NB/T 20007.25-2021 Active Industry standards-Energy

NB/T 20007.25-2021 Pressurized water reactor nuclear power plant stainless steel for piping and equipment Part 25: Non-pressure cast inner parts of austenitic-ferritic stainless steel grades A, B, and C for use in pumps

NB/T 20007.25-2021 Pressurized water reactor nuclear power plant stainless steel for piping and equipment Part 25: Non-pressure cast inner parts of austenitic-ferritic stainless steel grades A, B, and C for use in pumps

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 20007.25-2021

Standard Type: Industry standards

Standard Status: Active

is_force_gb: no

CCS Name: Casting

ICS Name: Iron and steel castings

Publish Date: 2021-01-07

Implement Date: 2021-07-01

Pages: 16 pages

Scope

This document specifies the requirements for the manufacture, chemical composition, mechanical properties, non-destructive testing, removal and repair of defective parts, dimensions, and appearance of non-pressure-bearing castings made of austenitic-ferritic stainless steel (A, B, and C grades) used in pump systems of pressurized water reactors. This document applies to non-pressure-bearing castings made of austenitic-ferritic stainless steel (ZG04Cr20Ni9) used in pump systems of pressurized water reactors, including A-grade (including A1 and A2), B-grade (including B1 and B2), and C-grade products.

Development Information

Pages: 16 pages

Same series standard

NB/T 20007.1-2021 Pressurized water reactor nuclear power plant grade stainless steel forged parts of austenitic stainless steel grades 1, 2, and 3 NB/T 20007.2-2021 Pressurized water reactor nuclear power plant stainless steel - Part 2: Austenitic stainless steel forged parts used in heat exchanger tube plates of grades 2 and 3 NB/T 20007.3-2021 NB/T 20007.3-2021 Pressurized Water Reactor Nuclear Power Plant - Part 3: Austenitic Stainless Steel Forgings for Core Support Plates and Upper Support Plates NB/T 20007.5-2021 Pressurized water reactor nuclear power plant stainless steel - Part 5: Grade 1, 2, and 3 austenitic stainless steel sheets NB/T 20007.14-2021 Pressurized water reactor nuclear power plant stainless steel - Part 14: forged and rolled bars of austenitic stainless steels grades 1, 2, and 3 NB/T 20007.16-2021 Pressurized water reactor nuclear power plant stainless steel - Part 16: Martensitic stainless steel forged parts of grades 2 and 3 NB/T 20007.17-2021 NB/T 20007.17-2021 Pressurized Water Reactor (PPR) nuclear power plant stainless steel - Part 17: Martensitic stainless steel for clamping springs of internals support components NB/T 20007.19-2021 Pressurized water reactor nuclear power plant stainless steel, Part 19: Pressurized castings of martensitic stainless steel for grades 1, 2, and 3 NB/T 20007.23-2021 Pressurized water reactor nuclear power plant stainless steel - Part 23: Pressurized castings of Austenitic-Ferritic stainless steel grades 1, 2, and 3 for pressure vessel components

Replace the following standards

NB/T 20007.25-2013 Pressurized water reactor nuclear power plant stainless steel - Part 25: Non-molybdenum chromium-nickel austenitic-ferritic stainless steel for pump non-fused cast internal components of classes A, B, and C. (English translation)

Related Standards

GB/T 3180-1982 Abolished

GB/T 3180-1982 Specification for medium manganese wear-resistant spheroidal iron castings

Publish Date: 1982-09-01

GB/T 4308-1984 abolished_transferred

GB/T 4308-1984 Cermet hot extrusion die blank

Publish Date: 1984-03-27

GB/T 5615-1985 Abolished

GB/T 5615-1985 The designations, definitions and symbols for heat treatment tempers of steel castings

Publish Date: 1985-11-25

GB/T 6967-1986 Replaced

GB/T 6967-1986 Medium and high strength stainless steel castings for engineering structure purposes

Publish Date: 1986-11-01

GB/T 7659-1987 Replaced

GB/T 7659-1987 Carbon steel castings suitable for welded structure

Publish Date: 1987-04-17

GB/T 8491-1987 Replaced

GB/T 8491-1987 Corrosion resistant high silicon iron castings

Publish Date: 1987-12-28