Standards

NB/T 20006.14-2024 Active

NB/T 20006.14-2024 Nuclear steel alloy for pressurized water reactor plants - Part 14: Nickel-chromium-molybdenum steel forged bars for fasteners in reactor pressure vessel and reactor coolant pump components

It is suitable for the main bolts, nuts, and washers of the reactor pressure vessels in pressurized water reactor nuclear power plants, as well as the main bolts and nuts of the reactor coolant pumps, and the screws used for the No. 1 sealing cover shell, made of 40CrNi2MoV and 40CrNi2Mo alloy steel forgings.

Publish Date: 2024-09-24

NB/T 11674-2024 Active

NB/T 11674-2024 NB/T 11674-2024 Hydropower Engineering Fish Passage Operating Regulations

This regulation applies to the operation and management of fish passage facilities in hydropower projects.

Publish Date: 2024-09-24

NB/T 20006.20-2024 Active

NB/T 20006.20-2024 Pressurized water nuclear power plant alloy steel - Part 20: Seamless steel pipes for main steam and feedwater pipes

It is suitable for use in the main steam and main feedwater pipelines of pressurized water reactor nuclear power plants, made of 10CrMo seamless steel pipes.

Publish Date: 2024-09-24

NB/T 11673-2024 Active

NB/T 11673-2024 NB/T 11673-2024 Water and electricity engineering terrestrial wildlife habitat protection design specifications

This standard applies to the design of terrestrial wildlife habitat protection in hydropower projects.

Publish Date: 2024-09-24

NB/T 20006.9-2024 Active

NB/T 20006.9-2024 Pressurized water reactor nuclear power plant alloy steel - Part 9: Manganese-nickel-molybdenum steel forgings for steam generator water chamber head

It is suitable for forged parts made of 20MnNiMo alloy steel used in the water chamber head of steam generators in pressurized water reactor nuclear power plants.

Publish Date: 2024-09-24

NB/T 11672-2024 Active

NB/T 11672-2024 NB/T 11672-2024 Guideline for Economic Evaluation Implementation of Pumping Hybrid Energy Storage Power Station

This guideline is applicable to the economic evaluation analysis, calculation, and report preparation of pumped storage power stations.

Publish Date: 2024-09-24

NB/T 20006.1-2024 Active

NB/T 20006.1-2024 Pressurized water reactor nuclear power plant alloy steel - Part 1: Magnesium-nickel-molybdenum steel forgings for the irradiated reactor pressure vessel shell of the reactor

It is suitable for the reactor pressure vessel shell of pressurized water reactors in nuclear power plants that can withstand strong radiation, made of forged parts of 19MnNiMo alloy steel.

Publish Date: 2024-09-24

NB/T 11671-2024 Active

NB/T 11671-2024 NB/T 11671-2024 Drainage and Holding Pond Design Guidelines for Pumped Storage Power Station

This guideline applies to the sediment design throughout the entire life cycle of planning, design, construction, and operation of pumped storage power stations.

Publish Date: 2024-09-24

NB/T 20005.19-2024 Active

NB/T 20005.19-2024 Pressurized water reactor nuclear power plant - Carbon steel and low alloy steel - Part 19: Forged parts for mechanical penetrations in the containment vessel

It is suitable for 14Mn and 18Mn forgings used in integrated mechanical penetration parts of safety shells.

Publish Date: 2024-09-24

NB/T 11670-2024 Active

NB/T 11670-2024 NB/T 11670-2024 Water and electricity engineering project construction period quota

This standard applies to the determination of the construction period of hydropower engineering projects.

Publish Date: 2024-09-24

NB/T 20005.16-2024 Active

NB/T 20005.16-2024 Pressurized water nuclear power plant - Carbon steel and low alloy steel for pressure vessel components - Part 16: Bends for main steam pipes

The 14Mn elbows are suitable for use in the main steam pipelines of pressurized water reactor nuclear power plants.

Publish Date: 2024-09-24

NB/T 11669-2024 Active

NB/T 11669-2024 NB/T 11669-2024 Underwater Repair and Restoration Technology Specification for Hydraulic Structures

This specification is applicable to the underwater repair of hydraulic structures.

Publish Date: 2024-09-24