for general contract management of nuclear power construction project) 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 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 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 25076-2017
  • (Technical Requirements for All - Insulated Medium - Pressure Pouring Busbar for Conventional Island of PWR Nuclear Power Plant) 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 25066-2017
  • (Management requirements for non - nuclear grade equipment for nuclear power plants) 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 20397-2017
  • (Technical specification for prefabrication and installation of nuclear island suspension of PWR nuclear power plant) 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 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 25072-2017
  • (Specification for conventional island and BOP coating for nuclear power plants) 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 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 20417-2017
  • (Fire protection valves for ventilation and exhaust systems in nuclear power plants) 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 20422-2017
  • (Identification of Passive Hydrogen Composites in PWR Nuclear Power Plant) NB
    China Energy industry Standards
  • NB/T 25073-2017
  • (Guidance on Safety Acceptance of Explosion Protection for Hydrogen Cooling System of Hydrogen - cooled Generator) 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 20420-2017
  • (Identification of Safety Grade Cable and Joint in Nuclear Power Plant) NB
    China Energy industry Standards
  • NB/T 20411-2017
  • (Technical specification for design of embedding part of nuclear safety related structure) NB
    China Energy industry Standards
  • NB/T 20415-2017
  • (Technical specification for secondary design of steel structure in nuclear power plant) NB
    China Energy industry Standards
  • NB/T 20005.35-2017
  • (Carbon steel and low alloy steels for PWR nuclear power plants - Part 35: Carbon steel pipes for control rod drive mechanisms) 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 20425-2017
  • (Development Method of Water Buried Probability Safety Evaluation in 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 20424-2017
  • (Nuclear power plant limit plate setting requirements) NB
    China Energy industry Standards
  • NB/T 20401-2017
  • (Requirements for preliminary design of nuclear power plant) 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 20421.1-2017
  • (Nuclear power plants - Safety critical cable monitoring methods - Part 1: General) 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
  • NB/T 20006.38-2017
  • (Hydraulic steel alloys for pressurized water reactors - Part 38: 19MnNiMo forgings for core fillers) NB
    China Energy industry Standards
  • NB/T 20005.36-2017
  • (Carbon steel and low alloy steels for PWR nuclear power plants - Part 36: 24Mn steel rods for steam generators) NB
    China Energy industry Standards
  • NB/T 20395-2017
  • (Main control room may be residency design requirements) NB
    China Energy industry Standards
  • NB/T 25074-2017
  • (Technical Requirements for Concrete Spiral Case Circulating Water Pump Impeller in Nuclear Power Plant) NB
    China Energy industry Standards
  • NB/T 20006.37-2017
  • (Steel alloys for PWR nuclear power plants - Part 37: Reactor pressure vessels Non-core areas with 19MnNiMo forgings) NB
    China Energy industry Standards
  • NB/T 20008.27-2017
  • (Other materials for PWR nuclear power plants - Part 27: ZCoCr29W4.5 castings for control rod drive mechanisms) NB
    China Energy industry Standards
  • NB/T 20409-2017
  • (Guidance on maintenance of nuclear power in nuclear power plant) NB
    China Energy industry Standards
  • NB/T 25068-2017
  • (Technical conditions for hydrogen - oil - water system of generator in nuclear power plant) NB
    China Energy industry Standards
  • NB/T 25070-2017
  • (Nuclear power turbine blade steel) NB
    China Energy industry Standards
  • NB/T 20404-2017
  • (Transient Analysis of Pressure and Temperature of Containment in PWR Nuclear Power Plant) NB
    China Energy industry Standards
  • NB/T 25067-2017
  • (Nuclear Power Plant Turbine Generator Instrument and Control Technical Condition) NB
    China Energy industry Standards
  • NB/T 20403-2017
  • (Transient Analysis of Pressure and Temperature in PWR Nuclear Power Plant) NB
    China Energy industry Standards
  • NB/T 20007.47-2017
  • (Stainless steel for PWR nuclear power plants - Part 47: 06Cr13Al stainless steel flat steel for steam generators) NB
    China Energy industry Standards
  • NB/T 20008.29-2017
  • (Other materials for pressurized water reactor nuclear power plants - Part 29: NS3105 alloy sheet and strip for safety equipment) NB
    China Energy industry Standards
  • NB/T 20406-2017
  • (Enclosure isolation device for fluid system of pressurized water reactor nuclear power plant) NB
    China Energy industry Standards
  • NB/T 20402-2017
  • (PWR Safety Important Fluid System Single Failure Criteria) NB
    China Energy industry Standards
  • NB/T 25077-2017
  • (Nuclear power plant vacuum pump selection technical requirements) NB
    China Energy industry Standards
  • NB/T 20008.31-2017
  • (Other materials for PWR nuclear power plants - Part 31: NS3105 alloy rods for safety equipment) NB
    China Energy industry Standards
  • NB/T 20008.30-2017
  • (Other materials for PWR nuclear power plants - Part 30: NS3105 alloy tubes for safety equipment) NB
    China Energy industry Standards
  • NB/T 20007.46-2017
  • (Stainless steel for PWR nuclear power plants - Part 46: Stainless steel plates for 06Cr13Al for steam generators) NB
    China Energy industry Standards
  • NB/T 20007.45-2017
  • (Stainless steel for pressurized water reactor nuclear power plants - Part 45: Compressed elastic rings with 04Cr13Ni5Mo martensitic stainless steel forgings) NB
    China Energy industry Standards
  • NB/T 20008.28-2017
  • (Other materials for PWR nuclear power plants - Part 28: NS3105 alloy forgings for safety equipment) NB
    China Energy industry Standards
  • NB/T 20008.26-2017
  • (Other materials for PWR nuclear power plants - Part 26: Ductile iron pieces for control rod drive mechanisms) NB
    China Energy industry Standards
  • NB/T 20410-2017
  • (Technical specification for fiber reinforced concrete for nuclear power engineering) NB
    China Energy industry Standards
  • NB/T 20419-2017
  • (Design criteria for containment system for containment of PWR nuclear power plant) 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 42107-2017
  • (High Voltage DC Circuit Breaker) NB
    China Energy industry Standards
  • NB/T 51076-2017
  • (Construction of Special Sinking Works for Coal Construction) 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 51075-2017
  • (Calculation Index of Coal Construction Ground Construction Project) NB
    China Energy industry Standards
  • NB/T 42119.1-2017
  • (Smart Grid Client - Side Energy Management Systems - Part 1: Technical Guidelines) 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 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 14002.2-2017
  • (Shale gas reservoirs - Part 2: Technical specifications for factory fracturing operations.) 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 34050-2017
  • (Commercial or industrial and similar use air source heat pump hot water machine year comprehensive energy efficiency test method) 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 34044-2017
  • (Technical specification for solar thermal utilization engineering of seasonal heat storage) NB
    China Energy industry Standards
  • NB/T 31111-2017
  • (High voltage crossing test procedure for wind turbine) NB
    China Energy industry Standards

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