Standard Number: NB/T 20450.1-2017(NB/T20450.1-2017)
Chinese:压水堆核电厂核岛机械设备焊接另一规范 第1部分：通用要求
English:Further specification for welding of mechanical equipment for nuclear islands in pressurized water reactor nuclear power plants Part 1: General requirements
Effective Date:2017-10-01
Standard Applicability:This part specifies the pressurized water reactor nuclear power plant nuclear island machinery and equipment welding general requirements. Including general provisions, personnel, production equipment, marking and traceability, specimens, assessment of joints and products welded to see the preservation of documents and other requirements. This part applies to pressurized water reactor nuclear power plant nuclear island machinery and equipment, carbon steel, low alloy steel, austenitic stainless steel, nickel-based alloys, such as welding and cladding.
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