Standard Number: NB/T 20005.7-2017(NB/T20005.7-2017)
Chinese:压水堆核电厂用碳钢和低合金钢 第7部分：1、2、3级钢板
English:Carbon and low alloy steels for pressurized water reactor nuclear power plants Part 7: Grade 1, 2 and 3 plates
Effective Date:2017-10-01
Standard Applicability:This part specifies the requirements for the manufacture, inspection and acceptance of carbon and low alloy steel plates of Q235HR, Q265HR, Q295HR and Q355HR for pressurized water reactor nuclear power plants of grade 1, 2 and 3. This part applies to pressurized water reactor nuclear power plant with a nominal thickness of not more than 250mm 1, 2, 3 Q235HR, Q265HR, Q295HR and Q355HR carbon steel and low alloy steel plate.
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