NB/T 20006.4-2021 Active Industry standards-Energy

NB/T 20006.4-2021 Pressurized water reactor nuclear power plant alloy steel - Part 4: Magnesium-nickel-molybdenum steel forgings for the reactor pressure vessel stubs of the pressure vessel neck. (Note: This is a translation of the Chinese text.)

Publish Date: 2021-01-07 Implement Date: 2021-07-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: NB/T 20006.4-2021

Standard Type: Industry standards

Standard Status: Active

is_force_gb: no

CCS Name: Steel ingots and steel billets

ICS Name: \nSteel forgings

Publish Date: 2021-01-07

Implement Date: 2021-07-01

Pages: 14 pages

Scope

This document specifies the technical requirements for the manufacture, testing, inspection, and acceptance of manganese-nickel-molybdenum alloy steel forgings used for the reactor pressure vessel headers of pressurized water reactor nuclear power plants. This document applies to 16MnNiMo alloy steel forgings used for the reactor pressure vessel headers of pressurized water reactor nuclear power plants.

Development Information

Pages: 14 pages

Same series standard

NB/T 20006.1-2021 Nuclear alloy steel for pressurized water reactor power plants - Part 1: Manganese-nickel-molybdenum steel forged components used in the reactor pressure vessel that withstands intense radiation NB/T 20006.2-2021 Nuclear alloy steel for pressurized water reactor plants - Part 2: Magnesium-nickel-molybdenum steel forgings for the reactor pressure vessel components not exposed to intense radiation NB/T 20006.3-2021 Nuclear reactor pressure vessel alloy steel for pressurized water reactors - Part 3: Ferritic-martensitic-molybdenum steel forgings for transition section and flange of reactor pressure vessel NB/T 20006.5-2021 Pressurized water reactor nuclear power plant alloy steel - Part 5: Manganese-nickel-molybdenum steel forgings for reactor pressure vessel head NB/T 20006.10-2021 Pressurized water reactor nuclear power plant alloy steel - Part 10: Magnesium-nickel-molybdenum steel forgings for pressure vessel and steam generator pipes and orifices NB/T 20006.11-2021 Nuclear alloy steel for pressurized water reactor plant - Part 11: Blast furnace steel forgings for pressure vessel cylinder and head of the stabilizer NB/T 20006.16-2021 Nuclear steel alloy used in pressurized water reactor nuclear power plants - Part 16: Chromium-molybdenum steel plate for support components in nuclear island equipment NB/T 20006.17-2021 Pumped water nuclear power plant alloy steel - Part 17: Molybdenum steel for pressure vessel flange and tube joint of the reactor pressure vessel, for forging parts

Replace the following standards

NB/T 20006.4-2011 Piling alloy steel for nuclear power plant, Part 4: Molybdenum-nickel-manganese steel forged parts used for the neck of the reactor pressure vessel attachment

Related Standards

GB/T 13320-2007 Active

GB/T 13320-2007 Metellographic grading atlas and assessing method for steel die forgings

Publish Date: 2007-04-18

GB/T 20911-2007 Active

GB/T 20911-2007 Semi finished products for forging—Tolerances on dimensions shape and mass

Publish Date: 2007-04-18

GB/T 21469-2008 Active

GB/T 21469-2008 Machining allowances and tolerances for steel open die forgings on hammer—General requirement

Publish Date: 2008-02-28

GB/T 21470-2008 Active

GB/T 21470-2008 Machining allowances and tolerances for steel open die forgings on hammer—Disks,columns,rings and seamless cylindrical sleeves

Publish Date: 2008-02-28

GB/T 21471-2008 Active

GB/T 21471-2008 Machining allowances and tolerances for steel open die forgings on hammer—Shafts

Publish Date: 2008-02-28

GB/T 22131-2008 Replaced

GB/T 22131-2008 Practice for ultrasonic examination from bored surfaces of cylindrical forgings

Publish Date: 2008-06-25