NB/T 20450.3-2017
Another Specification for Welding of Nuclear Island Mechanical Equipment in Pressurized Water Reactor Nuclear Power Plants Part 3: Welding Process Qualification (English Version)

Standard No.

NB/T 20450.3-2017

Language

Chinese, Available in English version

Release Date

2017

Published By

国家能源局

Status

Be replaced 2022-03

Replace By

NB/T 20002.3-2021

Latest

NB/T 20002.3-2021

NB/T 20450.3-2017 history

• 2021 NB/T 20002.3-2021 Welding code for nuclear island machinery and equipment of pressurized water reactor nuclear power plant Part 3: Welding procedure qualification
• 2017 NB/T 20450.3-2017 Another Specification for Welding of Nuclear Island Mechanical Equipment in Pressurized Water Reactor Nuclear Power Plants Part 3: Welding Process Qualification