NB/T 20010.2-2010PWR Nuclear Power Plant Valve - Part 2: Specification of Carbon Steel Casting (English PDF)

NB/T 20010.2-2010 is the English-translated version of 压水堆核电厂阀门 第2部分：碳素钢铸件技术条件.

NB/T 20010.2-2010 is a recommended energy industry standard of China dealing with carbon steel castings for pressurized water reactor nuclear power plant valves.

Part 2 of the NB/T 20010 series, it lays down the technical requirements for the pressure-retaining carbon steel castings used in safety-related valves. Its scope takes in castings for class 2 and class 3 PWR valves, such as bodies, bonnets and discs.

Verification of composition and properties leans on the cited GB/T 223 series, GB/T 228-2002, GB/T 229-2007, GB/T 6414, GB/T 20066, JB/T 7927, NB/T 20003, NB/T 20010.9 and the ASTM standards E94, E165, E186, E280 and E709.

The standard supersedes EJ/T 1022.2-1996. Issued on 1 May 2010, it has applied since 1 October 2010.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

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